Amphastar Pharmaceuticals, Inc.
US ˙ NasdaqGS ˙ US03209R1032

Introdução

Esta página fornece uma análise abrangente do histórico conhecido de negociações internas de Rong Zhou. Insiders são oficiais, diretores ou investidores significativos em uma empresa. É ilegal para insiders realizarem negociações em suas próprias empresas baseados em informações específicas, não públicas. Isso não significa que seja ilegal para eles realizarem qualquer negociação em suas próprias empresas. No entanto, eles devem reportar todas as negociações à SEC através de um Formulário 4. Apesar dessas restrições, pesquisas acadêmicas sugerem que insiders - em geral - tendem a superar o mercado em suas próprias empresas.

Rentabilidade Média de Negociação

A rentabilidade média de negociação é o retorno médio de todas as compras de mercado abertas feitas pelo insider nos últimos três anos. Para calcular isso, examinamos cada compra de mercado aberto, não planejada, feita pelo insider, excluindo todas as negociações que foram marcadas como parte de um plano de negociação 10b5-1. Em seguida, calculamos o desempenho médio dessas negociações ao longo de 3, 6 e 12 meses, fazendo a média de cada uma dessas durações para gerar uma métrica de desempenho final para cada negociação. Finalmente, fazemos a média de todas as métricas de desempenho para calcular uma métrica de desempenho para o insider. Esta lista inclui apenas insiders que fizeram pelo menos três negociações nos últimos dois anos.

Se a rentabilidade de negociação deste insider é "N/A", então o insider ou não fez quaisquer compras de mercado aberto nos últimos três anos, ou as negociações que eles fizeram são muito recentes para calcular uma métrica de desempenho confiável.

Frequência de Atualização: Diariamente

Veja a lista dos negociantes internos mais rentáveis.

Empresas com Posições Internas Reportadas

As declarações à SEC indicam que Rong Zhou reportou posses ou negociações nas seguintes empresas:

Ativo Título Últimas Posições Reportadas
US:AMPH / Amphastar Pharmaceuticals, Inc. SENIOR EVP, PRODUCTION CENTER 171,554
Como Interpretar os Gráficos

Os gráficos a seguir mostram o desempenho das ações dos a ativos ubsequentes a cada transação de mercado aberto, não planejada feita por Rong Zhou. Transações não planejadas são negociações que não foram feitas como parte de um plano de negociação 10b5-1. O desempenho das ações é representado como mudança percentual cumulativa no preço das ações. Por exemplo, se uma transação interna foi feita em 1 de janeiro de 2019, o gráfico mostrará a mudança percentual diária da segurança até o dia presente. Se o preço da ação passasse de $10 para $15 durante este período, a mudança percentual cumulativa no preço das ações seria de 50%. Uma mudança no preço de $10 para $20 seria de 100%, e uma mudança no preço de $10 para $5 seria de -50%.

Ultimamente, estamos tentando determinar quão estreitamente as negociações do interno correlacionam-se a retornos excessivos (positivos ou negativos) no preço da ação para ver se o interno está cronometrando suas transações para lucrar com informações internas. Considere a situação onde um interno estava fazendo isso. Nesta situação, esperaríamos (a) retornos positivos após compras, ou (b) retornos negativos após vendas. No caso de (a), o gráfico de COMPRA mostraria uma série de curvas ascendentes, indicando retornos positivos após cada transação de compra. No caso de (b), o gráfico de VENDA mostraria uma série de curvas descendentes, indicando retornos negativos após cada transação de venda.

No entanto, isso sozinho não é suficiente para tirar conclusões. Se, por exemplo, o preço da ação da empresa estivesse em uma escalada não cíclica ao longo de muitos anos, então esperaríamos que todos os gráficos pós-compra tivessem uma inclinação ascendente. Da mesma forma, declínios não cíclicos ao longo de muitos anos resultariam em gráficos pós-negociação inclinados para baixo. Nenhum desses gráficos sugeriria atividade de negociação interna.

O indicador mais forte seria uma situação em que o preço da ação fosse extremamente cíclico, e houvesse sinais positivos no gráfico de COMPRA e gráficos negativos no gráfico de VENDA. Esta situação seria altamente sugestiva de um interno que estava cronometrando transações para sua vantagem financeira.

Compras Internas AMPH / Amphastar Pharmaceuticals, Inc. - Análise de Lucro de Curto Prazo

Nesta seção, analisamos a lucratividade de cada compra interna de mercado aberto, não planejada, feita em AMPH / Amphastar Pharmaceuticals, Inc.. Esta análise ajuda a entender se o interno gera consistentemente retornos anormais, e vale a pena seguir. Esta análise é para um ano seguinte a cada transação, e os resultados são teóricos.

A tabela a seguir mostra as compras de mercado aberto mais recentes que não faziam parte de um plano de negociação automático.

Data de Negociação Ticker Insider Ações
Reportadas
Preço
Reportado
Ações
Ajustadas
Preço
Ajustado
Base de Custos Dias para
Máx
Preço em
Máx
Lucro
Máx ($)
Retorno Máx (%)
Não há negociações abertas de mercado não planejadas conhecidas para esta combinação de insider e ativo

O Preço Ajustado é o preço ajustado pela divisão. Ações Ajustadas são as ações ajustadas pela divisão.

AMPH / Amphastar Pharmaceuticals, Inc. Insider Trades
Vendas Internas AMPH / Amphastar Pharmaceuticals, Inc. - Análise de Perda de Curto Prazo

Nesta seção, analisamos a evitação de perdas de curto prazo de cada venda interna de mercado aberto, não planejada feita em AMPH / Amphastar Pharmaceuticals, Inc.. Um padrão consistente de evitação de perdas pode sugerir que transações futuras de venda possam prever declínios no preço. Esta análise é para um ano seguinte a cada transação, e os resultados são teóricos.

A tabela a seguir mostra as vendas de mercado aberto mais recentes que não faziam parte de um plano de negociação automático.

Data de Negociação Ticker Insider Ações
Reportadas
Preço
Reportado
Ações
Ajustadas
Preço
Ajustado
Base de Custos Dias para
Mín
Preço em
Mín
Máxima Perda
Evitada ($)
Máxima Perda
Evitada (%)
2025-12-17 AMPH Zhou Rong 9,787 26.1959 9,787 26.1959 256,379 149 16.8700 -91,272 -35.60
2024-12-13 AMPH Zhou Rong 8,000 45.2300 8,000 45.2300 361,840
2024-12-12 AMPH Zhou Rong 7,000 44.4250 7,000 44.4250 310,975
2024-11-12 AMPH Zhou Rong 6,893 48.8800 6,893 48.8800 336,930
2024-09-13 AMPH Zhou Rong 3,000 48.2615 3,000 48.2615 144,784
2024-08-26 AMPH Zhou Rong 4,000 48.3500 4,000 48.3500 193,400
2023-12-04 AMPH Zhou Rong 3,514 59.5800 3,514 59.5800 209,364
2023-12-01 AMPH Zhou Rong 4,316 58.5800 4,316 58.5800 252,831
2023-06-15 AMPH Zhou Rong 5,000 51.7893 5,000 51.7893 258,946
2023-06-13 AMPH Zhou Rong 5,000 48.2400 5,000 48.2400 241,200
2023-05-18 AMPH Zhou Rong 10,000 44.2050 10,000 44.2050 442,050
2021-06-09 AMPH Zhou Rong 4,732 19.5800 4,732 19.5800 92,653
2021-06-08 AMPH Zhou Rong 8,180 19.3370 8,180 19.3370 158,177
2021-05-14 AMPH Zhou Rong 17,419 19.7178 17,419 19.7178 343,464
2021-05-13 AMPH Zhou Rong 700 19.5800 700 19.5800 13,706
2020-06-04 AMPH Zhou Rong 9,806 19.1900 9,806 19.1900 188,177
2020-06-03 AMPH Zhou Rong 13,163 18.8162 13,163 18.8162 247,678
2016-06-15 AMPH Zhou Rong 1,551 15.8503 1,551 15.8503 24,584
2015-12-16 AMPH Zhou Rong 772 14.2901 772 14.2901 11,032
2015-06-17 AMPH Zhou Rong 1,000 16.4800 1,000 16.4800 16,480

O Preço Ajustado é o preço ajustado pela divisão. Ações Ajustadas são as ações ajustadas pela divisão.

AMPH / Amphastar Pharmaceuticals, Inc. Insider Trades
Histórico de Negociações Insider

Esta tabela mostra a lista completa de negociações insider realizadas por Rong Zhou conforme divulgadas para a Comissão de Valores Mobiliários (SEC).

Data do Arquivo Data da Transação Formulário Ticker Ativo Código 10b5-1 Ações Ações Restantes Variação
Percentual
Preço
da Ação
Valor
da Transação
Valor
Restante
2026-03-17 2026-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,225 171,554 -0.71 18.18 -22,270 3,118,852
2026-03-11 2026-03-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -2,215 172,779 -1.27 18.91 -41,886 3,267,251
2026-03-11 2026-03-09 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Srock
A - Award 39,432 174,994 29.09
2026-03-10 2026-03-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,357 135,562 -0.99 19.34 -26,244 2,621,769
2026-03-06 2026-03-04 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,124 136,919 -0.81 19.96 -22,435 2,732,903
2025-12-18 2025-12-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -9,787 138,043 -6.62 26.20 -256,379 3,616,161
2025-12-18 2025-12-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 9,787 147,830 7.09 11.33 110,887 1,674,914
2025-03-18 2025-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Srock
F - Taxes -1,967 137,497 -1.41 27.69 -54,466 3,807,292
2025-03-18 2025-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,222 139,464 -0.87 26.66 -32,579 3,718,110
2025-03-12 2025-03-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Srock
A - Award 24,692 140,686 21.29
2025-03-10 2025-03-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,354 115,994 -1.15 28.32 -38,345 3,284,950
2025-03-06 2025-03-04 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,121 117,348 -0.95 27.62 -30,962 3,241,152
2024-12-16 2024-12-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -8,000 118,469 -6.33 45.23 -361,840 5,358,353
2024-12-16 2024-12-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 8,000 126,469 6.75 11.33 90,640 1,432,894
2024-12-16 2024-12-12 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -7,000 118,469 -5.58 44.42 -310,975 5,262,985
2024-12-16 2024-12-12 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 7,000 125,469 5.91 11.33 79,310 1,421,564
2024-11-13 2024-11-12 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -6,893 118,388 -5.50 48.88 -336,930 5,786,805
2024-11-13 2024-11-12 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 6,893 125,281 5.82 14.95 103,050 1,872,951
2024-09-17 2024-09-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Srock
S - Sale -3,000 118,388 -2.47 48.26 -144,784 5,713,582
2024-09-17 2024-09-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Srock
M - Exercise 3,000 121,388 2.53 14.95 44,850 1,814,751
2024-08-27 2024-08-26 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Srock
S - Sale -4,000 118,388 -3.27 48.35 -193,400 5,724,060
2024-08-27 2024-08-26 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Srock
M - Exercise 4,000 122,388 3.38 14.95 59,800 1,829,701
2024-03-19 2024-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,961 118,016 -1.63 43.05 -84,421 5,080,589
2024-03-19 2024-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Srock
F - Taxes -2,355 119,977 -1.93 43.05 -101,383 5,165,010
2024-03-19 2024-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Srock
F - Taxes -1,219 122,332 -0.99 43.05 -52,478 5,266,393
2024-03-08 2024-03-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Srock
F - Taxes -1,390 123,551 -1.11 46.31 -64,371 5,721,647
2024-03-06 2024-03-04 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Srock
A - Award 12,521 124,941 11.14
2023-12-05 2023-12-04 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -3,514 112,420 -3.03 59.58 -209,364 6,697,984
2023-12-05 2023-12-04 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 3,514 115,934 3.13 16.19 56,892 1,876,971
2023-12-05 2023-12-01 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -4,316 112,420 -3.70 58.58 -252,831 6,585,564
2023-12-05 2023-12-01 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 4,316 116,736 3.84 14.40 62,150 1,680,998
2023-06-21 2023-06-20 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 9,651 112,341 9.40 11.33 109,346 1,272,824
2023-06-20 2023-06-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 1,171 102,690 1.15 16.19 18,958 1,662,551
2023-06-20 2023-06-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 4,631 101,519 4.78 14.95 69,233 1,517,709
2023-06-20 2023-06-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -5,000 96,888 -4.91 51.79 -258,946 5,017,762
2023-06-20 2023-06-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 13,575 101,888 15.37 14.40 195,480 1,467,187
2023-06-14 2023-06-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -5,000 88,313 -5.36 48.24 -241,200 4,260,219
2023-06-14 2023-06-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 5,000 93,313 5.66 14.40 72,000 1,343,707
2023-05-19 2023-05-18 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -10,000 87,598 -10.25 44.20 -442,050 3,872,270
2023-05-19 2023-05-18 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 10,000 97,598 11.42 14.40 144,000 1,405,411
2023-03-20 2023-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,901 87,598 -2.12 36.29 -68,987 3,178,931
2023-03-20 2023-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -2,283 89,499 -2.49 37.60 -85,841 3,365,162
2023-03-17 2023-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -2,057 91,782 -2.19 36.84 -75,780 3,381,249
2023-03-08 2023-03-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 15,129 93,839 19.22
2022-03-18 2022-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -2,447 77,583 -3.06 34.18 -83,638 2,651,787
2022-03-18 2022-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -2,283 80,030 -2.77 34.22 -78,124 2,738,627
2022-03-17 2022-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 31,516 31,516
2022-03-17 2022-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,652 82,313 -1.97 34.74 -57,390 2,859,554
2022-03-17 2022-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 13,658 83,965 19.43
2022-03-01 2022-02-25 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -7,000 0 -100.00
2022-03-01 2022-02-25 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -13,246 70,307 -15.85 28.77 -381,087 2,022,732
2022-03-01 2022-02-25 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 7,000 83,553 9.14 10.93 76,510 913,234
2022-02-09 2022-02-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -7,000 7,000 -50.00
2022-02-09 2022-02-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -7,000 76,553 -8.38 26.77 -187,390 2,049,324
2022-02-09 2022-02-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 7,000 83,553 9.14 10.93 76,510 913,234
2022-01-11 2022-01-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -14,000 14,000 -50.00
2022-01-11 2022-01-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -10,251 76,553 -11.81 25.77 -264,156 1,972,679
2022-01-11 2022-01-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -10,677 86,804 -10.95 24.96 -266,528 2,166,871
2022-01-11 2022-01-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 14,000 97,481 16.77 10.93 153,020 1,065,467
2021-11-12 2021-11-11 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -7,813 0 -100.00
2021-11-12 2021-11-11 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -7,813 83,121 -8.59 21.67 -169,308 1,801,232
2021-11-12 2021-11-11 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 7,813 90,934 9.40 10.48 81,880 952,988
2021-08-04 2021-08-02 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -6,000 7,813 -43.44
2021-08-04 2021-08-02 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -9,123 83,121 -9.89 21.24 -193,734 1,765,141
2021-08-04 2021-08-02 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 6,000 92,244 6.96 10.48 62,880 966,717
2021-07-27 2021-07-26 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -6,000 13,813 -30.28
2021-07-27 2021-07-26 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -6,000 86,244 -6.50 20.87 -125,220 1,799,912
2021-07-27 2021-07-26 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 6,000 92,244 6.96 10.48 62,880 966,717
2021-07-22 2021-07-20 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -5,187 19,813 -20.75
2021-07-22 2021-07-20 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -5,187 86,244 -5.67 20.57 -106,697 1,774,039
2021-07-22 2021-07-20 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 5,187 91,431 6.01 10.48 54,360 958,197
2021-06-10 2021-06-09 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -4,732 86,244 -5.20 19.58 -92,653 1,688,658
2021-06-10 2021-06-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -8,180 0 -100.00
2021-06-10 2021-06-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -8,180 90,976 -8.25 19.34 -158,177 1,759,203
2021-06-10 2021-06-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 8,180 99,156 8.99 14.23 116,401 1,410,990
2021-05-17 2021-05-14 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -11,120 8,180 -57.62
2021-05-17 2021-05-14 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -17,419 89,966 -16.22 19.72 -343,464 1,773,932
2021-05-17 2021-05-14 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 11,120 107,385 11.55 14.23 158,238 1,528,089
2021-05-17 2021-05-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -700 19,300 -3.50
2021-05-17 2021-05-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -700 96,265 -0.72 19.58 -13,706 1,884,869
2021-05-17 2021-05-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 700 96,965 0.73 14.23 9,961 1,379,812
2021-03-18 2021-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 51,621 51,621
2021-03-18 2021-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 21,984 96,265 29.60
2021-03-18 2021-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -3,303 74,281 -4.26 18.44 -60,907 1,369,742
2021-03-17 2021-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,652 77,584 -2.08 19.15 -31,636 1,485,734
2020-06-05 2020-06-04 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -8,918 0 -100.00
2020-06-05 2020-06-04 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -9,806 79,236 -11.01 19.19 -188,177 1,520,539
2020-06-05 2020-06-04 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 8,918 89,042 11.13 11.41 101,754 1,015,969
2020-06-05 2020-06-03 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -11,082 8,918 -55.41
2020-06-05 2020-06-03 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -13,163 80,124 -14.11 18.82 -247,678 1,507,629
2020-06-05 2020-06-03 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 11,082 93,287 13.48 11.41 126,446 1,064,405
2020-03-18 2020-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -992 80,891 -1.21 14.50 -14,384 1,172,920
2020-03-18 2020-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 61,822 61,822
2020-03-18 2020-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 26,400 81,883 47.58
2020-03-18 2020-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,020 55,483 -1.81 13.03 -13,291 722,943
2020-03-17 2020-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,653 56,503 -2.84 14.19 -23,456 801,778
2019-06-17 2019-06-14 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -204 58,156 -0.35 19.82 -4,043 1,152,652
2019-05-07 2019-05-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -9,600 0 -100.00
2019-05-07 2019-05-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -9,600 57,107 -14.39 22.76 -218,496 1,299,755
2019-05-07 2019-05-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 9,600 66,707 16.81 20.26 194,496 1,351,484
2019-03-28 2019-03-26 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -814 57,107 -1.41 20.54 -16,720 1,172,978
2019-03-18 2019-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,510 57,921 -2.54 20.23 -30,547 1,171,742
2019-03-18 2019-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,553 59,431 -2.55 20.23 -31,417 1,202,289
2019-03-18 2019-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 22,541 22,541
2019-03-18 2019-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,179 60,984 -1.90 20.23 -23,851 1,233,706
2019-03-18 2019-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 10,133 62,163 19.48
2019-03-04 2019-03-01 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -3,200 6,400 -33.33
2019-03-04 2019-03-01 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -3,200 52,030 -5.79 25.00 -80,000 1,300,750
2019-03-04 2019-03-01 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 3,200 55,230 6.15 20.26 64,832 1,118,960
2019-03-04 2019-02-05 4/A AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -3,200 9,600 -25.00
2019-02-07 2019-02-05 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -3,200 12,800 -20.00
2019-02-07 2019-02-05 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -4,289 52,030 -7.62 23.00 -98,647 1,196,690
2019-02-07 2019-02-05 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 3,200 56,319 6.02 20.26 64,832 1,141,023
2018-12-06 2018-12-03 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -1,089 53,119 -2.01 22.00 -23,958 1,168,618
2018-11-13 2018-11-09 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -1,089 53,303 -2.00 21.00 -22,869 1,119,363
2018-11-13 2018-11-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -1,084 54,392 -1.95 20.00 -21,680 1,087,840
2018-06-18 2018-06-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -134 55,476 -0.24 16.88 -2,262 936,435
2018-03-28 2018-03-26 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -535 54,434 -0.97 18.61 -9,956 1,013,017
2018-03-20 2018-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -969 54,969 -1.73 19.91 -19,293 1,094,433
2018-03-20 2018-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,128 55,938 -1.98 19.91 -22,458 1,113,726
2018-03-16 2018-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 20,827 20,827
2018-03-16 2018-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 8,969 57,066 18.65
2017-06-16 2017-06-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -146 48,096 -0.30 16.18 -2,362 778,193
2017-03-28 2017-03-26 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -568 46,972 -1.19 13.76 -7,816 646,335
2017-03-20 2017-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,248 47,540 -2.56 13.75 -17,160 653,675
2017-03-20 2017-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 29,424 29,424
2017-03-20 2017-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 11,797 48,788 31.89
2016-12-07 2016-12-05 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -61 36,991 -0.16 20.70 -1,262 765,547
2016-06-17 2016-06-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -146 36,991 -0.39 15.76 -2,301 582,978
2016-06-17 2016-06-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -1,551 37,137 -4.01 15.85 -24,584 588,633
2016-03-29 2016-03-26 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -568 37,137 -1.51 11.96 -6,793 444,159
2016-03-21 2016-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 34,438 34,438
2016-03-21 2016-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 11,473 37,705 43.74
2015-12-17 2015-12-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -772 25,460 -2.94 14.29 -11,032 363,826
2015-06-19 2015-06-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -1,000 26,232 -3.67 16.48 -16,480 432,303
2015-06-17 2015-06-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 4,685 4,685
2015-06-17 2015-06-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 1,544 27,232 6.01
2015-06-17 3 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
156,044
2015-06-17 3 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
230,024
2015-06-17 3 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
135,356
2015-06-17 3 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
156,044
2015-06-17 3 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
230,024
2015-06-17 3 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
135,356
P
Compra de mercado aberto ou privada de ativo não-derivativo ou derivativo
S
Venda de mercado aberto ou privada de ativo não-derivativo ou derivativo
A
Concessão, premiação, ou outra aquisição de ativos da empresa (como uma opção)
C
Conversão de derivativo
D
Venda ou transferência de ativos de volta para a empresa
F
Pagamento do preço de exercício ou responsabilidade fiscal utilizando parte dos ativos recebidos da empresa
G
Doação de ativos pelo ou para o insider
K
Swaps de capital e transações de hedge similares
M
Exercício ou conversão de ativo derivativo recebido da empresa (como uma opção)
V
Uma transação voluntariamente reportada no Formulário 4
J
Outro (acompanhado de uma nota explicativa descrevendo a transação)