Introdução

Esta página fornece uma análise abrangente do histórico conhecido de negociações internas de Yun-Lung Chen. 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 Yun-Lung Chen reportou posses ou negociações nas seguintes empresas:

Ativo Título Últimas Posições Reportadas
US:AMBA / Ambarella, Inc. VP, Business Development and M 76,371
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 Yun-Lung Chen. 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.

Histórico de Negociações Insider

Esta tabela mostra a lista completa de negociações insider realizadas por Yun-Lung Chen 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
2026-03-19 2026-03-18 4 AMBA AMBARELLA INC
Ordinary Shares
A - Award 2,849 76,371 3.88
2026-03-19 2026-03-17 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 4,651 73,522 6.75
2026-03-04 2026-03-02 4 AMBA AMBARELLA INC
Ordinary Shares
A - Award 7,220 68,871 11.71
2025-09-12 2025-09-10 4 AMBA AMBARELLA INC
Ordinary Shares
S - Sale -8,492 61,651 -12.11 84.42 -716,895 5,204,577
2025-03-07 2025-03-05 4 AMBA AMBARELLA INC
Ordinary Shares
A - Award 2,249 70,143 3.31
2025-03-07 2025-02-28 4 AMBA AMBARELLA INC
Ordinary Shares
A - Award 5,868 67,894 9.46
2024-09-05 2024-09-03 4 AMBA AMBARELLA INC
Ordinary Shares
S - Sale -5,963 62,026 -8.77 57.56 -343,220 3,570,111
2024-09-05 2024-09-03 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 5,963 67,989 9.61 38.92 232,080 2,646,132
2024-03-11 2024-03-07 4 AMBA AMBARELLA INC
Ordinary Shares
A - Award 726 62,026 1.18
2024-03-04 2024-02-29 4 AMBA AMBARELLA INC
Ordinary Shares
A - Award 7,740 61,300 14.45
2023-06-20 2023-06-15 4 AMBA AMBARELLA INC
Ordinary Shares
A - Award 8,859 53,560 19.82
2023-06-06 2023-06-05 4 AMBA AMBARELLA INC
Ordinary Shares
S - Sale -8,984 44,701 -16.73 76.80 -689,971 3,433,037
2023-03-17 2023-03-15 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 7,344 53,685 15.85
2023-03-10 2023-03-08 4 AMBA AMBARELLA INC
Ordinary Shares
A - Award 903 46,341 1.99
2022-12-20 2022-12-16 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 1,383 45,438 3.14
2022-09-20 2022-09-16 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 1,385 44,055 3.25
2022-06-17 2022-06-16 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 1,383 42,670 3.35
2022-04-19 2022-04-11 4 AMBA AMBARELLA INC
Performance Stock Units
A - Award 4,551 4,551
2022-04-19 2022-04-11 4 AMBA AMBARELLA INC
Restricted Stock Units
A - Award 4,551 4,551
2022-03-31 2022-03-29 4 AMBA AMBARELLA INC
Ordinary Shares
S - Sale -8,000 41,287 -16.23 104.22 -833,760 4,302,931
2022-03-18 2022-03-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -294 2,348 -11.13
2022-03-18 2022-03-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -712 2,846 -20.01
2022-03-18 2022-03-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -708 0 -100.00
2022-03-18 2022-03-16 4 AMBA AMBARELLA INC
Performance Stock Units
M - Exercise -8,492 0 -100.00
2022-03-18 2022-03-16 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 18,698 49,287 61.13
2022-03-10 2022-03-08 4 AMBA AMBARELLA INC
Ordinary Shares
A - Award 1,975 30,589 6.90
2022-03-04 2022-03-03 4 AMBA AMBARELLA INC
Non-Qualified Stock Option (right to buy)
M - Exercise -5,241 0 -100.00
2022-03-04 2022-03-03 4 AMBA AMBARELLA INC
Ordinary Shares
S - Sale -14,000 28,614 -32.85 97.14 -1,360,027 2,779,701
2022-03-04 2022-03-03 4 AMBA AMBARELLA INC
Ordinary Shares
S - Sale -5,241 42,614 -10.95 96.31 -504,769 4,104,218
2022-03-04 2022-03-03 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 5,241 47,855 12.30 9.99 52,358 478,071
2021-12-17 2021-12-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -293 2,642 -9.98
2021-12-17 2021-12-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -711 3,558 -16.65
2021-12-17 2021-12-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -708 708 -50.00
2021-12-17 2021-12-16 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 1,712 42,614 4.19
2021-12-07 2021-12-03 4 AMBA AMBARELLA INC
Ordinary Shares
S - Sale -1,500 40,902 -3.54 199.04 -298,562 8,141,183
2021-12-07 2021-12-03 4 AMBA AMBARELLA INC
Ordinary Shares
S - Sale -10,500 42,402 -19.85 198.22 -2,081,347 8,405,073
2021-12-07 2021-12-03 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 1,713 52,902 3.35
2021-09-17 2021-09-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -294 2,935 -9.10
2021-09-17 2021-09-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -712 4,269 -14.29
2021-09-17 2021-09-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -707 1,416 -33.30
2021-06-30 2021-06-28 4 AMBA AMBARELLA INC
Ordinary Shares
S - Sale -5,951 51,189 -10.41 104.09 -619,429 5,328,176
2021-06-17 2021-06-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -293 3,229 -8.32
2021-06-17 2021-06-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -711 4,981 -12.49
2021-06-17 2021-06-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -708 2,123 -25.01
2021-06-17 2021-06-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,279 0 -100.00
2021-06-17 2021-06-16 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 2,991 57,140 5.52
2021-03-31 2021-03-04 4 AMBA AMBARELLA INC
Performance Stock Units
A - Award 3,522 3,522
2021-03-31 2021-03-04 4 AMBA AMBARELLA INC
Restricted Stock Units
A - Award 3,522 3,522
2021-03-16 2021-03-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -712 5,692 -11.12
2021-03-16 2021-03-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -708 2,831 -20.01
2021-03-16 2021-03-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,278 1,279 -49.98
2021-03-16 2021-03-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -13,148 0 -100.00
2021-03-16 2021-03-16 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 14,203 54,149 35.56
2021-03-16 2021-03-12 4 AMBA AMBARELLA INC
Non-Qualified Stock Option (right to buy)
M - Exercise -2,362 0 -100.00
2021-03-16 2021-03-12 4 AMBA AMBARELLA INC
Non-Qualified Stock Option (right to buy)
M - Exercise -5,927 0 -100.00
2021-03-16 2021-03-12 4 AMBA AMBARELLA INC
Ordinary Shares
S - Sale -2,837 39,946 -6.63 113.13 -320,958 4,519,211
2021-03-16 2021-03-12 4 AMBA AMBARELLA INC
Ordinary Shares
S - Sale -5,452 42,783 -11.30 111.60 -608,455 4,774,677
2021-03-16 2021-03-12 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 8,289 48,235 20.75 8.82 73,109 425,433
2021-03-11 2021-03-09 4 AMBA AMBARELLA INC
Ordinary Shares
A - Award 875 39,946 2.24
2020-12-18 2020-12-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -711 6,404 -9.99
2020-12-18 2020-12-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -707 3,539 -16.65
2020-12-18 2020-12-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,278 2,557 -33.32
2020-12-18 2020-12-16 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 2,696 39,071 7.41
2020-12-11 2020-12-09 4 AMBA AMBARELLA INC
Ordinary Shares
S - Sale -6,027 36,375 -14.21 89.16 -537,373 3,243,228
2020-09-18 2020-09-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -712 7,115 -9.10
2020-09-18 2020-09-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -708 4,246 -14.29
2020-09-18 2020-09-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,279 3,835 -25.01
2020-09-18 2020-09-16 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 2,699 42,402 6.80
2020-06-18 2020-06-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -711 7,827 -8.33
2020-06-18 2020-06-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -708 4,954 -12.50
2020-06-18 2020-06-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,278 5,114 -19.99
2020-06-18 2020-06-16 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 2,697 39,703 7.29
2020-06-08 2020-06-05 4 AMBA AMBARELLA INC
Non-Qualified Stock Option (right to buy)
M - Exercise -5,555 0 -100.00
2020-06-08 2020-06-05 4 AMBA AMBARELLA INC
Ordinary Shares
S - Sale -5,555 37,006 -13.05 55.82 -310,091 2,065,745
2020-06-08 2020-06-05 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 5,555 42,561 15.01 8.82 48,995 375,388
2020-03-30 2020-03-27 4 AMBA AMBARELLA INC
Ordinary Shares
A - Award 2,496 37,006 7.23
2020-03-27 2020-03-25 4 AMBA AMBARELLA INC
Performance Stock Units
A - Award 8,538 8,538
2020-03-27 2020-03-25 4 AMBA AMBARELLA INC
Restricted Stock Units
A - Award 8,538 8,538
2020-03-19 2020-03-17 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -707 5,662 -11.10
2020-03-19 2020-03-17 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,278 6,392 -16.66
2020-03-19 2020-03-17 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -3,984 0 -100.00
2020-03-19 2020-03-17 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 4,973 34,510 16.84
2019-12-19 2019-12-17 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -708 6,369 -10.00
2019-12-19 2019-12-17 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,279 7,670 -14.29
2019-12-19 2019-12-17 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 1,987 29,537 7.21
2019-09-18 2019-09-17 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -883 0 -100.00
2019-09-18 2019-09-17 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -354 0 -100.00
2019-09-18 2019-09-17 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -708 7,077 -9.09
2019-09-18 2019-09-17 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,278 8,949 -12.50
2019-09-18 2019-09-17 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -930 0 -100.00
2019-09-18 2019-09-17 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 4,153 27,550 17.75
2019-09-11 2019-09-09 4 AMBA AMBARELLA INC
Ordinary Shares
S - Sale -5,734 23,397 -19.68 64.80 -371,563 1,516,126
2019-06-19 2019-06-18 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -883 883 -50.00
2019-06-19 2019-06-18 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -353 354 -49.93
2019-06-19 2019-06-18 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -707 7,785 -8.33
2019-06-19 2019-06-18 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,278 10,227 -11.11
2019-06-19 2019-06-18 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -929 930 -49.97
2019-06-19 2019-06-18 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 4,150 29,131 16.61
2019-03-20 2019-03-19 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -882 1,766 -33.31
2019-03-20 2019-03-19 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -353 707 -33.30
2019-03-20 2019-03-19 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,279 11,505 -10.00
2019-03-20 2019-03-19 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -930 1,859 -33.35
2019-03-20 2019-03-19 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 3,444 24,981 15.99
2019-03-11 2019-03-08 4 AMBA AMBARELLA INC
Non-Qualified Stock Option (right to buy)
M - Exercise -2,037 0 -100.00
2019-03-11 2019-03-08 4 AMBA AMBARELLA INC
Ordinary Shares
S - Sale -6,320 21,191 -22.97 41.28 -260,861 874,669
2019-03-11 2019-03-08 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 2,037 27,511 8.00 3.20 6,518 88,035
2019-03-11 2019-03-07 4 AMBA AMBARELLA INC
Performance Stock Units
A - Award 8,492 8,492
2019-03-11 2019-03-07 4 AMBA AMBARELLA INC
Restricted Stock Units
A - Award 8,492 8,492
2019-03-04 2019-03-04 4 AMBA AMBARELLA INC
Restricted Stock Units
A - Award 13,148 13,148
2018-12-20 2018-12-18 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -883 2,648 -25.01
2018-12-20 2018-12-18 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -353 1,060 -24.98
2018-12-20 2018-12-18 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,278 12,784 -9.09
2018-12-20 2018-12-18 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -929 2,789 -24.99
2018-12-20 2018-12-18 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 3,443 25,474 15.63
2018-09-20 2018-09-18 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -882 3,531 -19.99
2018-09-20 2018-09-18 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -354 1,413 -20.03
2018-09-20 2018-09-18 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,160 0 -100.00
2018-09-20 2018-09-18 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,278 14,062 -8.33
2018-09-20 2018-09-18 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -930 3,718 -20.01
2018-09-20 2018-09-18 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 4,604 22,031 26.42
2018-06-20 2018-06-18 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -883 4,413 -16.67
2018-06-20 2018-06-18 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -353 1,767 -16.65
2018-06-20 2018-06-18 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,159 1,160 -49.98
2018-06-20 2018-06-18 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -929 4,648 -16.66
2018-06-20 2018-06-18 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 3,324 17,193 23.97
2018-06-11 2018-06-07 4 AMBA AMBARELLA INC
Restricted Stock Units
A - Award 15,340 15,340
2018-03-20 2018-03-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -882 5,296 -14.28
2018-03-20 2018-03-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -353 2,120 -14.27
2018-03-20 2018-03-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,160 2,319 -33.34
2018-03-20 2018-03-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -930 5,577 -14.29
2018-03-20 2018-03-16 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 3,325 13,869 31.53
2018-02-28 2018-02-26 4 AMBA AMBARELLA INC
Restricted Stock Units
A - Award 3,984 3,984
2018-01-03 2017-12-29 4 AMBA AMBARELLA INC
Ordinary Shares
S - Sale -4,435 10,275 -30.15 59.80 -265,213 614,445
2017-12-20 2017-12-18 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -883 6,178 -12.51
2017-12-20 2017-12-18 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -353 2,473 -12.49
2017-12-20 2017-12-18 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,159 3,479 -24.99
2017-12-20 2017-12-18 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -929 6,507 -12.49
2017-12-20 2017-12-18 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 3,324 14,710 29.19
2017-12-13 2017-12-11 4 AMBA AMBARELLA INC
Ordinary Shares
S - Sale -11,340 11,386 -49.90 59.80 -678,132 680,883
2017-09-20 2017-09-18 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -883 7,061 -11.12
2017-09-20 2017-09-18 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -354 2,826 -11.13
2017-09-20 2017-09-18 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,159 4,638 -19.99
2017-09-20 2017-09-18 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,313 0 -100.00
2017-09-20 2017-09-18 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -930 7,436 -11.12
2017-09-20 2017-09-18 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 4,639 22,726 25.65
2017-06-20 2017-06-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -882 7,944 -9.99
2017-06-20 2017-06-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -353 3,180 -9.99
2017-06-20 2017-06-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,160 5,797 -16.67
2017-06-20 2017-06-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,312 1,313 -49.98
2017-06-20 2017-06-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -929 8,366 -9.99
2017-06-20 2017-06-16 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 4,636 17,863 35.05
2017-03-30 2017-03-28 4 AMBA AMBARELLA INC
Restricted Stock Units
A - Award 9,295 9,295
2017-03-17 2017-03-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -883 8,826 -9.09
2017-03-17 2017-03-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -353 3,533 -9.08
2017-03-17 2017-03-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,159 6,957 -14.28
2017-03-17 2017-03-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,313 2,625 -33.34
2017-03-17 2017-03-16 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 3,708 13,227 38.95
2017-03-14 2017-03-13 4 AMBA AMBARELLA INC
Ordinary Shares
S - Sale -7,898 9,338 -45.82 55.16 -435,654 515,084
2016-12-16 2016-12-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -882 9,709 -8.33
2016-12-16 2016-12-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -353 3,886 -8.33
2016-12-16 2016-12-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,159 8,116 -12.50
2016-12-16 2016-12-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,312 3,938 -24.99
2016-12-16 2016-12-16 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 3,706 17,236 27.39
2016-10-03 2016-09-30 4 AMBA AMBARELLA INC
Ordinary Shares
S - Sale -4,197 13,530 -23.68 74.19 -311,375 1,003,791
2016-09-20 2016-09-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -883 10,591 -7.70
2016-09-20 2016-09-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -354 4,239 -7.71
2016-09-20 2016-09-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,160 9,275 -11.12
2016-09-20 2016-09-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,313 5,250 -20.01
2016-09-20 2016-09-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -487 0 -100.00
2016-09-20 2016-09-16 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 4,197 17,727 31.02
2016-06-20 2016-06-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -882 11,474 -7.14
2016-06-20 2016-06-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -353 4,593 -7.14
2016-06-20 2016-06-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,159 10,435 -10.00
2016-06-20 2016-06-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,312 6,563 -16.66
2016-06-20 2016-06-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -486 487 -49.95
2016-06-20 2016-06-16 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 4,192 13,239 46.34
2016-03-18 2016-03-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -353 4,946 -6.66
2016-03-18 2016-03-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,160 11,594 -9.10
2016-03-18 2016-03-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,313 7,875 -14.29
2016-03-18 2016-03-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,125 0 -100.00
2016-03-18 2016-03-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -486 973 -33.31
2016-03-18 2016-03-16 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 4,437 9,047 96.25
2016-03-09 2016-03-07 4 AMBA AMBARELLA INC
Restricted Stock Units
A - Award 12,356 12,356
2015-12-18 2015-12-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -353 5,299 -6.25
2015-12-18 2015-12-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,159 12,754 -8.33
2015-12-18 2015-12-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,312 9,188 -12.50
2015-12-18 2015-12-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,125 1,125 -50.00
2015-12-18 2015-12-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -486 1,459 -24.99
2015-12-18 2015-12-16 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 4,435 4,435
2015-10-13 2015-10-08 4 AMBA AMBARELLA INC
Restricted Stock Units
A - Award 5,652 5,652
2015-09-21 2015-09-17 4 AMBA AMBARELLA INC
Ordinary Shares
S - Sale -4,083 0 -100.00 74.80 -305,408
2015-09-21 2015-09-17 4 AMBA AMBARELLA INC
Ordinary Shares
S - Sale -1,656 4,083 -28.86 71.80 -118,901 293,159
2015-09-16 2015-09-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,159 13,913 -7.69
2015-09-16 2015-09-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,313 10,500 -11.11
2015-09-16 2015-09-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,125 2,250 -33.33
2015-09-16 2015-09-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -486 1,945 -19.99
2015-09-16 2015-09-16 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 4,083 5,739 246.56
2015-09-16 2015-09-14 4 AMBA AMBARELLA INC
Non-Qualified Stock Option (right to buy)
M - Exercise -1,987 5,963 -24.99
2015-09-16 2015-09-14 4 AMBA AMBARELLA INC
Non-Qualified Stock Option (right to buy)
M - Exercise -6,334 5,241 -54.72
2015-09-16 2015-09-14 4 AMBA AMBARELLA INC
Ordinary Shares
S - Sale -8,321 1,494 -84.78 68.80 -572,485 102,787
2015-09-16 2015-09-14 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 1,987 9,815 25.38 38.92 77,334 382,000
2015-09-16 2015-09-14 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 6,334 7,828 423.96 9.99 63,277 78,202
2015-09-09 2015-09-04 4 AMBA AMBARELLA INC
Ordinary Shares
S - Sale -6,520 1,494 -81.36 70.25 -458,030 104,954
2015-06-18 2015-06-18 4 AMBA AMBARELLA INC
Ordinary Shares
S - Sale -1,646 8,014 -17.04 125.04 -205,816 1,002,071
2015-06-18 2015-06-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,160 15,072 -7.15
2015-06-18 2015-06-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,312 11,813 -10.00
2015-06-18 2015-06-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,125 3,375 -25.00
2015-06-18 2015-06-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -486 2,431 -16.66
2015-06-18 2015-06-16 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 4,083 9,660 73.21
2015-03-19 2015-03-17 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,159 16,232 -6.66
2015-03-19 2015-03-17 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,313 13,125 -9.09
2015-03-19 2015-03-17 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,125 4,500 -20.00
2015-03-19 2015-03-17 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -486 2,917 -14.28
2015-03-19 2015-03-17 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 4,083 5,577 273.29
2015-03-10 2015-03-06 4 AMBA AMBARELLA INC
Ordinary Shares
S - Sale -11,729 1,131 -91.21 63.43 -743,946 71,737
2014-12-18 2014-12-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,159 17,391 -6.25
2014-12-18 2014-12-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,312 14,438 -8.33
2014-12-18 2014-12-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,125 5,625 -16.67
2014-12-18 2014-12-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -487 3,403 -12.52
2014-12-18 2014-12-16 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 4,083 12,860 46.52
2014-09-17 2014-09-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,125 6,750 -14.29
2014-09-17 2014-09-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,313 15,750 -7.70
2014-09-17 2014-09-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -486 3,890 -11.11
2014-09-17 2014-09-16 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 2,924 8,777 49.96
2014-09-10 2014-09-08 4 AMBA AMBARELLA INC
Restricted Stock Units
A - Award 18,550 18,550
2014-09-10 2014-09-08 4 AMBA AMBARELLA INC
Non-Qualified Stock Option (right to buy)
A - Award 7,950 7,950
2014-06-18 2014-06-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,125 7,875 -12.50
2014-06-18 2014-06-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,312 17,063 -7.14
2014-06-18 2014-06-16 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -486 4,376 -10.00
2014-06-18 2014-06-16 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 2,923 5,448 115.76
2014-03-19 2014-03-17 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -1,313 18,375 -6.67
2014-03-19 2014-03-17 4 AMBA AMBARELLA INC
Restricted Stock Units
M - Exercise -486 4,862 -9.09
2014-03-19 2014-03-17 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 1,313 2,525 108.33
2014-03-19 2014-03-17 4 AMBA AMBARELLA INC
Ordinary Shares
M - Exercise 486 1,212 66.94
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)