Jack Y. Zhang Amphastar Pharmaceuticals, Inc. (AMPH) insider trading activity

Jack Y. Zhang is CEO & CHIEF SCIENTIFIC OFFICER of Amphastar Pharmaceuticals, Inc.. Currently has a direct ownership of 2.85 Million shares of AMPH, which is worth approximately $79.9 Million. The most recent transaction as insider was on Mar 17, 2022, when has been sold 15,768 shares (Common Stock) at a price of $34.18 per share, resulting in proceeds of $538,950. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 2.85M

0% 3M change

8.13% 12M change

Total Value Held $79.9 Million

Jack Y. Zhang Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Mar 17 2022	SELL Payment of exercise price or tax liability	$538,950 $34.18 p/Share	15,768 Reduced 0.67%	2,342,014 Common Stock
Mar 16 2022	SELL Payment of exercise price or tax liability	$863,747 $34.22 p/Share	25,241 Reduced 1.06%	2,357,782 Common Stock
Mar 15 2022	SELL Payment of exercise price or tax liability	$512,728 $34.74 p/Share	14,759 Reduced 0.62%	2,383,023 Common Stock
Mar 15 2022	BUY Grant, award, or other acquisition	-	76,914 Added 3.11%	2,397,782 Common Stock
Mar 17 2021	BUY Grant, award, or other acquisition	-	127,209 Added 5.2%	2,320,868 Common Stock
Mar 16 2021	SELL Payment of exercise price or tax liability	$465,444 $18.44 p/Share	25,241 Reduced 1.14%	2,193,659 Common Stock
Mar 15 2021	SELL Payment of exercise price or tax liability	$537,885 $19.15 p/Share	28,088 Reduced 1.25%	2,218,900 Common Stock

JYZ

Jack Y. Zhang

CEO & CHIEF SCIENTIFIC OFFICER

Rancho Cucamonga, CA

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