Amphastar Pharmaceuticals
Insider trading & Transactions

Last updated:

Transaction Date Insider Security Shares Price per share Total value Source
Sale
LIAWATIDEWI YAKOB officer: EVP Corp Admin Center
 Common Stock 3,478 $35.94 $124,996
Option
GERST DIANE G. director
 Stock Option (right to buy) 1,521 $20.08 $30,542
Sale
GERST DIANE G. director
 Common Stock 1,521 $36.26 $55,145
Option
GERST DIANE G. director
 Common Stock 1,521 $20.08 $30,542
Option
GERST DIANE G. director
 Stock Option (right to buy) 1,813 $20.08 $36,405
Option
GERST DIANE G. director
 Common Stock 1,813 $20.08 $36,405
Sale
GERST DIANE G. director
 Common Stock 1,813 $35 $63,460
Sale
PETERSEN FLOYD F. director
 Common Stock 500 $34.78 $17,391
Option
GERST DIANE G. director
 Common Stock 1,813 $20.08 $36,405
Option
GERST DIANE G. director
 Stock Option (right to buy) 3,333 $20.03 $66,760
Option
GERST DIANE G. director
 Stock Option (right to buy) 1,813 $20.08 $36,405
Sale
GERST DIANE G. director
 Common Stock 5,146 $35 $180,110
Option
PETERS WILLIAM J officer: CFO, EVP & Treasurer
 Employee Stock Option (right to buy) 18,386 $14.95 $274,871
Sale
PETERS WILLIAM J officer: CFO, EVP & Treasurer
 Common Stock 18,386 $34.95 $642,591
Option
PETERS WILLIAM J officer: CFO, EVP & Treasurer
 Common Stock 18,386 $14.95 $274,871
Option
GERST DIANE G. director
 Common Stock 3,333 $20.03 $66,760
Sale
PETERS WILLIAM J officer: CFO, EVP & Treasurer
 Common Stock 5,512 $32.05 $176,682
Sale
LEE HOWARD director
 Common Stock 10,291 $37.79 $388,856
Option
LEE HOWARD director
 Common Stock 10,291 $17.11 $176,079
Option
LEE HOWARD director
 Stock Option (right to buy) 10,291 $17.11 $176,079
Sale
PETERSEN FLOYD F. director
 Common Stock 380 $36.79 $13,979
Sale
PETERSEN FLOYD F. director
 Common Stock 120 $37.67 $4,521
Sale
LEE HOWARD director
 Common Stock 10,000 $34.93 $349,320
Option
LEE HOWARD director
 Common Stock 10,000 $17.11 $171,100
Option
LEE HOWARD director
 Stock Option (right to buy) 10,000 $17.11 $171,100
Sale
ZHANG JACK Y. director, 10 percent owner, off..
 Common Stock 10,650 $34.21 $364,368
Sale
ZHANG JACK Y. director, 10 percent owner, off..
 Common Stock 115 $34.28 $3,942
Sale
ZHANG JACK Y. director, 10 percent owner, off..
 Common Stock 41,615 $33.76 $1,404,839
Option
PETERSEN FLOYD F. director
 Common Stock 20,291 $17.11 $347,179
Option
PETERSEN FLOYD F. director
 Stock Option (right to buy) 20,291 $17.11 $347,179
Sale
ZHANG JACK Y. director, 10 percent owner, off..
 Common Stock 9,776 $34.77 $339,931
Sale
ZHANG JACK Y. director, 10 percent owner, off..
 Common Stock 55,264 $33.97 $1,877,373
Sale
ZHANG JACK Y. director, 10 percent owner, off..
 Common Stock 2,006 $35.78 $71,779
Sale
PETERSEN FLOYD F. director
 Common Stock 9,924 $35.05 $347,826
Sale
ZHANG JACK Y. director, 10 percent owner, off..
 Common Stock 2,837 $36.14 $102,535
Sale
ZHANG JACK Y. director, 10 percent owner, off..
 Common Stock 47,539 $35.74 $1,698,901
Sale
ZHANG JACK Y. director, 10 percent owner, off..
 Common Stock 54,274 $35.58 $1,931,177
Sale
ZASLOFF MICHAEL A director
 Common Stock 10,291 $35.61 $366,504
Option
ZASLOFF MICHAEL A director
 Common Stock 10,291 $17.11 $176,079
Sale
ZHANG JACK Y. director, 10 percent owner, off..
 Common Stock 13,795 $36.41 $502,276
Option
ZASLOFF MICHAEL A director
 Stock Option (right to buy) 10,291 $17.11 $176,079
Sale
PETERSEN FLOYD F. director
 Common Stock 27 $35.52 $959
Sale
PETERSEN FLOYD F. director
 Common Stock 268 $35.15 $9,419
Sale
PETERSEN FLOYD F. director
 Common Stock 63 $37.35 $2,353
Sale
PETERSEN FLOYD F. director
 Common Stock 437 $36.59 $15,992
Option
PETERS WILLIAM J officer: CFO, EVP & Treasurer
 Employee Stock Option (right to buy) 50,777 $14.4 $731,189
Sale
PETERS WILLIAM J officer: CFO, EVP & Treasurer
 Common Stock 3,760 $34.36 $129,197
Option
ZASLOFF MICHAEL A director
 Common Stock 10,000 $17.11 $171,100
Option
PETERS WILLIAM J officer: CFO, EVP & Treasurer
 Common Stock 50,777 $14.4 $731,189
Sale
PETERS WILLIAM J officer: CFO, EVP & Treasurer
 Common Stock 47,017 $33.93 $1,595,240

Showing 200 to 250 of 904 results.

Insider trading

Monitoring trades made by the management members or major shareholders of companies may help create a sharper picture of what is happening inside the companies. Base your decisions on buys or sells of the people involved and do the right thing at the right time.

Who is insider?

Every director or senior officer, as well as any other entity or individual owning more than 10% of the company’s shares on the stock market, is called an insider. Such people or entities are allowed to buy/sell the company's shares under strictly controlled conditions. Key premise here is that none of them can make trades based on non-public information about the company.

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