Michael A Zasloff Amphastar Pharmaceuticals, Inc. (AMPH) insider trading activity

Michael A Zasloff is of Amphastar Pharmaceuticals, Inc.. Currently has a direct ownership of 29,524 shares of AMPH, which is worth approximately $677,871. The most recent transaction as insider was on Jun 02, 2025, when has been sold 5,122 shares (Common Stock) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 29.5K

20.99% 3M change

20.99% 12M change

Total Value Held $677,871

MICHAEL A ZASLOFF Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Jun 02 2025	BUY Grant, award, or other acquisition	-	5,122 Added 14.78%	29,524 Common Stock
Jun 03 2024	BUY Grant, award, or other acquisition	-	3,076 Added 11.19%	24,402 Common Stock
Mar 05 2024	SELL Open market or private sale	$591,250 $47.3 p/Share	12,500 Reduced 36.95%	21,326 Common Stock
Aug 15 2023	SELL Open market or private sale	$730,069 $57.22 p/Share	12,759 Reduced 27.39%	33,826 Common Stock
Jun 05 2023	BUY Grant, award, or other acquisition	-	2,716 Added 5.51%	46,585 Common Stock
May 15 2023	SELL Open market or private sale	$316,350 $42.18 p/Share	7,500 Reduced 14.6%	43,869 Common Stock
Jun 10 2022	BUY Grant, award, or other acquisition	-	4,163 Added 7.5%	51,369 Common Stock
May 16 2022	SELL Open market or private sale	$366,463 $35.61 p/Share	10,291 Reduced 17.9%	47,206 Common Stock
May 16 2022	BUY Exercise of conversion of derivative security	$176,079 $17.11 p/Share	10,291 Added 15.18%	57,497 Common Stock
Mar 16 2022	SELL Open market or private sale	$337,100 $33.71 p/Share	10,000 Reduced 17.48%	47,206 Common Stock
Mar 16 2022	BUY Exercise of conversion of derivative security	$171,100 $17.11 p/Share	10,000 Added 14.88%	57,206 Common Stock
Jun 07 2021	BUY Grant, award, or other acquisition	-	6,019 Added 11.31%	47,206 Common Stock
May 13 2021	SELL Open market or private sale	$499,494 $19.34 p/Share	25,827 Reduced 38.54%	41,187 Common Stock
May 13 2021	BUY Exercise of conversion of derivative security	$424,338 $16.43 p/Share	25,827 Added 27.82%	67,014 Common Stock

MAZ

Michael A Zasloff

Rancho Cucamonga, CA

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