FIAC / Focus Impact Acquisition Corp. - Arquivamentos da SEC, Relatório Anual, Declaração de Procuração

Focus Impact Acquisition Corp.
US ˙ OTCPK ˙ US34417L1098
ESTE SÍMBOLO NÃO ESTÁ MAIS ATIVO

Estatísticas Básicas
CIK 1854480
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Focus Impact Acquisition Corp.
SEC Filings (Chronological Order)
Esta página fornece uma lista completa e cronológica de Arquivamentos da SEC, excluindo os arquivamentos de propriedade que fornecemos em outro lugar.
June 4, 2026 425

DevvStream Announces $6 Million Equity Investment from EEME Energy, no additional share issuances expected prior to merger; Gives Notice to Terminate $300 Million Equity Line of Credit $1.5 million already funded; preferred stock structure adds no de

Filed by DevvStream Corp. Pursuant to Rule 425 under the Securities Act of 1933, as amended, and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934, as amended Subject Company: DevvStream Corp. Commission File No.: 001-40977 DevvStream Announces $6 Million Equity Investment from EEME Energy, no additional share issuances expected prior to merger; Gives Notice to Terminat

June 3, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 28, 2026 DEVVSTREAM C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 28, 2026 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or orga

June 3, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 3, 2026 DEVVSTREAM C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 3, 2026 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or orga

May 22, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 20, 2026 DEVVSTREAM C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 20, 2026 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or orga

May 18, 2026 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 12, 2026 DEVVSTREAM C

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May 18, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 12, 2026 DEVVSTREAM C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 12, 2026 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or orga

May 1, 2026 EX-10.1

SECURITIES PURCHASE AGREEMENT

Exhibit 10.1 SECURITIES PURCHASE AGREEMENT This Securities Purchase Agreement (this “Agreement”) is dated as of April 27, 2026, between DevvStream Corp., a corporation incorporated in Alberta, Canada (the “Company”), and the purchaser identified on the signature pages hereto (including its successors and assigns, “Purchaser”). WHEREAS, subject to the terms and conditions set forth in this Agreemen

May 1, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 27, 2026 DEVVSTREAM

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 27, 2026 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or or

May 1, 2026 EX-4.1

CONFIDENTIAL PRE-FUNDED COMMON STOCK PURCHASE WARRANT DEVVSTREAM CORP.

Exhibit 4.1 CONFIDENTIAL PRE-FUNDED COMMON STOCK PURCHASE WARRANT DEVVSTREAM CORP. Warrant No.: [PFW-001 — ASSIGN AT ISSUANCE] | Warrant Shares: 250,025 Initial Exercise Date: April 27, 2026 Issue Date: April 27, 2026 This PRE-FUNDED COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, Helena Partners Inc. or its assigns (the “Holder”) is entitled, upon the terms and s

April 14, 2026 EX-10.1

FORM OF COMPANY SUPPORT & LOCK-UP AGREEMENT

Exhibit 10.1 Execution Version FORM OF COMPANY SUPPORT & LOCK-UP AGREEMENT THIS COMPANY SUPPORT & LOCK-UP AGREEMENT (this “Agreement”), dated as of April [•], 2026, is made by and among XCF Global, Inc., a Delaware corporation (the “Company”), DevvStream Corp., an Alberta corporation (“DevvStream”), Southern Energy Renewables Inc., a Louisiana corporation (“Southern”), and the individual or entity

April 14, 2026 424B3

PROSPECTUS SUPPLEMENT NO. 19 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-285728 April 14, 2026 PROSPECTUS SUPPLEMENT NO. 19 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES This prospectus supplement amends the prospectus dated March 12, 2025 (as supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (the “Company”),

April 14, 2026 EX-10.2

SOUTHERN SUPPORT & LOCK-UP AGREEMENT

Exhibit 10.2 Execution Version SOUTHERN SUPPORT & LOCK-UP AGREEMENT THIS SOUTHERN SUPPORT & LOCK-UP AGREEMENT (this “Agreement”), dated as of April [•] 2026, is made by and among, XCF Global, Inc., a Delaware corporation (the “Company”), DevvStream Corp., an Alberta corporation (“DevvStream”), Southern Energy Renewables Inc., a Louisiana corporation (“Southern”), and the individual or entity whose

April 14, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 13, 2026 DEVVSTREAM

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 13, 2026 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or or

April 14, 2026 EX-99.1

XCF Global, Southern Energy Renewables and DevvStream Sign Definitive Business Combination Agreement with Respect to Previously Announced Proposed Three-Party Merger to Create Next-Generation Energy Platform

Exhibit 99.1 XCF Global, Southern Energy Renewables and DevvStream Sign Definitive Business Combination Agreement with Respect to Previously Announced Proposed Three-Party Merger to Create Next-Generation Energy Platform • Creation of a next‑generation energy transition platform: The proposed transaction brings together SAF, green methanol, renewable products, environmental attribute monetization,

April 14, 2026 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 13, 2026 DEVVSTREAM

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 13, 2026 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or or

April 14, 2026 EX-2.1

BUSINESS COMBINATION AGREEMENT by and among XCF Global, Inc. DevvStream Corp., Southern Energy Renewables Inc., DevvStream Merger Sub Inc. Southern Merger Sub Inc. Dated as of April 13, 2026 TABLE OF CONTENTS

Exhibit 2.1 Execution Version BUSINESS COMBINATION AGREEMENT by and among XCF Global, Inc. DevvStream Corp., Southern Energy Renewables Inc., DevvStream Merger Sub Inc. and Southern Merger Sub Inc. Dated as of April 13, 2026 TABLE OF CONTENTS Page ARTICLE I CLOSING 3 1.1 Effective Date and Closing 3 1.2 Exchange of Southern Securities 3 1.3 Exchange of DevvStream Securities 4 1.4 Issuance of Compa

April 14, 2026 EX-10.3

DEVVSTREAM SUPPORT & LOCK-UP AGREEMENT

Exhibit 10.3 Execution Version DEVVSTREAM SUPPORT & LOCK-UP AGREEMENT THIS DEVVSTREAM SUPPORT & LOCK-UP AGREEMENT (this “Agreement”), dated as of April [•], 2026, is made by and among, XCF Global, Inc., a Delaware corporation (the “Company”), DevvStream Corp., an Alberta corporation (“DevvStream”), Southern Energy Renewables Inc., a Louisiana corporation (“Southern”), and the individual or entity

April 10, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 7, 2026 DEVVSTREAM

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 7, 2026 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or org

March 19, 2026 EX-99.1

DevvStream Reduces Debt by Approximately $5.9 Million, Net of an Additional $700,000 Loan to Support the Company’s Working Capital Needs Key partners convert debt to equity at a premium, demonstrating confidence in DevvStream’s long-term value

Exhibit 99.1 DevvStream Reduces Debt by Approximately $5.9 Million, Net of an Additional $700,000 Loan to Support the Company’s Working Capital Needs Key partners convert debt to equity at a premium, demonstrating confidence in DevvStream’s long-term value Calgary, Alberta – March 13, 2026 – DevvStream Corp. (NASDAQ: DEVS) (“DevvStream” or the “Company”), a leading carbon management and environmen

March 19, 2026 EX-10.1

CONVERSION AGREEMENT

Exhibit 10.1 CONVERSION AGREEMENT THIS CONVERSION AGREEMENT (“Agreement”) is made effective as of March 10, 2026 (the “Effective Date”) by and between DevvStream Corp., an Alberta corporation (the “Company”), Focus Impact Partners, LLC, a Delaware limited liability company (“FIP”), and Focus Impact Sponsor, LLC, a Delaware limited liability company (“FIS” and collectively with FIP, “Focus Impact”)

March 19, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 13, 2026 DEVVSTREAM

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 13, 2026 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or or

March 13, 2026 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended January 31, 2026 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to DEVVSTREAM CORP. (Exact name of registrant as specif

February 25, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 23, 2026 DEVVSTR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 23, 2026 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or

January 28, 2026 425

DevvStream, Southern, and Frontline BioEnergy to Advance Biomass-to-Jet Development and Environmental-Asset Monetization

Filed by DevvStream Corp. Pursuant to Rule 425 under the Securities Act of 1933, as amended, and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934, as amended Subject Company: DevvStream Corp. Commission File No.: 001-40977 DevvStream, Southern, and Frontline BioEnergy to Advance Biomass-to-Jet Development and Environmental-Asset Monetization SACRAMENTO, California, Jan

January 26, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 26, 2026 DEVVSTRE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 26, 2026 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or

January 26, 2026 EX-99.1

XCF Global, Southern Energy Renewables and DevvStream Agree to Binding Term Sheet for Three-Party Merger

Exhibit 99.1 XCF Global, Southern Energy Renewables and DevvStream Agree to Binding Term Sheet for Three-Party Merger HOUSTON, Texas and SACRAMENTO, California, January 26, 2026 — XCF Global, Inc. (“XCF”) (Nasdaq: SAFX), a key player in decarbonizing the aviation industry through sustainable aviation fuel (“SAF”), and DevvStream Corp. (Nasdaq: DEVS) (“DevvStream”), a leading carbon management and

January 26, 2026 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 26, 2026 DEVVSTRE

false000185448000018544802026-01-252026-01-25 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

January 26, 2026 EX-10.1

TRANSACTION TERM SHEET January 26, 2026

Exhibit 10.1 TRANSACTION TERM SHEET January 26, 2026 This term sheet (this “Term Sheet”) sets forth the principal terms and conditions upon which the parties would pursue the Transaction, as defined and described in detail below. The terms reflected herein are based on certain assumptions made by the parties that are subject to, among other things, the validation of such assumptions, the completio

January 23, 2026 425

DevvStream Corp.

DevvStream Corp. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: DevvStream Corp. Commission File No. 001-40977 On January 22, 2026, DevvStream Corp. (“DevvStream”), delivered a presentation at the Emerging Growth Conference which included an overview of the transactions contemplated by the Ag

January 2, 2026 424B3

PROSPECTUS SUPPLEMENT NO. 18 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-285728 January 2, 2026 PROSPECTUS SUPPLEMENT NO. 18 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES This prospectus supplement amends the prospectus dated March 12, 2025 (as supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (the “Company”)

January 2, 2026 424B3

PROSPECTUS SUPPLEMENT NO. 16 DEVVSTREAM CORP. UP TO 26,419,091 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-286070 January 2, 2026 PROSPECTUS SUPPLEMENT NO. 16 DEVVSTREAM CORP. UP TO 26,419,091 COMMON SHARES This prospectus supplement amends the prospectus dated March 25, 2025 (as amended and supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (the

December 31, 2025 425

DevvStream, Southern, IP3, and XCF to Evaluate Development of America-First Nuclear Power, Advanced Fuels, and Digital Environmental Asset Monetization Exploring U.S.-based nuclear power as a strategic enabler for advanced fuels, AI-era infrastructur

DevvStream Corp. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: DevvStream Corp. Commission File No. 001-40977 On December 30, 2025, in connection with the transactions contemplated by the Agreement and Plan of Merger by and among DevvStream Corp. (“DevvStream”), Southern Energy Renewables In

December 30, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 29, 2025 DEVVSTR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 29, 2025 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or

December 29, 2025 425

December 2025 INVESTOR UPDATE Cautionary Note Regarding Forward-Looking Statements This presentation contains “forward-looking” statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Exchange Act that involv

DevvStream Corp. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: DevvStream Corp. Commission File No. 001-40977 On December 29, 2025, DevvStream Corp. (“DevvStream”), delivered a presentation to shareholders at its 2025 Annual Meeting which included an overview of the transactions contemplated

December 23, 2025 425

DevvStream Invites Shareholders to Virtual Annual Meeting Featuring Overview of Proposed Business Combination with Southern Energy Renewables

DevvStream Corp. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: DevvStream Corp. Commission File No. 001-40977 On December 23, 2025, DevvStream Corp. (“DevvStream”), issued a press release inviting shareholders to attend its virtual Annual Meeting which will include an overview of the transac

December 17, 2025 425

DevvStream, Southern Energy, and XCF Global Announce Plan to Pursue Strategic Collaboration to Build Integrated Low-Carbon Fuels Platform and Advance Multi-Pathway SAF Strategy MOU outlines plans for the development of a unified commercial platform c

Filed by DevvStream Corp. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: DevvStream Corp. Commission File No. 001-40977 Date: December 16, 2025 On December 3, 2025, DevvStream Corp., an Alberta corporation (the “Company” or “DevvStream”) entered into an Agreement and Plan of Merger (as may be

December 16, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended October 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to DEVVSTREAM CORP. (Exact name of registrant as specif

December 15, 2025 NT 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form 10-D ☐ Form N-CEN ☐ Form N-CSR For Period Ended: October 31, 2025 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report on Form 10-Q For the Transition Per

December 4, 2025 EX-99.1

Louisiana Community Development Authority Authorizes up to $402 Million in Revenue Bonds for Southern Energy Renewables’ Louisiana Fuel Project Step strengthens Louisiana’s role in U.S. energy leadership and advances project finance process for bioma

Exhibit 99.1 Louisiana Community Development Authority Authorizes up to $402 Million in Revenue Bonds for Southern Energy Renewables’ Louisiana Fuel Project Step strengthens Louisiana’s role in U.S. energy leadership and advances project finance process for biomass‑to‑fuel facility SACRAMENTO, California and NEW ORLEANS, Louisiana, December 4, 2025 — DevvStream Corp. (Nasdaq: DEVS) (“DevvStream”),

December 4, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 4, 2025 DEVVSTRE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 4, 2025 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or

December 4, 2025 EX-99.1

Louisiana Community Development Authority Authorizes up to $402 Million in Revenue Bonds for Southern Energy Renewables’ Louisiana Fuel Project Step strengthens Louisiana’s role in U.S. energy leadership and advances project finance process for bioma

Exhibit 99.1 Louisiana Community Development Authority Authorizes up to $402 Million in Revenue Bonds for Southern Energy Renewables’ Louisiana Fuel Project Step strengthens Louisiana’s role in U.S. energy leadership and advances project finance process for biomass‑to‑fuel facility SACRAMENTO, California and NEW ORLEANS, Louisiana, December 4, 2025 — DevvStream Corp. (Nasdaq: DEVS) (“DevvStream”),

December 4, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 17 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-285728 December 4, 2025 PROSPECTUS SUPPLEMENT NO. 17 6 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES This prospectus supplement amends the prospectus dated March 12, 2025 (as supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (the “Compan

December 4, 2025 EX-99.1

Louisiana Community Development Authority Authorizes up to $402 Million in Revenue Bonds for Southern Energy Renewables’ Louisiana Fuel Project Step strengthens Louisiana’s role in U.S. energy leadership and advances project finance process for bioma

Exhibit 99.1 Louisiana Community Development Authority Authorizes up to $402 Million in Revenue Bonds for Southern Energy Renewables’ Louisiana Fuel Project Step strengthens Louisiana’s role in U.S. energy leadership and advances project finance process for biomass‑to‑fuel facility SACRAMENTO, California and NEW ORLEANS, Louisiana, December 4, 2025 — DevvStream Corp. (Nasdaq: DEVS) (“DevvStream”),

December 4, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 15 DEVVSTREAM CORP. UP TO 26,419,091 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-286070 December 4, 2025 PROSPECTUS SUPPLEMENT NO. 15 DEVVSTREAM CORP. UP TO 26,419,091 COMMON SHARES This prospectus supplement amends the prospectus dated March 25, 2025 (as amended and supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (th

December 3, 2025 EX-10.3

FORM OF COMPANY SUPPORT & LOCK-UP AGREEMENT

Exhibit 10.3 FORM OF COMPANY SUPPORT & LOCK-UP AGREEMENT THIS COMPANY SUPPORT & LOCK-UP AGREEMENT (this “Agreement”), dated as of [ ], 2025, is made by and among DevvStream Corp., an Alberta corporation (the “Company”), Southern Energy Renewables Inc., a Louisiana corporation (“Southern”), and the individual or entity whose name appears in the signature block to this Agreement (the “Core Company S

December 3, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 14 DEVVSTREAM CORP. UP TO 26,419,091 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-286070 December 3, 2025 PROSPECTUS SUPPLEMENT NO. 14 DEVVSTREAM CORP. UP TO 26,419,091 COMMON SHARES This prospectus supplement amends the prospectus dated March 25, 2025 (as amended and supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (th

December 3, 2025 EX-2.1

AGREEMENT AND PLAN OF MERGER by and among DevvStream Corp., Southern Energy Renewables Inc. Sierra Merger Sub, Inc. Dated as of December 3, 2025 TABLE OF CONTENTS

Exhibit 2.1 AGREEMENT AND PLAN OF MERGER by and among DevvStream Corp., Southern Energy Renewables Inc. and Sierra Merger Sub, Inc. Dated as of December 3, 2025 TABLE OF CONTENTS Page ARTICLE I CLOSING 2 1.1 Effective Date and Closing: 2 1.2 Exchange of Southern Securities 2 1.3 Issuance of Post-Domestication Company Common Shares Issuable Pursuant to the Merger 2 1.4 No Fractional Company Common

December 3, 2025 EX-10.1

SECURITIES PURCHASE AGREEMENT

Exhibit 10.1 SECURITIES PURCHASE AGREEMENT This SECURITIES PURCHASE AGREEMENT (the “Agreement”), dated as of December 3, 2025 (the “Effective Date”), is by and between DevvStream Corp., an Alberta corporation (the “Company”), and EEME Energy SPV I LLC, a Wyoming limited liability company (“Buyer”). RECITALS A. The Company, Southern Energy Renewables, Inc., a Louisiana corporation (“Southern”) and

December 3, 2025 424B3

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-285728 December 3, 2025 PROSPECTUS SUPPLEMENT NO. 16 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES This prospectus supplement amends the prospectus dated March 12, 202

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-285728 December 3, 2025 PROSPECTUS SUPPLEMENT NO. 16 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES This prospectus supplement amends the prospectus dated March 12, 2025 (as supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (the “Company”

December 3, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE1 COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 3, 2025 DEVVSTR

UNITED STATES SECURITIES AND EXCHANGE1 COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 3, 2025 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or

December 3, 2025 EX-10.4

SOUTHERN SUPPORT & LOCK-UP AGREEMENT

Exhibit 10.4 SOUTHERN SUPPORT & LOCK-UP AGREEMENT THIS SOUTHERN SUPPORT & LOCK-UP AGREEMENT (this “Agreement”), dated as of December 3, 2025, is made by and among DevvStream Corp., an Alberta corporation (the “Company”), Southern Energy Renewables Inc., a Louisiana corporation (“Southern”), and the individual or entity whose name appears in the signature block to this Agreement (the “Securityholde

December 3, 2025 EX-10.2

REGISTRATION RIGHTS AGREEMENT

Exhibit 10.2 REGISTRATION RIGHTS AGREEMENT THIS REGISTRATION RIGHTS AGREEMENT (this “Agreement”), dated as of December 3, 2025, is entered into by and between DevvStream Corp., an Alberta corporation (the “Company”), and EEME Energy SPV I LLC, a Wyoming limited liability company (“Buyer”). WHEREAS: A. Upon the terms and subject to the conditions of that certain Securities Purchase Agreement by and

December 3, 2025 EX-99.1

DevvStream and Southern Energy Renewables Announce Business Combination Targeting Low-Cost Production of Carbon-Negative SAF and Green Methanol Combination integrates carbon-credit origination expertise with U.S.-produced, lower-cost carbon-negative

Exhibit 99.1 DevvStream and Southern Energy Renewables Announce Business Combination Targeting Low-Cost Production of Carbon-Negative SAF and Green Methanol Combination integrates carbon-credit origination expertise with U.S.-produced, lower-cost carbon-negative fuels to meet growing global demand Southern secures a $402 million bond allocation from the Louisiana Community Development Authority in

November 26, 2025 S-1/A

As filed with the United States Securities and Exchange Commission on November 25, 2025.

TABLE OF CONTENTS As filed with the United States Securities and Exchange Commission on November 25, 2025.

November 24, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 18, 2025 DEVVSTR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 18, 2025 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or

November 24, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 13 DEVVSTREAM CORP. UP TO 26,419,091 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-286070 November 24, 2025 PROSPECTUS SUPPLEMENT NO. 13 DEVVSTREAM CORP. UP TO 26,419,091 COMMON SHARES This prospectus supplement amends the prospectus dated March 25, 2025 (as amended and supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (t

November 24, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 15 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-285728 November 24, 2025 PROSPECTUS SUPPLEMENT NO. 15 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES This prospectus supplement amends the prospectus dated March 12, 2025 (as supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (the “Company

November 19, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 14

TABLE OF CONTENTS Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No.

November 19, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 12

TABLE OF CONTENTS Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No.

November 18, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.)

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A   Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.) Filed by the Registrant ☒ Filed by a party other than the Registrant  ☐ Check the appropriate box:  ☐ Preliminary Proxy Statement  ☐ Confidential, for use of the Commission Only (as permitted by Rul

November 18, 2025 ARS

ARS

2025 Annual Report EXPLANATORY NOTE DevvStream Corp. (the “Company”) is hereby furnishing a copy of its Annual Report on Form 10- K for the fiscal year ended July 31, 2025 (the “2025 Form 10-K”), which was filed with the U.S. Securities and Exchange Commission (the “SEC”) on November 6, 2025, in satisfaction of the requirement to provide its shareholders with an “annual report to security holders”

November 18, 2025 DEFA14A

UNITED STATES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A   Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.) Filed by the Registrant ☒ Filed by a party other than the Registrant  ☐ Check the appropriate box:  ☐ Preliminary Proxy Statement  ☐ Confidential, for use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ D

November 10, 2025 EX-10.33

Amendment to Convertible Promissory Note

Exhibit 10.33 Amendment to Convertible Promissory Note This AMENDMENT TO CONVERTIBLE PROMISSORY NOTE (this “Amendment”) is entered into as of October 27, 2025, by and between DevvStream Corp., an Alberta corporation (the “Maker”), and Helena Global Investment Opportunities 1 Ltd., a Cayman Islands exempted company (the “Holder”). WHEREAS, the Maker issued to the Holder that certain Convertible Pro

November 10, 2025 EX-10.32

First Amendment to Securities Purchase Agreement

Exhibit 10.32 First Amendment to Securities Purchase Agreement This FIRST AMENDMENT TO SECURITIES PURCHASE AGREEMENT (this “Amendment”) is entered into as of October 27, 2025, by and between DevvStream Corp., an Alberta corporation (the “Company”), and Helena Global Investment Opportunities 1 Ltd., a Cayman Islands exempted company (the “Investor”). RECITALS A. The Company and the Investor are par

November 10, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 13 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-285728 November 10, 2025 PROSPECTUS SUPPLEMENT NO. 13 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES This prospectus supplement amends the prospectus dated March 12, 2025 (as supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (the “Company

November 10, 2025 POS EX

As filed with the United States Securities and Exchange Commission on November 7, 2025.

As filed with the United States Securities and Exchange Commission on November 7, 2025.

November 10, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 12 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-285728 November 7, 2025 PROSPECTUS SUPPLEMENT NO. 12 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES This prospectus supplement amends the prospectus dated March 12, 2025 (as supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (the “Company”

November 10, 2025 EX-10.32

First Amendment to Securities Purchase Agreement

Exhibit 10.32 First Amendment to Securities Purchase Agreement This FIRST AMENDMENT TO SECURITIES PURCHASE AGREEMENT (this “Amendment”) is entered into as of October 27, 2025, by and between DevvStream Corp., an Alberta corporation (the “Company”), and Helena Global Investment Opportunities 1 Ltd., a Cayman Islands exempted company (the “Investor”). RECITALS A. The Company and the Investor are par

November 10, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 11 DEVVSTREAM CORP. UP TO 26,419,091 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-286070 November 10, 2025 PROSPECTUS SUPPLEMENT NO. 11 DEVVSTREAM CORP. UP TO 26,419,091 COMMON SHARES This prospectus supplement amends the prospectus dated March 25, 2025 (as amended and supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (t

November 10, 2025 EX-99.97

DEVVSTREAM CORP. COMPENSATION RECOUPMENT POLICY

Exhibit 97 DEVVSTREAM CORP. COMPENSATION RECOUPMENT POLICY In the event of any required accounting restatement of the financial statements of DevvStream Corp. (the “Company”) due to the material noncompliance of the Company with any financial reporting requirement under the applicable U.S. federal securities laws, including any required accounting restatement to correct an error in previously issu

November 10, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 10 DEVVSTREAM CORP. UP TO 26,419,091 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-286070 November 7, 2025 PROSPECTUS SUPPLEMENT NO. 10 DEVVSTREAM CORP. UP TO 26,419,091 COMMON SHARES This prospectus supplement amends the prospectus dated March 25, 2025 (as amended and supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (th

November 10, 2025 POS EX

As filed with the United States Securities and Exchange Commission on November 7, 2025.

As filed with the United States Securities and Exchange Commission on November 7, 2025.

November 10, 2025 EX-10.33

Amendment to Convertible Promissory Note

Exhibit 10.33 Amendment to Convertible Promissory Note This AMENDMENT TO CONVERTIBLE PROMISSORY NOTE (this “Amendment”) is entered into as of October 27, 2025, by and between DevvStream Corp., an Alberta corporation (the “Maker”), and Helena Global Investment Opportunities 1 Ltd., a Cayman Islands exempted company (the “Holder”). WHEREAS, the Maker issued to the Holder that certain Convertible Pro

November 10, 2025 EX-99.97

DEVVSTREAM CORP. COMPENSATION RECOUPMENT POLICY

Exhibit 97 DEVVSTREAM CORP. COMPENSATION RECOUPMENT POLICY In the event of any required accounting restatement of the financial statements of DevvStream Corp. (the “Company”) due to the material noncompliance of the Company with any financial reporting requirement under the applicable U.S. federal securities laws, including any required accounting restatement to correct an error in previously issu

November 7, 2025 DEL AM

2108 N St., Suite 4254 Sacramento, California 95816 November 6, 2025

2108 N St., Suite 4254 Sacramento, California 95816 November 6, 2025 VIA EDGAR United States Securities and Exchange Commission Division of Corporation Finance Office of Real Estate & Construction 100 F Street, N.E. Washington, D.C. 20549-3628 Re: Delaying Amendment for DevvStream Corp. (the “Registrant”) for Registration Statement on Form S-1 (File No. 333-289815) Ladies and Gentlemen: Pursuant t

November 6, 2025 EX-99.1

DevvStream Reports Fiscal Year 2025 Results and Advances Digital-Asset and Tokenization Strategy

Exhibit 99.1 DevvStream Reports Fiscal Year 2025 Results and Advances Digital-Asset and Tokenization Strategy Company strengthens balance sheet, launches disciplined digital-asset treasury, and sets stage for acquisition-led growth in sustainability markets CALGARY, Alberta, November 6, 2025 — DevvStream Corp. (Nasdaq: DEVS) (“DevvStream” or the “Company”), a leading carbon management and environm

November 6, 2025 EX-33

Amendment to Convertible Promissory Note

Exhibit 10.33 Amendment to Convertible Promissory Note This AMENDMENT TO CONVERTIBLE PROMISSORY NOTE (this “Amendment”) is entered into as of October 27, 2025, by and between DevvStream Corp., an Alberta corporation (the “Maker”), and Helena Global Investment Opportunities 1 Ltd., a Cayman Islands exempted company (the “Holder”). WHEREAS, the Maker issued to the Holder that certain Convertible Pro

November 6, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended July 31, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-40977 DEVVSTREAM CORP. (Exact name of

November 6, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 6, 2025 DEVVSTRE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 6, 2025 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or

November 6, 2025 EX-97

DEVVSTREAM CORP. COMPENSATION RECOUPMENT POLICY

Exhibit 97 DEVVSTREAM CORP. COMPENSATION RECOUPMENT POLICY In the event of any required accounting restatement of the financial statements of DevvStream Corp. (the “Company”) due to the material noncompliance of the Company with any financial reporting requirement under the applicable U.S. federal securities laws, including any required accounting restatement to correct an error in previously issu

November 3, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 11 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-285728 November 3, 2025 PROSPECTUS SUPPLEMENT NO. 11 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES This prospectus supplement amends the prospectus dated March 12, 2025 (as supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (the “Company”

November 3, 2025 EX-10.1

Amendment No. 4 to Strategic Partnership Agreement

Exhibit 10.1 Amendment No. 4 to Strategic Partnership Agreement This Amendment No. 4 to Strategic Partnership Agreement (this “Amendment”) is entered into as of October 28, 2025, by and between: Devvio, Inc., a corporation organized under the laws of Delaware, with an address at 6300 Riverside Plaza Lane NW, Suite 100, Albuquerque, New Mexico 87120 (“Devvio”); and DevvStream Corp., a corporation o

November 3, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 9 DEVVSTREAM CORP. UP TO 26,419,091 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-286070 November 3, 2025 PROSPECTUS SUPPLEMENT NO. 9 DEVVSTREAM CORP. UP TO 26,419,091 COMMON SHARES This prospectus supplement amends the prospectus dated March 25, 2025 (as amended and supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (the

November 3, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 28, 2025 DEVVSTRE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 28, 2025 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or

November 3, 2025 EX-10.1

Amendment No. 4 to Strategic Partnership Agreement

Exhibit 10.1 Amendment No. 4 to Strategic Partnership Agreement This Amendment No. 4 to Strategic Partnership Agreement (this “Amendment”) is entered into as of October 28, 2025, by and between: Devvio, Inc., a corporation organized under the laws of Delaware, with an address at 6300 Riverside Plaza Lane NW, Suite 100, Albuquerque, New Mexico 87120 (“Devvio”); and DevvStream Corp., a corporation o

November 3, 2025 EX-10.1

Amendment No. 4 to Strategic Partnership Agreement

Exhibit 10.1 Amendment No. 4 to Strategic Partnership Agreement This Amendment No. 4 to Strategic Partnership Agreement (this “Amendment”) is entered into as of October 28, 2025, by and between: Devvio, Inc., a corporation organized under the laws of Delaware, with an address at 6300 Riverside Plaza Lane NW, Suite 100, Albuquerque, New Mexico 87120 (“Devvio”); and DevvStream Corp., a corporation o

October 29, 2025 NT 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): ☒ Form 10-K ☐ Form 20-F ☐ Form 11-K ☐ Form 10-Q ☐ Form 10-D ☐ Form N-CEN ☐ Form N-CSR For Period Ended: July 31, 2025 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report on Form 10-Q For the Transition Period

October 20, 2025 S-1/A

As filed with the United States Securities and Exchange Commission on October 20, 2025.

TABLE OF CONTENTS As filed with the United States Securities and Exchange Commission on October 20, 2025.

October 1, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 8 DEVVSTREAM CORP. UP TO 26,419,091 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-286070 October 1, 2025 PROSPECTUS SUPPLEMENT NO. 8 DEVVSTREAM CORP. UP TO 26,419,091 COMMON SHARES This prospectus supplement amends the prospectus dated March 25, 2025 (as amended and supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (the

October 1, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 10 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-285728 October 1, 2025 PROSPECTUS SUPPLEMENT NO. 10 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES This prospectus supplement amends the prospectus dated March 12, 2025 (as supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (the “Company”)

October 1, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 26, 2025 DEVVST

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 26, 2025 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation o

September 30, 2025 EX-10.28

Account Control Agreement

Exhibit 10.28 Account Control Agreement This Account Control Agreement (the “Agreement”) is made effective July 18th, 2025 among DevvStream Corp. (the “Pledgor”), Helena Global Investment Opportunities 1 Ltd., in its capacity as agent for the Buyers (as defined below) (in such capacity, together with its successors and assigns in such capacity, the “Secured Party”), BitGo Prime LLC, for the limite

September 30, 2025 EX-10.29

MASTER PURCHASE AGREEMENT

Exhibit 10.29 MASTER PURCHASE AGREEMENT BitGo Prime LLC, a Delaware limited liability company ("BitGo Prime") and DevvStream Inc. ("Counterparty" and "You") (and, together with BitGo Prime, the "Parties" and each a "Party") are entering into this Electronic Trading Agreement ("Agreement"). This Agreement is made as of the later date of the signatures below (the "Effective Date"), that sets forth t

September 30, 2025 S-1/A

As filed with the United States Securities and Exchange Commission on September 30, 2025.

TABLE OF CONTENTS As filed with the United States Securities and Exchange Commission on September 30, 2025.

September 30, 2025 EX-10.31

[Signature Page Follows]

Exhibit 10.31 FRNT Financial 49 Wellington St. E, Toronto, ON, M5E1C9 www.frnt.io Consulting Services Agreement This Consulting Services Agreement (“Agreement”) is made and entered into by and between DevvStream Corp. (the “Client”) and FRNT Financial Inc. (the “Consultant”). The Consultant agrees to provide the services described below to the Client under the terms of this Agreement. 1. Term The

September 30, 2025 EX-10.30

CUSTODIAL SERVICES AGREEMENT

Exhibit 10.30 BITGO CUSTODIAL SERVICES AGREEMENT This BitGo Custodial Services Agreement (this "Agreement") is made as of the Effective Date by and between: DevvStream Inc. ("CLIENT") a Delaware Corporation and Custodian. This Agreement governs Client's use of the Services (as defined below) provided or made available by Custodian to Client. Definitions. Capitalized terms not defined elsewhere in

August 25, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 7 DEVVSTREAM CORP. UP TO 26,419,091 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-286070 August 25, 2025 PROSPECTUS SUPPLEMENT NO. 7 DEVVSTREAM CORP. UP TO 26,419,091 COMMON SHARES This prospectus supplement amends the prospectus dated March 25, 2025 (as amended and supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (the

August 25, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 22, 2025 DEVVSTREA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 22, 2025 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or o

August 25, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 9 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-285728 August 25, 2025 PROSPECTUS SUPPLEMENT NO. 9 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES This prospectus supplement amends the prospectus dated March 12, 2025 (as supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (the “Company”),

August 22, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.)

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.) Filed by the Registrant ☒ Filed by a party other than the Registrant  ☐ Check the appropriate box:  ☐ Preliminary Proxy Statement  ☐ Confidential, for use of the Commission Only (as permitted by Rule

August 22, 2025 EX-FILING FEES

Calculation of Filing Fee Tables Form S-1 (Form Type) DevvStream Corp. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities

Exhibit 107 Calculation of Filing Fee Tables Form S-1 (Form Type) DevvStream Corp.

August 22, 2025 S-1

As filed with the United States Securities and Exchange Commission on August 22, 2025.

TABLE OF CONTENTS As filed with the United States Securities and Exchange Commission on August 22, 2025.

August 21, 2025 EX-10.1

AMENDMENT TO REGISRTATION RIHGTS AGREEMENT

Exhibit 10.1 AMENDMENT TO REGISRTATION RIHGTS AGREEMENT This AMENDMENT TO REGISTRATION RIGHTS AGREEMENT (this “Amendment”), is entered into as of August 18, 2025 (the “Amendment Date”), by and between DevvStream Corp., an Alberta company (the “Company”), and Helena Global Investment Opportunities 1 Ltd., a Cayman Islands exempted company (“Helana”). WHEREAS: WHEREAS, the Company and Helana entered

August 21, 2025 EX-10.1

AMENDMENT TO REGISRTATION RIHGTS AGREEMENT

Exhibit 10.1 AMENDMENT TO REGISRTATION RIHGTS AGREEMENT This AMENDMENT TO REGISTRATION RIGHTS AGREEMENT (this “Amendment”), is entered into as of August 18, 2025 (the “Amendment Date”), by and between DevvStream Corp., an Alberta company (the “Company”), and Helena Global Investment Opportunities 1 Ltd., a Cayman Islands exempted company (“Helana”). WHEREAS: WHEREAS, the Company and Helana entered

August 21, 2025 EX-10.1

AMENDMENT TO REGISRTATION RIHGTS AGREEMENT

Exhibit 10.1 AMENDMENT TO REGISRTATION RIHGTS AGREEMENT This AMENDMENT TO REGISTRATION RIGHTS AGREEMENT (this “Amendment”), is entered into as of August 18, 2025 (the “Amendment Date”), by and between DevvStream Corp., an Alberta company (the “Company”), and Helena Global Investment Opportunities 1 Ltd., a Cayman Islands exempted company (“Helana”). WHEREAS: WHEREAS, the Company and Helana entered

August 21, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 15, 2025 DEVVSTREA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 15, 2025 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or o

August 21, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 6 DEVVSTREAM CORP. UP TO 26,419,091 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-286070 August 21, 2025 PROSPECTUS SUPPLEMENT NO. 6 DEVVSTREAM CORP. UP TO 26,419,091 COMMON SHARES This prospectus supplement amends the prospectus dated March 25, 2025 (as amended and supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (the

August 21, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 8 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-285728 August 21, 2025 PROSPECTUS SUPPLEMENT NO. 8 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES This prospectus supplement amends the prospectus dated March 12, 2025 (as supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (the “Company”),

August 7, 2025 EX-99.1

DevvStream Announces Reverse Stock Split

Exhibit 99.1 DevvStream Announces Reverse Stock Split CALGARY, Alberta, August 6, 2025 — DevvStream Corp. (Nasdaq: DEVS) (the “Company”), a leading carbon management firm specializing in the development, investment, and sale of environmental assets, today announced that its Board of Directors has approved a one-for-ten (1-for-10) reverse stock split (the “Reverse Stock Split”) of the Company’s Com

August 7, 2025 EX-3.1

BUSINESS CORPORATIONS ACT

Exhibit 3.1 BUSINESS CORPORATIONS ACT Alberta ARTICLES OF AMENDMENT 1. Name of Corporation 2. Corporate Access Number DEVVSTREAM CORP. 2026610804 3. THE ARTICLES OF THE ABOVE NAMED CORPORATION ARE AMENDED AS FOLLOWS: (a) Pursuant to Section 173(1)(f) of the Business Corporations Act (Alberta), the issued and outstanding Common Shares in the capital stock of the Corporation are hereby consolidated

August 7, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 6, 2025 DEVVSTREAM

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 6, 2025 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or or

August 7, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 5 DEVVSTREAM CORP. UP TO 26,419,091 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-286070 August 7, 2025 PROSPECTUS SUPPLEMENT NO. 5 DEVVSTREAM CORP. UP TO 26,419,091 COMMON SHARES This prospectus supplement amends the prospectus dated March 25, 2025 (as amended and supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (the “

August 7, 2025 EX-3.1

BUSINESS CORPORATIONS ACT

Exhibit 3.1 BUSINESS CORPORATIONS ACT Alberta ARTICLES OF AMENDMENT 1. Name of Corporation 2. Corporate Access Number DEVVSTREAM CORP. 2026610804 3. THE ARTICLES OF THE ABOVE NAMED CORPORATION ARE AMENDED AS FOLLOWS: (a) Pursuant to Section 173(1)(f) of the Business Corporations Act (Alberta), the issued and outstanding Common Shares in the capital stock of the Corporation are hereby consolidated

August 7, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 7 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-285728 August 7, 2025 PROSPECTUS SUPPLEMENT NO. 7 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES This prospectus supplement amends the prospectus dated March 12, 2025 (as supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (the “Company”),

August 7, 2025 EX-99.1

DevvStream Announces Reverse Stock Split

Exhibit 99.1 DevvStream Announces Reverse Stock Split CALGARY, Alberta, August 6, 2025 — DevvStream Corp. (Nasdaq: DEVS) (the “Company”), a leading carbon management firm specializing in the development, investment, and sale of environmental assets, today announced that its Board of Directors has approved a one-for-ten (1-for-10) reverse stock split (the “Reverse Stock Split”) of the Company’s Com

August 7, 2025 EX-3.1

BUSINESS CORPORATIONS ACT

Exhibit 3.1 BUSINESS CORPORATIONS ACT Alberta ARTICLES OF AMENDMENT 1. Name of Corporation 2. Corporate Access Number DEVVSTREAM CORP. 2026610804 3. THE ARTICLES OF THE ABOVE NAMED CORPORATION ARE AMENDED AS FOLLOWS: (a) Pursuant to Section 173(1)(f) of the Business Corporations Act (Alberta), the issued and outstanding Common Shares in the capital stock of the Corporation are hereby consolidated

August 7, 2025 EX-99.1

DevvStream Announces Reverse Stock Split

Exhibit 99.1 DevvStream Announces Reverse Stock Split CALGARY, Alberta, August 6, 2025 — DevvStream Corp. (Nasdaq: DEVS) (the “Company”), a leading carbon management firm specializing in the development, investment, and sale of environmental assets, today announced that its Board of Directors has approved a one-for-ten (1-for-10) reverse stock split (the “Reverse Stock Split”) of the Company’s Com

August 6, 2025 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.)

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.) Filed by the Registrant ☒ Filed by a party other than the Registrant  ☐ Check the appropriate box: ☒ Preliminary Proxy Statement  ☐ Confidential, for use of the Commission Only (as permitted by Rule 1

August 4, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 4, 2025 DEVVSTREAM

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 4, 2025 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or or

August 4, 2025 EX-10.1

SECOND AMENDMENT TO PURCHASE AGREEMENT

Exhibit 10.1 SECOND AMENDMENT TO PURCHASE AGREEMENT This SECOND AMENDMENT TO PURCHASE AGREEMENT (this “Amendment”), is entered into as of August 4, 2025 (the “Amendment Date”), by and between DevvStream Corp., an Alberta company (formerly known as Focus Impact Acquisition Corp, the “Company”), and Helena Global Investment Opportunities 1 Ltd., a Cayman Islands exempted company (the “Investor”). WH

August 4, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 4 DEVVSTREAM CORP. UP TO 26,419,091 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-286070 August 4, 2025 PROSPECTUS SUPPLEMENT NO. 4 DEVVSTREAM CORP. UP TO 26,419,091 COMMON SHARES This prospectus supplement amends the prospectus dated March 25, 2025 (as amended and supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (the “

August 4, 2025 EX-10.1

SECOND AMENDMENT TO PURCHASE AGREEMENT

Exhibit 10.1 SECOND AMENDMENT TO PURCHASE AGREEMENT This SECOND AMENDMENT TO PURCHASE AGREEMENT (this “Amendment”), is entered into as of August 4, 2025 (the “Amendment Date”), by and between DevvStream Corp., an Alberta company (formerly known as Focus Impact Acquisition Corp, the “Company”), and Helena Global Investment Opportunities 1 Ltd., a Cayman Islands exempted company (the “Investor”). WH

August 4, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 6 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-285728 August 4, 2025 PROSPECTUS SUPPLEMENT NO. 6 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES This prospectus supplement amends the prospectus dated March 12, 2025 (as supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (the “Company”),

August 4, 2025 EX-10.1

SECOND AMENDMENT TO PURCHASE AGREEMENT

Exhibit 10.1 SECOND AMENDMENT TO PURCHASE AGREEMENT This SECOND AMENDMENT TO PURCHASE AGREEMENT (this “Amendment”), is entered into as of August 4, 2025 (the “Amendment Date”), by and between DevvStream Corp., an Alberta company (formerly known as Focus Impact Acquisition Corp, the “Company”), and Helena Global Investment Opportunities 1 Ltd., a Cayman Islands exempted company (the “Investor”). WH

August 1, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 3 DEVVSTREAM CORP. UP TO 26,419,091 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-286070 August 1, 2025 PROSPECTUS SUPPLEMENT NO. 3 DEVVSTREAM CORP. UP TO 26,419,091 COMMON SHARES This prospectus supplement amends the prospectus dated March 25, 2025 (as amended and supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (the “

August 1, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 5 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-285728 August 1, 2025 PROSPECTUS SUPPLEMENT NO. 5 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES This prospectus supplement amends the prospectus dated March 12, 2025 (as supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (the “Company”),

August 1, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 28, 2025 DEVVSTREAM

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 28, 2025 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or org

July 22, 2025 EX-10.1

SECURITIES PURCHASE AGREEMENT

Exhibit 10.1 SECURITIES PURCHASE AGREEMENT This Securities Purchase Agreement (as amended, supplemented, restated and/or modified from time to time, this “Agreement”) is entered into as of July 18, 2025, by and between DEVVSTREAM CORP., a company organized under the laws of Alberta, Canada (the “Company”), and each investor identified on the signature pages hereto (each, including its successors a

July 22, 2025 EX-10.5

REGISTRATION RIGHTS AGREEMENT

Exhibit 10.5 REGISTRATION RIGHTS AGREEMENT This REGISTRATION RIGHTS AGREEMENT (this “Agreement”), dated as of July 18, 2025, is by and among DEVVSTREAM CORP., a company organized under the laws of Alberta, Canada (the “Company”), and each of the investors to the Securities Purchase Agreement (as defined below) (collectively, the “Investors” and, together with the Company, the “Parties” and each, a

July 22, 2025 EX-10.2

DEVVSTREAM CORP. Convertible Promissory Note

Exhibit 10.2 NEITHER THIS NOTE NOR THE SECURITIES INTO WHICH THIS NOTE IS CONVERTIBLE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION

July 22, 2025 EX-10.3

SECURITY AGREEMENT

Exhibit 10.3 SECURITY AGREEMENT This SECURITY AGREEMENT, dated as of July 18, 2025 (this “Agreement”), is among DEVVSTREAM CORP., a company organized under the laws of Alberta, Canada (the “Company”), those Subsidiaries of the Company signatory hereto (such subsidiaries, the “Guarantors” and together with the Company, the “Debtors”) and the holders of the Company’s convertible promissory notes iss

July 22, 2025 EX-10.1

SECURITIES PURCHASE AGREEMENT

Exhibit 10.1 SECURITIES PURCHASE AGREEMENT This Securities Purchase Agreement (as amended, supplemented, restated and/or modified from time to time, this “Agreement”) is entered into as of July 18, 2025, by and between DEVVSTREAM CORP., a company organized under the laws of Alberta, Canada (the “Company”), and each investor identified on the signature pages hereto (each, including its successors a

July 22, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 18, 2025 DEVVSTREAM

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 18, 2025 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or org

July 22, 2025 EX-10.2

DEVVSTREAM CORP. Convertible Promissory Note

Exhibit 10.2 NEITHER THIS NOTE NOR THE SECURITIES INTO WHICH THIS NOTE IS CONVERTIBLE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION

July 22, 2025 EX-99.1

DevvStream Completes $10M Initial Funding to Launch $300M Asset-Backed Digital Infrastructure and Sustainability Strategy

Exhibit 99.1 DevvStream Completes $10M Initial Funding to Launch $300M Asset-Backed Digital Infrastructure and Sustainability Strategy CALGARY, Alberta, July 21, 2025 — DevvStream Corp. (Nasdaq: DEVS) (“DevvStream” or the “Company”), a leading carbon management firm specializing in the development, investment, and sale of environmental assets, today announced that it has entered into a securities

July 22, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 2 DEVVSTREAM CORP. UP TO 26,419,091 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-286070 July 22, 2025 PROSPECTUS SUPPLEMENT NO. 2 DEVVSTREAM CORP. UP TO 26,419,091 COMMON SHARES This prospectus supplement amends the prospectus dated March 25, 2025 (as amended and supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (the “C

July 22, 2025 EX-10.2

DEVVSTREAM CORP. Convertible Promissory Note

Exhibit 10.2 NEITHER THIS NOTE NOR THE SECURITIES INTO WHICH THIS NOTE IS CONVERTIBLE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION

July 22, 2025 EX-10.4

GUARANTEE

Exhibit 10.4 GUARANTEE GUARANTEE (the "Guarantee"), dated as of July 18, 2025, by the Guarantors (as defined below) in favor of the Purchasers (as defined below). WHEREAS, DevvStream Corp., a company organized under the laws of Alberta, Canada (the "Borrower"), is the holder of certain equity interests of the Guarantors; and WHEREAS, pursuant to that certain Security Agreement (defined below), the

July 22, 2025 EX-99.2

DevvStream Announces Initial Crypto Treasury Portfolio and Appoints Custodian and Consultant

Exhibit 99.2 DevvStream Announces Initial Crypto Treasury Portfolio and Appoints Custodian and Consultant CALGARY, Alberta, July 22, 2025 — DevvStream Corp. (Nasdaq: DEVS) (“DevvStream” or the “Company”), a leading carbon management firm specializing in the development, investment, and sale of environmental assets, today announced the initial composition of its crypto treasury portfolio, along wit

July 22, 2025 EX-10.3

SECURITY AGREEMENT

Exhibit 10.3 SECURITY AGREEMENT This SECURITY AGREEMENT, dated as of July 18, 2025 (this “Agreement”), is among DEVVSTREAM CORP., a company organized under the laws of Alberta, Canada (the “Company”), those Subsidiaries of the Company signatory hereto (such subsidiaries, the “Guarantors” and together with the Company, the “Debtors”) and the holders of the Company’s convertible promissory notes iss

July 22, 2025 EX-10.3

SECURITY AGREEMENT

Exhibit 10.3 SECURITY AGREEMENT This SECURITY AGREEMENT, dated as of July 18, 2025 (this “Agreement”), is among DEVVSTREAM CORP., a company organized under the laws of Alberta, Canada (the “Company”), those Subsidiaries of the Company signatory hereto (such subsidiaries, the “Guarantors” and together with the Company, the “Debtors”) and the holders of the Company’s convertible promissory notes iss

July 22, 2025 EX-10.5

REGISTRATION RIGHTS AGREEMENT

Exhibit 10.5 REGISTRATION RIGHTS AGREEMENT This REGISTRATION RIGHTS AGREEMENT (this “Agreement”), dated as of July 18, 2025, is by and among DEVVSTREAM CORP., a company organized under the laws of Alberta, Canada (the “Company”), and each of the investors to the Securities Purchase Agreement (as defined below) (collectively, the “Investors” and, together with the Company, the “Parties” and each, a

July 22, 2025 EX-10.1

SECURITIES PURCHASE AGREEMENT

Exhibit 10.1 SECURITIES PURCHASE AGREEMENT This Securities Purchase Agreement (as amended, supplemented, restated and/or modified from time to time, this “Agreement”) is entered into as of July 18, 2025, by and between DEVVSTREAM CORP., a company organized under the laws of Alberta, Canada (the “Company”), and each investor identified on the signature pages hereto (each, including its successors a

July 22, 2025 EX-99.1

DevvStream Completes $10M Initial Funding to Launch $300M Asset-Backed Digital Infrastructure and Sustainability Strategy

Exhibit 99.1 DevvStream Completes $10M Initial Funding to Launch $300M Asset-Backed Digital Infrastructure and Sustainability Strategy CALGARY, Alberta, July 21, 2025 — DevvStream Corp. (Nasdaq: DEVS) (“DevvStream” or the “Company”), a leading carbon management firm specializing in the development, investment, and sale of environmental assets, today announced that it has entered into a securities

July 22, 2025 EX-10.4

GUARANTEE

Exhibit 10.4 GUARANTEE GUARANTEE (the "Guarantee"), dated as of July 18, 2025, by the Guarantors (as defined below) in favor of the Purchasers (as defined below). WHEREAS, DevvStream Corp., a company organized under the laws of Alberta, Canada (the "Borrower"), is the holder of certain equity interests of the Guarantors; and WHEREAS, pursuant to that certain Security Agreement (defined below), the

July 22, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 4 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-285728 July 22, 2025 PROSPECTUS SUPPLEMENT NO. 4 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES This prospectus supplement amends the prospectus dated March 12, 2025 (as supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (the “Company”), w

July 22, 2025 EX-99.1

DevvStream Completes $10M Initial Funding to Launch $300M Asset-Backed Digital Infrastructure and Sustainability Strategy

Exhibit 99.1 DevvStream Completes $10M Initial Funding to Launch $300M Asset-Backed Digital Infrastructure and Sustainability Strategy CALGARY, Alberta, July 21, 2025 — DevvStream Corp. (Nasdaq: DEVS) (“DevvStream” or the “Company”), a leading carbon management firm specializing in the development, investment, and sale of environmental assets, today announced that it has entered into a securities

July 22, 2025 EX-99.2

DevvStream Announces Initial Crypto Treasury Portfolio and Appoints Custodian and Consultant

Exhibit 99.2 DevvStream Announces Initial Crypto Treasury Portfolio and Appoints Custodian and Consultant CALGARY, Alberta, July 22, 2025 — DevvStream Corp. (Nasdaq: DEVS) (“DevvStream” or the “Company”), a leading carbon management firm specializing in the development, investment, and sale of environmental assets, today announced the initial composition of its crypto treasury portfolio, along wit

July 22, 2025 EX-10.4

GUARANTEE

Exhibit 10.4 GUARANTEE GUARANTEE (the "Guarantee"), dated as of July 18, 2025, by the Guarantors (as defined below) in favor of the Purchasers (as defined below). WHEREAS, DevvStream Corp., a company organized under the laws of Alberta, Canada (the "Borrower"), is the holder of certain equity interests of the Guarantors; and WHEREAS, pursuant to that certain Security Agreement (defined below), the

July 22, 2025 EX-10.5

REGISTRATION RIGHTS AGREEMENT

Exhibit 10.5 REGISTRATION RIGHTS AGREEMENT This REGISTRATION RIGHTS AGREEMENT (this “Agreement”), dated as of July 18, 2025, is by and among DEVVSTREAM CORP., a company organized under the laws of Alberta, Canada (the “Company”), and each of the investors to the Securities Purchase Agreement (as defined below) (collectively, the “Investors” and, together with the Company, the “Parties” and each, a

July 22, 2025 EX-99.2

DevvStream Announces Initial Crypto Treasury Portfolio and Appoints Custodian and Consultant

Exhibit 99.2 DevvStream Announces Initial Crypto Treasury Portfolio and Appoints Custodian and Consultant CALGARY, Alberta, July 22, 2025 — DevvStream Corp. (Nasdaq: DEVS) (“DevvStream” or the “Company”), a leading carbon management firm specializing in the development, investment, and sale of environmental assets, today announced the initial composition of its crypto treasury portfolio, along wit

July 11, 2025 424B3

Up To 26,419,091 Common Shares By The Selling Stockholders

TABLE OF CONTENTS Filed Pursuant to Rule 424(b)(3) Registration Statement No. 333-286070 July 11, 2025   Up To 26,419,091 Common Shares By The Selling Stockholders This prospectus relates to the resale of 26,419,091 Common Shares (“Common Shares” or “DevvStream Common Shares”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (“New PubCo”, the “Company”, “ou

July 8, 2025 CORRESP

2108 N St., Suite 4254 Sacramento, California 95816 July 8, 2025

2108 N St., Suite 4254 Sacramento, California 95816 July 8, 2025 VIA EDGAR United States Securities and Exchange Commission Division of Corporation Finance Office of Real Estate & Construction 100 F Street, N.E. Washington, D.C. 20549-3628 Attn: Pearlyne Paulemon, Division of Corporation Finance, Office of Real Estate & Construction Re: DevvStream Corp. (the “Company”) Registration Statement on Fo

July 2, 2025 S-1/A

As filed with the United States Securities and Exchange Commission on July 2, 2025.

TABLE OF CONTENTS As filed with the United States Securities and Exchange Commission on July 2, 2025.

July 1, 2025 S-1/A

As filed with the United States Securities and Exchange Commission on June 30, 2025.

TABLE OF CONTENTS As filed with the United States Securities and Exchange Commission on June 30, 2025.

June 30, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.)

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.) Filed by the Registrant ☒ Filed by a party other than the Registrant  ☐ Check the appropriate box:   ☐ Preliminary Proxy Statement  ☐ Confidential, for use of the Commission Only (as permitted by Rule

June 27, 2025 CORRESP

2108 N St., Suite 4254 Sacramento, California 95816 June 27, 2025

2108 N St., Suite 4254 Sacramento, California 95816 June 27, 2025 VIA EDGAR United States Securities and Exchange Commission Division of Corporation Finance Office of Real Estate & Construction 100 F Street, N.E. Washington, D.C. 20549-3628 Attn: Pearlyne Paulemon, Division of Corporation Finance, Office of Real Estate & Construction Re: DevvStream Corp. (the “Company”) Registration Statement on F

June 27, 2025 S-1/A

As filed with the United States Securities and Exchange Commission on June 27, 2025.

As filed with the United States Securities and Exchange Commission on June 27, 2025.

June 25, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 3 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-285728 June 25 2025 PROSPECTUS SUPPLEMENT NO. 3 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES This prospectus supplement amends the prospectus dated March 12, 2025 (as supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (the “Company”), wh

June 25, 2025 CORRESP

2108 N St., Suite 4254 Sacramento, California 95816 June 25, 2025

2108 N St., Suite 4254 Sacramento, California 95816 June 25, 2025 VIA EDGAR United States Securities and Exchange Commission Division of Corporation Finance Office of Real Estate & Construction 100 F Street, N.E. Washington, D.C. 20549-3628 Attn: Pearlyne Paulemon, Division of Corporation Finance, Office of Real Estate & Construction Re: DevvStream Corp. (the “Company”) Registration Statement on F

June 23, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended April 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to DEVVSTREAM CORP. (Exact name of registrant as specifie

June 23, 2025 DEF 14C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14C INFORMATION Information Statement Pursuant to Section 14(c) of the Securities Exchange Act of 1934 Check the appropriate box:

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14C INFORMATION Information Statement Pursuant to Section 14(c) of the Securities Exchange Act of 1934 Check the appropriate box:  ☐ Preliminary Information Statement  ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14c-5(d)(2)) ☒ Definitive Information Statement DEVVSTREAM CORP.

June 20, 2025 EX-99.1

DevvStream Signs Carbon Management Agreement with Energy Efficient Technologies Partnership expands DevvStream’s pipeline with efficiency-based environmental assets and shared energy-savings revenue

Exhibit 99.1 DevvStream Signs Carbon Management Agreement with Energy Efficient Technologies Partnership expands DevvStream’s pipeline with efficiency-based environmental assets and shared energy-savings revenue CALGARY, Alberta, June 20, 2025 — DevvStream Corp. (Nasdaq: DEVS), a leading carbon management firm specializing in the development, investment, and sale of environmental assets, today ann

June 20, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 20, 2025 DEVVSTREAM

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 20, 2025 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or org

June 18, 2025 PRER14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.)

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.) Filed by the Registrant ☒ Filed by a party other than the Registrant  ☐ Check the appropriate box: ☒ Preliminary Proxy Statement  ☐ Confidential, for use of the Commission Only (as permitted by Rule 1

June 17, 2025 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.) Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confidential, for use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Defini

June 16, 2025 NT 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form 10-D ☐ Form N-CEN ☐ Form N-CSR For Period Ended: April 30, 2025 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report on Form 10-Q For the Transition Perio

June 13, 2025 PRE 14C

By order of the Board,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14C INFORMATION Information Statement Pursuant to Section 14(c) of the Securities Exchange Act of 1934 Check the appropriate box: ☒ Preliminary Information Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14c-5(d)(2)) ☐ Definitive Information Statement DEVVSTREAM CORP. (Name of Registrant

June 13, 2025 S-1/A

As filed with the United States Securities and Exchange Commission on June 12, 2025.

TABLE OF CONTENTS As filed with the United States Securities and Exchange Commission on June 12, 2025.

May 12, 2025 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 6, 2025 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or organ

May 12, 2025 EX-99.1

DevvStream Affiliate Monroe Sequestration Partners Signs Agreement with Southern Energy to Anchor Major Carbon Capture Project in Louisiana DevvStream’s October 2024 acquisition of 50% of the common interests in Monroe Sequestration Partners directly

Exhibit 99.1 DevvStream Affiliate Monroe Sequestration Partners Signs Agreement with Southern Energy to Anchor Major Carbon Capture Project in Louisiana DevvStream’s October 2024 acquisition of 50% of the common interests in Monroe Sequestration Partners directly connects the Company to one of the Gulf Coast’s most strategic carbon storage and clean fuel sectors CALGARY, Alberta, May 8, 2025 — Dev

May 8, 2025 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 7, 2025 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or organ

May 8, 2025 EX-99.1

DevvStream Corp and Fayafi Investment Holding Sign MoU to Explore Creation of “Fayafi x DevvStream Green Ventures” to Accelerate Global Sustainability Investments Proposed capital-light joint venture aims to unlock high-impact decarbonization and ene

Exhibit 99.1 DevvStream Corp and Fayafi Investment Holding Sign MoU to Explore Creation of “Fayafi x DevvStream Green Ventures” to Accelerate Global Sustainability Investments Proposed capital-light joint venture aims to unlock high-impact decarbonization and energy transition opportunities CALGARY, Alberta, May 7, 2025 — DevvStream Corp. (Nasdaq: DEVS) (“DevvStream” or the “Company”), a leading c

April 17, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 2 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-285728 April 17, 2025 PROSPECTUS SUPPLEMENT NO. 2 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES This prospectus supplement amends the prospectus dated March 12, 2025 (as supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (the “Company”),

April 16, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended January 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to DEVVSTREAM CORP. (Exact name of registrant as specif

April 16, 2025 EX-10.23

Amendment to Contribution and Exchange Agreement. (incorporated by reference to Exhibit 10.23 to the Form 10-Q filed on April 16, 2025).

Exhibit 10.23 FIRST AMENDMENT TO CONTRIBUTION AND EXCHANGE AGREEMENT This First Amendment to Contribution and Exchange Agreement (the “Amendment”), effective as of [*], 2025 (the “Amendment Effective Date”), is by and between Focus Impact Acquisition Corp., a Delaware corporation (the “FIAC”), DevvStream Holdings Inc., a company existing under the laws of the Province of British Columbia (“DevvStr

April 14, 2025 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 14, 2025 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or or

April 2, 2025 LETTER

LETTER

April 2, 2025 Sunny Trinh Chief Executive Officer DevvStream Corp. 2108 N St., Suite 4254 Sacramento, CA 95816 Re: DevvStream Corp. Registration Statement on Form S-1 Filed March 25, 2025 File No. 333-286070 Dear Sunny Trinh: Our initial review of your registration statement indicates that it fails in numerous material respects to comply with the requirements of the Securities Act of 1933, the rul

March 25, 2025 EX-FILING FEES

Calculation of Filing Fee Tables Form S-1 (Form Type) DevvStream Corp. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities

Exhibit 107 Calculation of Filing Fee Tables Form S-1 (Form Type) DevvStream Corp.

March 25, 2025 S-1

As filed with the United States Securities and Exchange Commission on March 24, 2025.

TABLE OF CONTENTS As filed with the United States Securities and Exchange Commission on March 24, 2025.

March 20, 2025 EX-99.1

DevvStream Announces Additional Investment Investment by Chairman Carl Stanton and Director Wray Thorn reinforces confidence in DevvStream’s mission

Exhibit 99.1 DevvStream Announces Additional Investment Investment by Chairman Carl Stanton and Director Wray Thorn reinforces confidence in DevvStream’s mission Calgary, Alberta, March 19, 2025 – DevvStream Corp. (“DevvStream” or the “Company”) (Nasdaq: DEVS), a leading carbon management firm specializing in the development, investment, and sale of environmental assets, energy transition, and inn

March 20, 2025 EX-99.1

DevvStream Announces Additional Investment Investment by Chairman Carl Stanton and Director Wray Thorn reinforces confidence in DevvStream’s mission

Exhibit 99.1 DevvStream Announces Additional Investment Investment by Chairman Carl Stanton and Director Wray Thorn reinforces confidence in DevvStream’s mission Calgary, Alberta, March 19, 2025 – DevvStream Corp. (“DevvStream” or the “Company”) (Nasdaq: DEVS), a leading carbon management firm specializing in the development, investment, and sale of environmental assets, energy transition, and inn

March 20, 2025 424B3

PROSPECTUS SUPPLEMENT NO. 1 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES

Filed Pursuant to Rule 424(b)(3) and Rule 424(c) Registration Statement No. 333-285728 March 20, 2025 PROSPECTUS SUPPLEMENT NO. 1 DEVVSTREAM CORP. UP TO 114,968,270 COMMON SHARES This prospectus supplement amends the prospectus dated March 12, 2025 (as supplemented to date, the “Prospectus”) of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (the “Company”),

March 20, 2025 EX-10.1

FIRST AMENDMENT TO PURCHASE AGREEMENT

Exhibit 10.1 FIRST AMENDMENT TO PURCHASE AGREEMENT This FIRST AMENDMENT TO PURCHASE AGREEMENT (this “Amendment”), is entered into as of March 18, 2025 (the “Amendment Date”), by and between DevvStream Corp., a British Columbia company (formerly known as Focus Impact Acquisition Corp, the “Company”), and Helena Global Investment Opportunities 1 Ltd., a Cayman Islands exempted company (the “Investor

March 20, 2025 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 18, 2025 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or or

March 20, 2025 EX-10.1

FIRST AMENDMENT TO PURCHASE AGREEMENT

Exhibit 10.1 FIRST AMENDMENT TO PURCHASE AGREEMENT This FIRST AMENDMENT TO PURCHASE AGREEMENT (this “Amendment”), is entered into as of March 18, 2025 (the “Amendment Date”), by and between DevvStream Corp., a British Columbia company (formerly known as Focus Impact Acquisition Corp, the “Company”), and Helena Global Investment Opportunities 1 Ltd., a Cayman Islands exempted company (the “Investor

March 17, 2025 NT 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form 10-D ☐ Form N-CEN ☐ Form N-CSR For Period Ended: January 31, 2025 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report on Form 10-Q For the Transition Per

March 17, 2025 424B3

Up to 114,968,270 Common Shares by the Selling Stockholder

TABLE OF CONTENTS Filed pursuant to Rule 424(b)(3) Registration No. 333-285728   Up to 114,968,270 Common Shares by the Selling Stockholder This prospectus relates to the issuance by us of 114,968,270 shares of Common Shares, no par value (“Common Shares” or “DevvStream Common Shares”), of DevvStream Corp., a company existing under the Laws of the Province of Alberta, Canada (“New PubCo”, the “Com

March 14, 2025 CORRESP

2108 N St., Suite 4254 Sacramento, California 95816 March 14, 2025

2108 N St., Suite 4254 Sacramento, California 95816 March 14, 2025 VIA EDGAR United States Securities and Exchange Commission Division of Corporation Finance Office of Real Estate & Construction 100 F Street, N.E. Washington, D.C. 20549-3628 Attn: Benjamin Holt, Division of Corporation Finance, Office of Real Estate & Construction Re: DevvStream Corp. (the “Company”) Registration Statement on Form

March 14, 2025 LETTER

LETTER

March 14, 2025 Sunny Trinh Chief Executive Officer DevvStream Corp. 2108 N St., Suite 4254 Sacramento, CA 95816 Re: DevvStream Corp. Registration Statement on Form S-1 Filed March 12, 2025 File No. 333-285728 Dear Sunny Trinh: This is to advise you that we have not reviewed and will not review your registration statement. Please refer to Rules 460 and 461 regarding requests for acceleration. We re

March 12, 2025 S-1

As filed with the United States Securities and Exchange Commission on March 11, 2025.

TABLE OF CONTENTS As filed with the United States Securities and Exchange Commission on March 11, 2025.

March 12, 2025 EX-FILING FEES

Calculation of Filing Fee Tables Form S-1 (Form Type) DevvStream Corp. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities

Exhibit 107 Calculation of Filing Fee Tables Form S-1 (Form Type) DevvStream Corp.

March 7, 2025 EX-99.6

For the Three Months Ended October 31, 2024

Exhibit 99.6 MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS OF DEVVSTREAM The following discussion and analysis should be read in conjunction with DevvStream’s unaudited condensed consolidated interim financial statements and related notes for the three months ended October 31, 2024 and 2023 (“interim financial statements”), which have been prepared in accord

March 7, 2025 EX-99.7

UNAUDITED PRO FORMA COMBINED FINANCIAL INFORMATION

Exhibit 99.7 UNAUDITED PRO FORMA COMBINED FINANCIAL INFORMATION Defined terms included below shall have the same meaning as terms defined and included elsewhere in this Form 8-K/A. Introduction The unaudited pro forma combined financial information of New PubCo has been prepared in accordance with Article 11 of Regulation S-X as amended by the final rule, Release No. 33-10786 “Amendments to Financ

March 7, 2025 EX-99.3

DevvStream Holdings Inc. Consolidated Financial Statements (Expressed in United States dollars) For the years ended July 31, 2024 and 2023

Exhibit 99.3 DevvStream Holdings Inc. Consolidated Financial Statements (Expressed in United States dollars) For the years ended July 31, 2024 and 2023 INDEX TO CONSOLIDATED FINANCIAL STATEMENTS Page Report of Independent Registered Public Accounting Firm (PCAOB ID: 1930) 2 Consolidated Balance Sheets as of July 31, 2024 and 2023 3 Consolidated Statements of Operations and Comprehensive Loss for t

March 7, 2025 EX-16.1

March 7, 2025

Exhibit 16.1 March 7, 2025 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We have read the statements made by DevvStream Corp. (formerly known as Focus Impact Acquisition Corp.) under Item 4.01 of its Form 8-K dated March 7, 2025. We agree with the statements concerning our Firm in such Form 8-K; we are not in a position to agree or disagree with other st

March 7, 2025 8-K/A

Regulation FD Disclosure, Changes in Control of Registrant, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Amendment to Registrant's Code of Ethics, or Waiver of a Provision of the Code of Ethics, Change in Shell Company Status, Entry into a Material Definitive Agreement, Material Modification to Rights of Security Holders, Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Changes in Registrant's Certifying Accountant, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Results of Operations and Financial Condition, Completion of Acquisition or Disposition of Assets, Other Events

false12-310001854480NASDAQ00018544802024-11-062024-11-06 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 7, 2025 EX-99.4

For the Three Months Ended July 31, 2024

Exhibit 99.4 MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS OF DEVVSTREAM The following discussion and analysis should be read in conjunction with the DevvStream Holdings Inc. (defined as “DevvStream” for this section) audited consolidated financial statements and related notes for the year ended July 31, 2024 and 2023 (“consolidated financial statements”), w

March 7, 2025 EX-99.5

DevvStream Holdings Inc. Condensed Consolidated Interim Financial Statements (Unaudited - Expressed in United States dollars) For the three months ended October 31, 2024 and 2023

Exhibit 99.5 DevvStream Holdings Inc. Condensed Consolidated Interim Financial Statements (Unaudited - Expressed in United States dollars) For the three months ended October 31, 2024 and 2023 INDEX TO CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS Page Condensed Consolidated Interim Balance Sheets as of October 31, 2024 and July 31, 2024 3 Condensed Consolidated Interim Statements of Operatio

February 14, 2025 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 12, 2025 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or

January 29, 2025 EX-99.1

DevvStream Discloses Nasdaq Notice and Provides Update

Exhibit 99.1 DevvStream Discloses Nasdaq Notice and Provides Update Calgary, Alberta, January 28, 2025 – DevvStream Corp. (“DevvStream” or the “Company”) (Nasdaq: DEVS), a leading carbon credit project co-development and generation firm specializing in technology-based solutions, today announced that it received a notice (the “Notice”) on January 22, 2025 from the Listing Qualifications Department

January 29, 2025 8-K

Regulation FD Disclosure, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 22, 2025 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or

January 23, 2025 EX-10.4

DevvStream Corp. 2024 Equity Incentive Plan (incorporated by reference to Exhibit 10.4 to the Form 10-Q filed on January 23, 2025).

Exhibit 10.4 DevvStream Corp. 2024 Equity Incentive Plan Adopted by the Board of Directors: September 12, 2023 Approved by the Stockholders: September 13, 2024 1. General. (a) Plan Purpose. The purpose of the Plan is to further align the interests of eligible participants with those of the Company’s stockholders by providing incentive compensation opportunities tied to the performance of the Compa

January 23, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 ☐ TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to DEVVSTREAM CORP. (Exact name of registrant as spec

December 19, 2024 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 18, 2024 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or

December 19, 2024 EX-10.1

Security Agreement, dated December 18, 2024, by and among DevvStream Corp., Focus Impact Sponsor, LLC and Focus Impact Partners, LLC (incorporated by reference to Exhibit 10.1 to the Current Report on Form 8-K, filed by New PubCo on December 19, 2024).

Exhibit 10.1 EXECUTION VERSION SECURITY AGREEMENT dated as of December 18, 2024 DEVVSTREAM CORP., as the Company, and FOCUS IMPACT SPONSOR, LLC AND FOCUS IMPACT PARTNERS, LLC, as the Secured Parties TABLE OF CONTENTS Page Section 1. Definitions 1 Section 2. Grant of Transaction Liens 3 Section 3. General Representations and Warranties 4 Section 4. Further Assurances; General Covenants 4 Section 5.

December 6, 2024 EX-99.1

NOTICE December 6, 2024

Exhibit 99.1 NOTICE December 6, 2024 Dear Warrant holder, Reference is hereby made to that certain Warrant Agreement (the “Warrant Agreement”), dated November 1, 2021, by and between DevvStream Corp. (the “Company”), the successor of Focus Impact Acquisition Corp. following the consummation of its business combination with DevvStream Holdings Inc. on November 6, 2024, and Continental Stock Transfe

December 6, 2024 8-K

Material Modification to Rights of Security Holders, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 6, 2024 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or

November 15, 2024 NT 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING SEC FILE NUMBER: 001-40977 CUSIP NUMBER 251936 100 (Check One): ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form N-SAR ☐ Form N-CSR For Period Ended: September 30, 2024 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition R

November 14, 2024 EX-99.1

JOINT FILING AGREEMENT PURSUANT TO RULE 13d-1(k)

EX-99.1 2 d896176dex991.htm EX-99.1 Exhibit 99.1 JOINT FILING AGREEMENT PURSUANT TO RULE 13d-1(k) In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, the undersigned persons agree and consent to the joint filing on their behalf of the Statement on Schedule 13G, including any amendments thereto, in connection with shares of common stock of DevvStream Corp., an Al

November 14, 2024 SC 13G

US34417L2088 / Focus Impact Acquisition Corp. / Polar Asset Management Partners Inc. - DEVVSTREAM Passive Investment

SC 13G 1 devvstream.txt DEVVSTREAM Securities and Exchange Commission, Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.)* (Name of Issuer) DevvStream Corp. (Formerly Known As Focus Impact Acquisition Corp.) (Title of Class of Securities) Common Shares (CUSIP Number) 251936100 (Date of Event Which Requires Filing of this Statement) 09/30/2024 Check the ap

November 14, 2024 SC 13G

US34417L2088 / Focus Impact Acquisition Corp. / Crestmont Investments LLC - SC 13G Passive Investment

SC 13G 1 d896176dsc13g.htm SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* DEVVSTREAM CORP. (Name of Issuer) Common Shares (Title of Class of Securities) 251936 100 (CUSIP Number) November 6, 2024 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the

November 13, 2024 EX-14.1

DevvStream will not tolerate retaliation against any Employee who makes a good faith report about a violation or possible violation of applicable law, the Code, or any other DevvStream policy.

Exhibit 14.1 Message from the CEO To all DevvStream employees: Climate Change poses one of the greatest risks to survival of the human species. It is imperative that we act quickly to remove greenhouse gas emissions from our atmosphere. In meeting this moment, our commitment to behave ethically and fairly will provide the basis for dealing with our various constituents: our colleagues, our custome

November 13, 2024 EX-4.3

Specimen Common Stock Certificate of DevvStream Corp (incorporated by reference to Exhibit 4.3 to the Current Report on Form 8-K, filed by New PubCo on November 13, 2024).

Exhibit 4.3 NUMBER SHARES CERTIFICATE NUMBER SEE REVERSE FOR CERTAIN DEFINITIONS CUSIP [●] SPECIMEN COMMON SHARE CERTIFICATE DEVVSTREAM CORP. INCORPORATED UNDER THE BUSINESS CORPORATIONS ACT (ALBERTA) This Certifies that is the registered holder of FULLY PAID AND NON-ASSESSABLE COMMON SHARES OF DEVVSTREAM CORP. (THE “COMPANY”) transferable on the books of the Company in person or by duly authorize

November 13, 2024 EX-21.1

List of Subsidiaries of DevvStream (incorporated by reference to Exhibit 21.1 to the Current Report on Form 8-K, filed by New PubCo on November 13, 2024).

Exhibit 21.1 Subsidiaries of DevvStream Corp. Name of Subsidiary Jurisdiction of Organization DevvStream Holdings Inc. British Columbia, Canada DevvStream Inc. Delaware, U.S. DevvESG Streaming Finco Ltd. British Columbia, Canada

November 13, 2024 8-K

Regulation FD Disclosure, Changes in Control of Registrant, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Amendment to Registrant's Code of Ethics, or Waiver of a Provision of the Code of Ethics, Entry into a Material Definitive Agreement, Material Modification to Rights of Security Holders, Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Completion of Acquisition or Disposition of Assets, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 6, 2024 DEVVSTREAM CORP. (Exact name of registrant as specified in its charter) Alberta, Canada 001-40977 86-2433757 (State or other jurisdiction of incorporation or

November 13, 2024 EX-10.13

Amended and Restated Registration Rights Agreement, dated November 6, 2024, by and among FIAC, the Sponsor and certain other legacy DevvStream holders (incorporated by reference to Exhibit 10.13 to the Current Report on Form 8-K, filed by New PubCo on November 13, 2024).

Exhibit 10.13 EXECUTION VERSION AMENDED AND RESTATED REGISTRATION RIGHTS AGREEMENT This AMENDED AND RESTATED REGISTRATION RIGHTS AGREEMENT, dated as of November 6, 2024 (this “Agreement”), is made and entered into by and among DevvStream Corp. (formerly known as Focus Impact Acquisition Corp.), a company existing under the laws of the Province of Alberta (the “Company”), Focus Impact Sponsor, LLC,

November 13, 2024 EX-10.21

Form of New Convertible Note (incorporated by reference to Exhibit 10.21 to the Current Report on Form 8-K, filed by New PubCo on November 13, 2024).

Exhibit 10.21 THE SECURITIES REPRESENTED HEREBY, AND EXCEPT AS OTHERWISE EXPRESSLY PROVIDED HEREIN, AND THE SECURITIES ISSUABLE UPON CONVERSION THEREOF HAVE NOT BEEN REGISTERED UNDER THE UNITED STATES SECURITIES ACT OF 1933, AS AMENDED (THE “U.S. SECURITIES ACT”), OR THE SECURITIES LAWS OF ANY STATE OF THE UNITED STATES. THE HOLDER HEREOF, BY PURCHASING SUCH SECURITIES, AGREES FOR THE BENEFIT OF T

November 13, 2024 EX-99.2

Devstream Holdings Inc.

Exhibit 99.2 DEVVSTREAM HOLDINGS INC. PRO FORMA COMBINED INCOME STATEMENT UNAUDITED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS For the Period From January 1, 2024 to July 31, 2024 (Expressed in USD) Devstream Holdings Inc. Focus Impact Acquisition Corp. Pro-forma Adjustments Notes Pro-forma Results $ $ $ A Operating expenses Advertising and promotion 116,957 - - 116,957 Depreciat

November 13, 2024 EX-3.2

By-Laws of the Company (incorporated by reference to Exhibit 3.2 to the Current Report on Form 8-K, filed by New PubCo on November 13, 2024).

Exhibit 3.2 DEVVSTREAM CORP. BY-LAW NO. 1 ARTICLE 1 INTERPRETATION Section 1.1 Definitions. As used in this by-law, the following terms have the following meanings: “Act” means the Business Corporations Act (Alberta) and the regulations under the Act, all as amended, re-enacted or replaced from time to time. “Authorized Signatory” has the meaning specified in Section 2.2. “Corporation” means DevvS

November 13, 2024 EX-10.17

Employment Agreement, dated November 6, 2024, between DevvStream Corp. and Sunny Trinh (incorporated by reference to Exhibit 10.17 to the Current Report on Form 8-K, filed by New PubCo on November 13, 2024).

Exhibit 10.17 EXECUTIVE EMPLOYMENT AGREEMENT BETWEEN: DEVVSTREAM CORP. (the “Company”) AND: SUNNY TRINH (the “Executive”) RECITALS A. On September 12, 2023, Focus Impact Acquisition Corp., a Delaware corporation (“FIAC”) entered into a Business Combination Agreement (as may be amended, supplemented or otherwise modified from time to time, the “Business Combination Agreement” and the transactions c

November 13, 2024 EX-99.1

DevvStream Holdings Inc. Announces Completion of Business Combination with Focus Impact Acquisition Corp.; Secures Up to US$43M of Additional Capital to Execute Growth Plans

Exhibit 99.1 DevvStream Holdings Inc. Announces Completion of Business Combination with Focus Impact Acquisition Corp.; Secures Up to US$43M of Additional Capital to Execute Growth Plans Completion of the business combination makes DevvStream the first publicly traded carbon credit generation company on a major U.S. stock exchange The combined entity will be renamed DevvStream Corp. and its shares

November 13, 2024 EX-10.20

Strategic Consulting Agreement, dated November 13, 2024, by and between DevvStream Corp. and Focus Impact Partners, LLC (incorporated by reference to Exhibit 10.20 to the Current Report on Form 8-K, filed by New PubCo on November 13, 2024).

Exhibit 10.20 STRATEGIC CONSULTING AGREEMENT This Strategic Consulting Agreement (this “Agreement”) is made as of November 13, 2024 (the “Effective Date”), by and between Focus Impact Partners, LLC, a Delaware limited liability company (the “Consultant”), and DevvStream Corp., a Vancouver, BC company (together with its direct and indirect subsidiaries, the “Company”). WHEREAS, the Consultant, by a

November 13, 2024 EX-3.1

Certificate of Continuance of the Company (incorporated by reference to Exhibit 3.1 to the Current Report on Form 8-K, filed by DevvStream on November 13, 2024).

Exhibit 3.1 CORPORATE ACCESS NUMBER: 2026610804 BUSINESS CORPORATIONS ACT CERTIFICATE OF CONTINUANCE DEVVSTREAM CORP. (FORMERLY: FOCUS IMPACT ACQUISITION CORP.) CONTINUED FROM DELAWARE TO ALBERTA ON 2024/11/06. Articles of Continuance Business Corporations Act Section 188 1. Name of Corporation DevvStream Corp. 2. The classes of shares, and any maximum number of shares that the corporation is auth

November 13, 2024 EX-10.19

Employment Agreement, dated November 6, 2024, between DevvStream Corp. and Bryan Went (incorporated by reference to Exhibit 10.19 to the Current Report on Form 8-K, filed by New PubCo on November 13, 2024).

Exhibit 10.19 CONFIDENTIAL EXECUTIVE EMPLOYMENT AGREEMENT BETWEEN: DEVVSTREAM CORP. (the “Company”) AND: BRYAN WENT (the “Executive”) RECITALS 1. On September 12, 2023, Focus Impact Acquisition Corp., a Delaware corporation (“FIAC”) entered into a Business Combination Agreement (as may be amended, supplemented or otherwise modified from time to time, the “Business Combination Agreement” and the tr

November 13, 2024 EX-10.18

Employment Agreement, dated November 6, 2024, between DevvStream Corp. and Chris Merkel (incorporated by reference to Exhibit 10.18 to the Current Report on Form 8-K, filed by New PubCo on November 13, 2024).

Exhibit 10.18 EXECUTIVE EMPLOYMENT AGREEMENT BETWEEN: DEVVSTREAM CORP. (the “Company”) AND: CHRIS MERKEL (the “Executive”) RECITALS A. On September 12, 2023, Focus Impact Acquisition Corp., a Delaware corporation (“FIAC”) entered into a Business Combination Agreement (as may be amended, supplemented or otherwise modified from time to time, the “Business Combination Agreement” and the transactions

November 4, 2024 425

DevvStream Provides Update on Previously Announced Business Combination and Nasdaq Listing DevvStream’s business combination with Focus Impact Acquisition Corp. and uplisting to the Nasdaq continues to progress towards completion

Filed by Focus Impact Acquisition Corp. pursuant to Rule 425 under the Securities Act of 1933, as amended, and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934, as amended Subject Company: Focus Impact Acquisition Corp. (File No. 001-40977) DevvStream Provides Update on Previously Announced Business Combination and Nasdaq Listing DevvStream’s business combination with

November 1, 2024 EX-3.1

CERTIFICATE OF AMENDMENT TO THE AMENDED AND RESTATED CERTIFICATE OF INCORPORATION FOCUS IMPACT ACQUISITION CORP. Pursuant to Section 242 of the Delaware General Corporation Law

Exhibit 3.1 CERTIFICATE OF AMENDMENT TO THE AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF FOCUS IMPACT ACQUISITION CORP. Pursuant to Section 242 of the Delaware General Corporation Law FOCUS IMPACT ACQUISITION CORP. (the “Corporation”), a corporation organized and existing under the laws of the State of Delaware, does hereby certify as follows: 1. The name of the Corporation is “Focus Impac

November 1, 2024 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 28, 2024 FOCUS IMPACT ACQUISITION CORP. (Exact name of registrant as specified in its charter) Delaware 001-40977 86-2433757 (State or other jurisdiction of incorporat

October 31, 2024 425

DevvStream Announces Delay in Filing Annual Financial Statements

Filed by Focus Impact Acquisition Corp. pursuant to Rule 425 under the Securities Act of 1933, as amended, and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934, as amended Subject Company: Focus Impact Acquisition Corp. (File No. 001-40977) www.devvstream.com DevvStream Announces Delay in Filing Annual Financial Statements VANCOUVER, BC, October 30, 2024 – DevvStream

October 30, 2024 EX-10.6

Purchase Agreement, dated October 29, 2024, by and between FIAC, Helena Global Investment Opportunities I Ltd. and the Sponsor (incorporated by reference to Exhibit 10.6 to the Current Report on Form 8-K, filed by FIAC on October 29, 2024).

Exhibit 10.6 Execution Version PURCHASE AGREEMENT THIS PURCHASE AGREEMENT (this “Agreement”), dated as of October 29, 2024, is made by and between HELENA GLOBAL INVESTMENT OPPORTUNITIES I LTD. (the “Investor”), FOCUS IMPACT ACQUISITION CORP., a Delaware corporation (the “Company”), and Focus Impact Sponsor, LLC, a Delaware limited liability company (the “Sponsor”). WHEREAS, the parties desire that

October 30, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 29, 2024 FOCUS IMPACT ACQUISITION CORP. (Exact name of registrant as specified in its charter) Delaware 001-40977 86-2433757 (State or other jurisdiction of incorporation) (Co

October 30, 2024 EX-10.4

Form of Carbon Subscription Agreement (incorporated by reference to Exhibit 10.4 to the Current Report on Form 8-K, filed by FIAC on October 29, 2024).

Exhibit 10.4 Execution Version SUBSCRIPTION AGREEMENT Focus Impact Acquisition Corp. 250 Park Avenue Ste 911 New York, NY 10177 Ladies and Gentlemen: This Subscription Agreement (this “Agreement”) is being entered into as of the date set forth on the signature page hereto, by and between Focus Impact Acquisition Corp., a Delaware corporation (the “Company” or “FIAC”), and the undersigned investor

October 30, 2024 EX-10.1

Amendment No. 2 to Sponsor Letter Agreement, dated October 29, 2024, by and between FIAC and the Sponsor (incorporated by reference to Exhibit 10.1 to the Current Report on Form 8-K, filed by FIAC on October 29, 2024).

Exhibit 10.1 AMENDMENT NO. 2 TO SPONSOR SIDE LETTER This Amendment No. 2 (this “Amendment”), dated as of October 29, 2024 (the “Effective Date”) to the Sponsor Side Letter (as defined below) is entered into by and among (i) Focus Impact Acquisition Corp., a Delaware corporation (the “Company”), and (ii) Focus Impact Sponsor, LLC, a Delaware limited liability company (“Sponsor”). Capitalized terms

October 30, 2024 EX-10.5

Registration Rights Agreement, dated October 29, 2024, by and between FIAC and Karbon-X Corp (incorporated by reference to Exhibit 10.5 to the Current Report on Form 8-K, filed by FIAC on October 29, 2024).

Exhibit 10.5 Execution Version REGISTRATION RIGHTS AGREEMENT REGISTRATION RIGHTS AGREEMENT (this "Registration Rights Agreement"), effective as of October 29, 2024, is entered into between Karbon-X Corp., a Nevada corporation (“Seller”), and Focus Impact Acquisition Corp., a Delaware corporation (the “Company” or “FIAC”), in connection with the Business Combination Agreement, dated September 12, 2

October 30, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 29, 2024 FOCUS IMPACT ACQUISITION CORP. (Exact name of registrant as specified in its charter) Delaware 001-40977 86-2433757 (State or other jurisdiction of incorporation) (Co

October 30, 2024 EX-10.6

PURCHASE AGREEMENT

Exhibit 10.6 Execution Version PURCHASE AGREEMENT THIS PURCHASE AGREEMENT (this “Agreement”), dated as of October 29, 2024, is made by and between HELENA GLOBAL INVESTMENT OPPORTUNITIES I LTD. (the “Investor”), FOCUS IMPACT ACQUISITION CORP., a Delaware corporation (the “Company”), and Focus Impact Sponsor, LLC, a Delaware limited liability company (the “Sponsor”). WHEREAS, the parties desire that

October 30, 2024 EX-10.7

WAIVER OF CLOSING CONDITIONS October 29, 2024

Exhibit 10.7 Execution Version WAIVER OF CLOSING CONDITIONS October 29, 2024 Reference is hereby made to that certain Business Combination Agreement, dated as of September 12, 2023, as amended by Amendment No. 1 to Business Combination Agreement, dated as of May 1, 2024, and Amendment No. 2 to Business Combination Agreement, dated as of August 10, 2024 (collectively, the “Agreement”), by and betwe

October 30, 2024 EX-99.1

Liabilities and Shareholders' Equity

Exhibit 99.1 DevvStream Holdings Inc. Unaudited Pro Forma Condensed Combined Balance Sheet As of June 30, 2024 (in thousands) 1 2 3 4 5 6 7 8 9 Formula Based on DevvStream Shares * DESG Price Based on DevvStream Shares * DESG Price Accrual Relieved from vendor equitization agreements Formula Focus Impact Acquisition Corp. (Historical) DevvStream Holdings Inc. (Historical) Transaction Accounting Ad

October 30, 2024 EX-10.5

REGISTRATION RIGHTS AGREEMENT

Exhibit 10.5 Execution Version REGISTRATION RIGHTS AGREEMENT REGISTRATION RIGHTS AGREEMENT (this "Registration Rights Agreement"), effective as of October 29, 2024, is entered into between Karbon-X Corp., a Nevada corporation (“Seller”), and Focus Impact Acquisition Corp., a Delaware corporation (the “Company” or “FIAC”), in connection with the Business Combination Agreement, dated September 12, 2

October 30, 2024 EX-10.7

Waiver to Certain Business Combination Conditions Precedent, dated October 29, 2024, by and between FIAC, Amalco Sub and DevvStream (incorporated by reference to Exhibit 10.7 to the Current Report on Form 8-K, filed by FIAC on October 29, 2024).

Exhibit 10.7 Execution Version WAIVER OF CLOSING CONDITIONS October 29, 2024 Reference is hereby made to that certain Business Combination Agreement, dated as of September 12, 2023, as amended by Amendment No. 1 to Business Combination Agreement, dated as of May 1, 2024, and Amendment No. 2 to Business Combination Agreement, dated as of August 10, 2024 (collectively, the “Agreement”), by and betwe

October 30, 2024 EX-10.2

Contribution and Exchange Agreement, dated October 29, 2024, by and among FIAC, DevvStream and Crestmont (incorporated by reference to Exhibit 10.2 to the Current Report on Form 8-K, filed by FIAC on October 29, 2024).

Exhibit 10.2 CONTRIBUTION AND EXCHANGE AGREEMENT This CONTRIBUTION AND EXCHANGE AGREEMENT (this “Agreement”) is made and entered into as of October 29, 2024, by and among Focus Impact Acquisition Corp., a Delaware corporation (the “FIAC”), DevvStream Holdings Inc., a company existing under the laws of the Province of British Columbia (“DevvStream”), Crestmont Investments LLC, a Delaware limited li

October 30, 2024 EX-10.4

SUBSCRIPTION AGREEMENT

Exhibit 10.4 Execution Version SUBSCRIPTION AGREEMENT Focus Impact Acquisition Corp. 250 Park Avenue Ste 911 New York, NY 10177 Ladies and Gentlemen: This Subscription Agreement (this “Agreement”) is being entered into as of the date set forth on the signature page hereto, by and between Focus Impact Acquisition Corp., a Delaware corporation (the “Company” or “FIAC”), and the undersigned investor

October 30, 2024 EX-10.3

Form of PIPE Agreement (incorporated by reference to Exhibit 10.3 to the Current Report on Form 8-K, filed by FIAC on October 29, 2024).

Exhibit 10.3 Execution Version SUBSCRIPTION AGREEMENT Focus Impact Acquisition Corp. 250 Park Avenue Ste 911 New York, NY 10177 Focus Impact Sponsor, LLC 250 Park Avenue Ste 911 New York, NY 10177 Ladies and Gentlemen: This Subscription Agreement (this “Agreement”) is being entered into as of the date set forth on the signature page hereto, by and among Focus Impact Acquisition Corp., a Delaware c

October 30, 2024 EX-10.2

CONTRIBUTION AND EXCHANGE AGREEMENT

Exhibit 10.2 CONTRIBUTION AND EXCHANGE AGREEMENT This CONTRIBUTION AND EXCHANGE AGREEMENT (this “Agreement”) is made and entered into as of October 29, 2024, by and among Focus Impact Acquisition Corp., a Delaware corporation (the “FIAC”), DevvStream Holdings Inc., a company existing under the laws of the Province of British Columbia (“DevvStream”), Crestmont Investments LLC, a Delaware limited li

October 30, 2024 EX-10.1

AMENDMENT NO. 2 TO

Exhibit 10.1 AMENDMENT NO. 2 TO SPONSOR SIDE LETTER This Amendment No. 2 (this “Amendment”), dated as of October 29, 2024 (the “Effective Date”) to the Sponsor Side Letter (as defined below) is entered into by and among (i) Focus Impact Acquisition Corp., a Delaware corporation (the “Company”), and (ii) Focus Impact Sponsor, LLC, a Delaware limited liability company (“Sponsor”). Capitalized terms

October 30, 2024 EX-99.1

Liabilities and Shareholders' Equity

Exhibit 99.1 DevvStream Holdings Inc. Unaudited Pro Forma Condensed Combined Balance Sheet As of June 30, 2024 (in thousands) 1 2 3 4 5 6 7 8 9 Formula Based on DevvStream Shares * DESG Price Based on DevvStream Shares * DESG Price Accrual Relieved from vendor equitization agreements Formula Focus Impact Acquisition Corp. (Historical) DevvStream Holdings Inc. (Historical) Transaction Accounting Ad

October 30, 2024 EX-10.3

SUBSCRIPTION AGREEMENT

Exhibit 10.3 Execution Version SUBSCRIPTION AGREEMENT Focus Impact Acquisition Corp. 250 Park Avenue Ste 911 New York, NY 10177 Focus Impact Sponsor, LLC 250 Park Avenue Ste 911 New York, NY 10177 Ladies and Gentlemen: This Subscription Agreement (this “Agreement”) is being entered into as of the date set forth on the signature page hereto, by and among Focus Impact Acquisition Corp., a Delaware c

October 24, 2024 LETTER

LETTER

October 24, 2024 Carl Stanton Chief Executive Officer Focus Impact Acquisition Corp.

October 24, 2024 CORRESP

Focus Impact Acquisition Corp. 1345 Avenue of the Americas, 33rd Floor New York, NY 10105 October 24, 2024

Focus Impact Acquisition Corp. 1345 Avenue of the Americas, 33rd Floor New York, NY 10105 October 24, 2024 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance Office of Real Estate & Construction 100 F Street, N.E. Washington, D.C. 20549 Attention: Benjamin Holt and Dorrie Yale Re: Focus Impact Acquisition Corp. Preliminary Proxy Statement on Schedule 14A Filed Octobe

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