Insider Stock Trading History of Gerst Diane G.


The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Gerst Diane G. since year 2005. The trader's CIK number is 1611283. At the time of this reporting, Gerst Diane G. is the EVP, QA & Regulatory Affairs of Amphastar Pharmaceuticals, Inc. . (stock ticker symbol AMPH). See this page for all insider trading activities at Amphastar Pharmaceuticals, Inc. .


Stock purchases, sales, and option exercises reported by insider Gerst Diane G. since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2017-11-28 AMPH Amphastar Pharmaceuticals, Inc. Sale 523 18.15 9,492
2017-11-21 AMPH Amphastar Pharmaceuticals, Inc. Sale 523 18.81 9,839
2017-11-15 AMPH Amphastar Pharmaceuticals, Inc. Sale 523 17.77 9,291
2017-11-07 AMPH Amphastar Pharmaceuticals, Inc. Sale 523 17.93 9,375
2017-10-24 AMPH Amphastar Pharmaceuticals, Inc. Sale 523 18.29 9,567
2017-10-17 AMPH Amphastar Pharmaceuticals, Inc. Sale 523 18.48 9,665
2017-10-05 AMPH Amphastar Pharmaceuticals, Inc. Option Ex 8,444 11.33 95,670
2017-10-05 AMPH Amphastar Pharmaceuticals, Inc. Sale 8,444 18.88 159,380
2016-12-15 AMPH Amphastar Pharmaceuticals, Inc. Sale 2,940 20.51 60,287
2016-08-19 AMPH Amphastar Pharmaceuticals, Inc. Option Ex 24,046 12.58 302,498
2016-08-19 AMPH Amphastar Pharmaceuticals, Inc. Sale 24,046 19.28 463,606
2016-05-18 AMPH Amphastar Pharmaceuticals, Inc. Sale 1,427 13.97 19,939
2016-04-18 AMPH Amphastar Pharmaceuticals, Inc. Option Ex 14,210 10.95 155,528
2016-04-19 AMPH Amphastar Pharmaceuticals, Inc. Option Ex 5,607 10.48 58,761
2016-04-18 AMPH Amphastar Pharmaceuticals, Inc. Sale 15,637 12.83 200,653
2016-04-19 AMPH Amphastar Pharmaceuticals, Inc. Sale 5,607 13.04 73,126
2015-04-08 AMPH Amphastar Pharmaceuticals, Inc. Sale 10,000 15.79 157,900
2015-04-08 AMPH Amphastar Pharmaceuticals, Inc. Option Ex 10,000 14.80 148,000

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Gerst Diane G. (EVP, QA & Regulatory Affairs of Amphastar Pharmaceuticals, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.