Amphastar Pharmaceuticals, Inc.
US ˙ NasdaqGS ˙ US03209R1032

Introdução

Esta página fornece uma análise abrangente do histórico conhecido de negociações internas de William J Peters. 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 William J Peters reportou posses ou negociações nas seguintes empresas:

Ativo Título Últimas Posições Reportadas
US:AMPH / Amphastar Pharmaceuticals, Inc. CFO, EVP & TREASURER, Director 175,063
US:HITK / Hi-Tech Pharmacal Co. EVP & Chief Financial Officer 0
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 William J Peters. 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 (%)
2022-03-16 AMPH PETERS WILLIAM J 47,017 33.9288 47,017 33.9288 1,595,230 237 27.2800 -312,606 -19.60
2022-03-16 AMPH PETERS WILLIAM J 3,760 34.3609 3,760 34.3609 129,197
2021-07-07 AMPH PETERS WILLIAM J 10,000 20.3739 10,000 20.3739 203,739
2019-08-15 AMPH PETERS WILLIAM J 4,942 21.0000 4,942 21.0000 103,782
2017-05-30 AMPH PETERS WILLIAM J 4,297 16.9259 4,297 16.9259 72,731

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 William J Peters 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 -1,973 175,063 -1.11 18.18 -35,869 3,182,645
2026-03-11 2026-03-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -3,297 177,036 -1.83 18.91 -62,346 3,347,751
2026-03-11 2026-03-09 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 58,693 180,333 48.25
2026-03-10 2026-03-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -2,146 121,640 -1.73 19.34 -41,504 2,352,518
2026-03-06 2026-03-04 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,744 123,786 -1.39 19.96 -34,810 2,470,769
2025-05-20 2025-05-19 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -273 124,985 -0.22 24.79 -6,768 3,098,378
2025-03-18 2025-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -3,004 125,258 -2.34 27.69 -83,181 3,468,394
2025-03-18 2025-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,968 128,262 -1.51 26.66 -52,467 3,419,465
2025-03-12 2025-03-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 36,747 130,230 39.31
2025-03-10 2025-03-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -2,141 93,483 -2.24 28.32 -60,633 2,647,439
2025-03-06 2025-03-04 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,739 95,624 -1.79 27.62 -48,031 2,641,135
2025-03-06 2025-03-04 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -4,231 97,363 -4.16 27.54 -116,515 2,681,231
2025-03-06 2025-03-04 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 7,490 101,594 7.96 13.35 99,992 1,356,280
2024-11-08 2024-11-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -7,426 94,103 -7.31 52.05 -386,523 4,898,061
2024-11-08 2024-11-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 7,426 101,529 7.89 13.03 96,761 1,322,923
2024-08-02 2024-07-31 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -10,282 94,103 -9.85 44.23 -454,773 4,162,176
2024-08-02 2024-07-31 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 10,282 104,385 10.93 20.23 208,005 2,111,709
2024-06-28 2024-06-27 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -635 94,103 -0.67 41.29 -26,222 3,885,946
2024-06-28 2024-06-27 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -2,961 94,738 -3.03 40.85 -120,947 3,869,735
2024-05-21 2024-05-19 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -387 97,268 -0.40 43.48 -16,827 4,229,213
2024-03-19 2024-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -4,255 97,655 -4.18 43.05 -183,178 4,204,048
2024-03-19 2024-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -5,105 101,910 -4.77 43.05 -219,770 4,387,226
2024-03-19 2024-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -2,285 107,015 -2.09 43.05 -98,369 4,606,996
2024-03-08 2024-03-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -2,190 109,300 -1.96 46.31 -101,419 5,061,683
2024-03-08 2024-03-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -51 111,490 -0.05 48.00 -2,448 5,351,520
2024-03-08 2024-03-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -4,681 111,541 -4.03 46.98 -219,896 5,239,772
2024-03-08 2024-03-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -13,404 116,222 -10.34 46.30 -620,540 5,380,509
2024-03-08 2024-03-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 8,826 129,626 7.31 11.33 99,999 1,468,663
2024-03-06 2024-03-04 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 19,440 120,800 19.18
2023-11-16 2023-11-14 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -14,868 101,360 -12.79 56.53 -840,548 5,730,286
2023-11-16 2023-11-14 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -30,162 116,228 -20.60 55.67 -1,679,203 6,470,738
2023-11-16 2023-11-14 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -14,220 146,390 -8.85 54.76 -778,724 8,016,697
2023-11-16 2023-11-14 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 38,000 160,610 30.99 13.03 495,140 2,092,748
2023-11-16 2023-11-14 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 21,250 122,610 20.96 20.23 429,888 2,480,400
2023-09-08 2023-09-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -59 101,360 -0.06 52.26 -3,083 5,297,134
2023-09-08 2023-09-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -60,684 101,419 -37.44 51.75 -3,140,112 5,247,957
2023-09-08 2023-09-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 25,250 162,103 18.45 13.03 329,008 2,112,202
2023-09-08 2023-09-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 21,250 136,853 18.38 20.23 429,888 2,768,536
2023-09-08 2023-09-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 10,000 115,603 9.47 19.79 197,900 2,287,783
2023-06-20 2023-06-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -13,000 105,603 -10.96 52.79 -686,270 5,574,782
2023-06-20 2023-06-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -12,000 118,603 -9.19 50.79 -609,480 6,023,846
2023-06-20 2023-06-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -11,868 130,603 -8.33 48.79 -579,040 6,372,120
2023-06-20 2023-06-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 36,868 142,471 34.91 19.79 729,618 2,819,501
2023-06-05 2023-06-02 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -11,000 105,603 -9.43 46.35 -509,859 4,894,784
2023-06-05 2023-06-02 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 11,000 116,603 10.42 13.35 146,850 1,556,650
2023-05-22 2023-05-19 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -378 104,770 -0.36 44.16 -16,692 4,626,643
2023-05-22 2023-05-18 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -10,500 105,148 -9.08 44.35 -465,675 4,663,314
2023-05-22 2023-05-18 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 10,500 115,648 9.99 13.35 140,175 1,543,901
2023-04-18 2023-04-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -5,632 105,148 -5.08 42.35 -238,515 4,453,018
2023-04-18 2023-04-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 5,632 110,780 5.36 13.35 75,187 1,478,913
2023-04-14 2023-04-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -4,868 105,148 -4.42 42.35 -206,160 4,453,018
2023-04-14 2023-04-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 4,868 110,016 4.63 13.35 64,988 1,468,714
2023-04-12 2023-04-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -10,032 105,148 -8.71 40.35 -404,791 4,242,722
2023-04-12 2023-04-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 10,032 115,180 9.54 13.35 133,927 1,537,653
2023-03-20 2023-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -4,162 105,148 -3.81 36.29 -151,039 3,815,821
2023-03-20 2023-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -4,995 109,310 -4.37 37.60 -187,812 4,110,056
2023-03-17 2023-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -4,146 114,305 -3.50 36.84 -152,739 4,210,996
2023-03-17 2023-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -12,776 118,451 -9.74 36.43 -465,472 4,315,561
2023-03-17 2023-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 6,688 131,227 5.37 14.95 99,986 1,961,844
2023-03-08 2023-03-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 23,925 124,539 23.78
2023-03-03 2023-03-01 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -10,974 100,614 -9.83 36.33 -398,685 3,655,307
2023-03-03 2023-03-01 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 10,974 111,588 10.91 11.33 124,335 1,264,292
2022-08-10 2022-08-09 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -10,000 100,480 -9.05 38.35 -383,500 3,853,408
2022-08-10 2022-08-09 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 10,000 110,480 9.95 13.35 133,500 1,474,908
2022-07-01 2022-06-30 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -18,386 100,480 -15.47 34.95 -642,591 3,511,776
2022-07-01 2022-06-30 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 18,386 118,866 18.30 14.95 274,871 1,777,047
2022-06-22 2022-06-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -5,512 100,480 -5.20 32.05 -176,682 3,220,786
2022-05-20 2022-05-19 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -378 104,609 -0.36 33.70 -12,739 3,525,323
2022-03-18 2022-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -4,162 104,987 -3.81 34.18 -142,257 3,588,456
2022-03-18 2022-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -50,777 0 -100.00
2022-03-18 2022-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -4,995 109,149 -4.38 34.22 -170,929 3,735,079
2022-03-18 2022-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -3,760 114,144 -3.19 34.36 -129,197 3,922,091
2022-03-18 2022-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -47,017 117,904 -28.51 33.93 -1,595,230 4,000,341
2022-03-18 2022-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 50,777 164,921 44.49 14.40 731,189 2,374,862
2022-03-17 2022-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 50,743 50,743
2022-03-17 2022-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -5,989 114,144 -4.99 34.74 -208,058 3,965,363
2022-03-17 2022-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 21,991 120,133 22.41
2022-03-17 2022-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -7,900 98,142 -7.45 34.46 -272,248 3,382,150
2022-03-09 2022-03-07 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -13,026 59,522 -17.96
2022-03-09 2022-03-07 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -13,026 106,042 -10.94 29.35 -382,313 3,112,333
2022-03-09 2022-03-07 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 13,026 119,068 12.28 13.35 173,897 1,589,558
2022-03-01 2022-02-25 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -23,000 25,074 -47.84
2022-03-01 2022-02-25 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -12,000 106,042 -10.17 28.95 -347,400 3,069,916
2022-03-01 2022-02-25 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -11,000 118,042 -8.52 27.95 -307,450 3,299,274
2022-03-01 2022-02-25 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 23,000 129,042 21.69 14.95 343,850 1,929,178
2022-02-09 2022-02-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -10,000 48,074 -17.22
2022-02-09 2022-02-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -10,000 106,042 -8.62 26.95 -269,500 2,857,832
2022-02-09 2022-02-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 10,000 116,042 9.43 14.95 149,500 1,734,828
2022-01-11 2022-01-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -16,000 50,777 -23.96
2022-01-11 2022-01-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -16,000 106,042 -13.11 25.40 -406,400 2,693,467
2022-01-11 2022-01-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 16,000 122,042 15.09 14.40 230,400 1,757,405
2022-01-11 2022-01-07 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -31,776 66,777 -32.24
2022-01-11 2022-01-07 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -11,776 106,042 -10.00 24.90 -293,222 2,640,446
2022-01-11 2022-01-07 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -20,000 117,818 -14.51 24.15 -483,000 2,845,305
2022-01-11 2022-01-07 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 31,776 137,818 29.97 14.40 457,574 1,984,579
2022-01-04 2021-12-30 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -10,000 98,553 -9.21
2022-01-04 2021-12-30 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -10,000 106,042 -8.62 23.40 -234,000 2,481,383
2022-01-04 2021-12-30 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 10,000 116,042 9.43 14.40 144,000 1,671,005
2021-12-22 2021-12-21 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -8,256 108,553 -7.07
2021-12-22 2021-12-21 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -8,256 106,042 -7.22 22.40 -184,934 2,375,341
2021-12-22 2021-12-21 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 8,256 114,298 7.79 14.40 118,886 1,645,891
2021-12-17 2021-12-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -1,744 116,809 -1.47
2021-12-17 2021-12-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -1,744 106,042 -1.62 22.40 -39,066 2,375,341
2021-12-17 2021-12-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 1,744 107,786 1.64 14.40 25,114 1,552,118
2021-11-12 2021-11-11 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -10,000 19,800 -33.56
2021-11-12 2021-11-11 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -10,000 105,689 -8.64 21.33 -213,300 2,254,346
2021-11-12 2021-11-11 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 10,000 115,689 9.46 11.33 113,300 1,310,756
2021-08-17 2021-08-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -6,589 105,689 -5.87 19.35 -127,524 2,045,515
2021-07-08 2021-07-07 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -10,000 29,800 -25.13
2021-07-08 2021-07-07 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -10,000 112,278 -8.18 20.37 -203,739 2,287,541
2021-07-08 2021-07-07 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 10,000 122,278 8.91 11.33 113,300 1,385,410
2021-05-20 2021-05-19 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 7,209 7,209
2021-05-20 2021-05-19 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 3,047 111,349 2.81
2021-03-18 2021-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 78,833 78,833
2021-03-18 2021-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 33,574 108,302 44.93
2021-03-18 2021-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -6,398 74,728 -7.89 18.44 -117,979 1,377,984
2021-03-17 2021-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -4,178 81 -98.10 19.15 -80,009 1,554
2021-03-17 2021-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -4,244 85,304 -4.74 19.03 -80,745 1,622,968
2021-01-20 2021-01-19 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -6,495 89,548 -6.76 18.67 -121,237 1,671,521
2020-08-18 2020-08-14 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -5,512 95,652 -5.45 20.36 -112,223 1,947,456
2020-07-08 2020-07-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -10,000 39,800 -20.08
2020-07-08 2020-07-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -13,656 101,164 -11.89 22.00 -300,405 2,225,406
2020-07-08 2020-07-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 10,000 114,820 9.54 11.33 113,300 1,300,911
2020-03-18 2020-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -3,434 104,038 -3.20 14.50 -49,793 1,508,551
2020-03-18 2020-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 94,350 94,350
2020-03-18 2020-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 40,291 107,472 59.97
2020-03-18 2020-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -2,915 67,181 -4.16 13.03 -37,982 875,368
2020-03-17 2020-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -4,178 70,096 -5.63 14.19 -59,286 994,662
2020-03-17 2020-03-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -1,737 74,274 -2.29 14.43 -25,058 1,071,484
2020-03-17 2020-03-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -2,964 76,011 -3.75 13.66 -40,481 1,038,113
2020-01-23 2020-01-21 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -3,990 78,975 -4.81 20.07 -80,071 1,584,855
2019-09-18 2019-09-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -9,800 49,800 -16.44
2019-09-18 2019-09-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -9,800 82,453 -10.62 21.76 -213,256 1,794,243
2019-09-18 2019-09-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 9,800 92,253 11.89 11.33 111,034 1,045,226
2019-08-16 2019-08-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -4,942 82,453 -5.65 21.00 -103,782 1,731,513
2019-03-27 2019-03-26 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -2,553 86,339 -2.87 20.54 -52,439 1,773,403
2019-03-19 2019-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -5,228 88,892 -5.55 20.23 -105,762 1,798,285
2019-03-19 2019-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -4,437 94,120 -4.50 20.23 -89,761 1,904,048
2019-03-19 2019-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 57,725 57,725
2019-03-19 2019-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -2,944 98,557 -2.90 20.23 -59,557 1,993,808
2019-03-19 2019-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 25,951 101,501 34.35
2019-03-06 2019-03-04 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -1,500 72,548 -2.03
2019-03-06 2019-03-04 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -1,500 75,550 -1.95 25.36 -38,037 1,915,774
2019-03-06 2019-03-04 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 1,500 77,050 1.99 13.35 20,025 1,028,618
2019-02-15 2019-02-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -10,016 74,048 -11.91
2019-02-15 2019-02-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -10,016 75,550 -11.71 24.37 -244,090 1,841,154
2019-02-15 2019-02-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 10,016 85,566 13.26 13.35 133,714 1,142,306
2019-01-04 2019-01-02 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -3,245 75,550 -4.12 19.52 -63,354 1,475,016
2018-12-04 2018-12-03 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -10,000 59,600 -14.37
2018-12-04 2018-12-03 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -10,000 78,795 -11.26 22.40 -224,001 1,765,016
2018-12-04 2018-12-03 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 10,000 88,795 12.69 11.33 113,300 1,006,047
2018-11-13 2018-11-12 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -3,172 78,152 -3.90 20.61 -65,366 1,610,494
2018-11-13 2018-11-09 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -10,000 69,600 -12.56
2018-11-13 2018-11-09 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -10,000 81,324 -10.95 21.47 -214,723 1,746,213
2018-11-13 2018-11-09 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 10,000 91,324 12.30 11.33 113,300 1,034,701
2018-11-13 2018-11-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -19,800 79,600 -19.92
2018-11-13 2018-11-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -8,528 81,324 -9.49 20.85 -177,786 1,695,386
2018-11-13 2018-11-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -16,784 89,852 -15.74 20.26 -340,098 1,820,689
2018-11-13 2018-11-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 19,800 106,636 22.80 11.33 224,334 1,208,186
2018-08-17 2018-08-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -2,407 86,836 -2.70 17.59 -42,333 1,527,219
2018-07-11 2018-07-09 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -3,250 89,243 -3.51 16.46 -53,498 1,469,020
2018-04-23 2018-04-21 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,273 91,374 -1.37 19.31 -24,582 1,764,432
2018-03-28 2018-03-26 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,677 92,647 -1.78 18.61 -31,209 1,724,161
2018-03-20 2018-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -3,434 94,324 -3.51 19.91 -68,371 1,877,991
2018-03-20 2018-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -2,915 97,758 -2.90 19.91 -58,038 1,946,362
2018-03-16 2018-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 51,921 51,921
2018-03-16 2018-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 22,359 100,673 28.55
2018-03-15 2018-03-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -19,801 99,400 -16.61
2018-03-15 2018-03-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -19,801 78,314 -20.18 20.10 -398,004 1,574,127
2018-03-15 2018-03-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 19,801 98,115 25.28 11.33 224,345 1,111,643
2017-12-05 2017-12-01 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -6,226 78,314 -7.36 19.67 -122,465 1,540,436
2017-10-13 2017-10-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -3,026 83,496 -3.50 18.56 -56,176 1,550,070
2017-06-01 2017-05-30 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -4,297 86,522 -4.73 16.93 -72,731 1,464,463
2017-04-25 2017-04-21 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,384 90,819 -1.50 14.74 -20,400 1,338,672
2017-03-28 2017-03-26 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,823 92,203 -1.94 13.76 -25,084 1,268,713
2017-03-20 2017-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -3,704 94,026 -3.79 13.75 -50,930 1,292,858
2017-03-20 2017-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 84,064 84,064
2017-03-20 2017-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 33,707 97,730 52.65
2016-08-15 2016-08-12 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -1,027 63,625 -1.59 18.19 -18,681 1,157,313
2016-07-19 2016-07-18 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -2,297 64,652 -3.43 17.76 -40,795 1,148,220
2016-06-03 2016-06-02 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -2,297 66,949 -3.32 16.00 -36,752 1,071,184
2016-04-22 2016-04-21 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,383 69,246 -1.96 13.05 -18,048 903,660
2016-03-29 2016-03-26 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,823 70,629 -2.52 11.96 -21,803 844,723
2016-03-21 2016-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 119,201 119,201
2016-03-21 2016-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 39,717 72,452 121.33
2015-04-23 2015-04-21 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,384 32,735 -4.06 15.21 -21,051 497,899
2015-03-30 2015-03-26 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 58,074 58,074
2015-03-30 2015-03-26 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 19,397 34,119 131.76
2014-06-24 3 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
29,444
2014-06-24 3 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
29,444
2013-10-04 2013-10-03 4 HITK HI TECH PHARMACAL CO INC
Stock Option (Right to Buy)
M - Exercise -6,250 0 -100.00
2013-10-04 2013-10-03 4 HITK HI TECH PHARMACAL CO INC
Stock Option (Right to Buy)
M - Exercise -15,000 3,750 -80.00
2013-10-04 2013-10-03 4 HITK HI TECH PHARMACAL CO INC
Common Stock
S - Sale -21,250 0 -100.00 43.11 -916,088
2013-10-04 2013-10-03 4 HITK HI TECH PHARMACAL CO INC
Common Stock
M - Exercise 6,250 21,250 41.67 5.83 36,438 123,888
2013-10-04 2013-10-03 4 HITK HI TECH PHARMACAL CO INC
Common Stock
M - Exercise 15,000 15,000 18.87 283,050 283,050
2013-02-05 2013-02-05 4 HITK HI TECH PHARMACAL CO INC
Stock Option (Right to Buy)
M - Exercise X -36 12,500 -0.29
2013-02-05 2013-02-05 4 HITK HI TECH PHARMACAL CO INC
Common Stock
S - Sale X -36 0 -100.00 38.00 -1,368
2013-02-05 2013-02-05 4 HITK HI TECH PHARMACAL CO INC
Common Stock
M - Exercise X 36 36 10.68 384 384
2013-02-05 2013-02-01 4 HITK HI TECH PHARMACAL CO INC
Stock Option (Right to Buy)
M - Exercise X -4,603 12,536 -26.86
2013-02-05 2013-02-01 4 HITK HI TECH PHARMACAL CO INC
Common Stock
S - Sale X -4,603 0 -100.00 38.00 -174,914
2013-02-05 2013-02-01 4 HITK HI TECH PHARMACAL CO INC
Common Stock
M - Exercise X 4,603 4,603 10.68 49,160 49,160
2013-01-28 2013-01-24 4 HITK HI TECH PHARMACAL CO INC
Stock Option (Right to Buy)
M - Exercise X -1,611 17,139 -8.59
2013-01-28 2013-01-24 4 HITK HI TECH PHARMACAL CO INC
Stock Option (Right to Buy)
M - Exercise X -6,250 0 -100.00
2013-01-28 2013-01-24 4 HITK HI TECH PHARMACAL CO INC
Common Stock
S - Sale X -7,861 0 -100.00 38.00 -298,718
2013-01-28 2013-01-24 4 HITK HI TECH PHARMACAL CO INC
Common Stock
M - Exercise X 1,611 7,861 25.78 10.68 17,205 83,955
2013-01-28 2013-01-24 4 HITK HI TECH PHARMACAL CO INC
Common Stock
M - Exercise X 6,250 6,250 10.68 66,750 66,750
2012-11-09 2012-11-07 4 HITK HI TECH PHARMACAL CO INC
Stock Option (Right to Buy)
A - Award 30,000 30,000
2012-08-17 2012-08-15 4 HITK HI TECH PHARMACAL CO INC
Stock Option (Right to Buy)
M - Exercise X -12,500 6,250 -66.67
2012-08-17 2012-08-15 4 HITK HI TECH PHARMACAL CO INC
Common Stock
S - Sale X -12,500 0 -100.00 35.50 -443,750
2012-08-17 2012-08-15 4 HITK HI TECH PHARMACAL CO INC
Common Stock
M - Exercise X 12,500 12,500 5.83 72,875 72,875
2012-07-18 2012-07-16 4 HITK HI TECH PHARMACAL CO INC
Stock Option (Right to Buy)
A - Award 30,000 30,000
2012-07-18 2012-07-16 4 HITK HI TECH PHARMACAL CO INC
Stock Option (Right to Buy)
M - Exercise X -4,983 0 -100.00
2012-07-18 2012-07-16 4 HITK HI TECH PHARMACAL CO INC
Common Stock
S - Sale X -4,983 0 -100.00 32.00 -159,456
2012-07-18 2012-07-16 4 HITK HI TECH PHARMACAL CO INC
Common Stock
M - Exercise X 4,983 4,983 19.95 99,411 99,411
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)