AMPH · Forms 3, 4, 5

Insider trades at Amphastar Pharmaceuticals, Inc.

1 insider sold $103K of Amphastar Pharmaceuticals, Inc. stock on the open market in the last 30 days.

Every Form 3, 4 and 5 filed for Amphastar Pharmaceuticals, Inc. (AMPH) with the SEC, newest first: who traded, their role, buy or sell, shares, price and value.

Insider trades in the last 90 days

DateInsiderRoleTransactionSharesPriceValueFiling
William J PetersCFO, EVP & TREASURERSell (10b5-1 plan)4,139$25.00$103KForm 4
Rong ZhouSENIOR EVP, PRODUCTION CENTEROption exercise10,000$13.35$134KForm 4
Rong ZhouSENIOR EVP, PRODUCTION CENTERSell10,000$23.94$239KForm 4
Rong ZhouSENIOR EVP, PRODUCTION CENTERSell3,187$23.63$75KForm 4
Richard K PrinsDirectorSell7,973$20.30$162KForm 4
William J PetersCFO, EVP & TREASUREROption exercise5,053$19.79$100KForm 4
William J PetersCFO, EVP & TREASURERSell (10b5-1 plan)8,180$22.48$184KForm 4

Buy and Sell are open-market purchases and sales (transaction codes P and S), the trades investors watch. Awards, option exercises, tax withholding and gifts are reported too but are not market trades.