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

Jack Y. Zhang Transaction History

Date	Transaction	Value	Shares Traded
Mar 17 2025	SELL Payment of exercise price or tax liability	$200,004 $27.69 p/Share	7,223
Mar 15 2025	SELL Payment of exercise price or tax liability	$109,705 $26.66 p/Share	4,115
Mar 14 2025	SELL Payment of exercise price or tax liability	$4,336,435 $26.66 p/Share	162,657
Mar 14 2025	BUY Exercise of conversion of derivative security	$3,102,718 $14.69 p/Share	211,213
Mar 10 2025	BUY Grant, award, or other acquisition	-	48,996
Mar 06 2025	SELL Payment of exercise price or tax liability	$86,914 $28.32 p/Share	3,069
Mar 04 2025	SELL Payment of exercise price or tax liability	$67,006 $27.62 p/Share	2,426
Nov 11 2024	SELL Bona fide gift	-	125,000
Mar 17 2024	SELL Payment of exercise price or tax liability	$303,588 $43.05 p/Share	7,052
Mar 15 2024	SELL Payment of exercise price or tax liability	$8,724,426 $43.05 p/Share	202,658
Mar 15 2024	BUY Exercise of conversion of derivative security	$3,874,187 $12.46 p/Share	310,930
Mar 06 2024	SELL Payment of exercise price or tax liability	$138,466 $46.31 p/Share	2,990
Mar 04 2024	BUY Grant, award, or other acquisition	-	27,110
Mar 17 2023	SELL Payment of exercise price or tax liability	$255,917 $36.29 p/Share	7,052
Mar 16 2023	SELL Bona fide gift	-	114,730
Mar 16 2023	SELL Payment of exercise price or tax liability	$375,924 $37.6 p/Share	9,998
Mar 15 2023	SELL Payment of exercise price or tax liability	$103,262 $36.84 p/Share	2,803
Mar 06 2023	BUY Grant, award, or other acquisition	-	34,301
Mar 17 2022	SELL Payment of exercise price or tax liability	$241,037 $34.18 p/Share	7,052
Mar 16 2022	SELL Payment of exercise price or tax liability	$356,778 $34.22 p/Share	10,426
Mar 15 2022	SELL Payment of exercise price or tax liability	$166,266 $34.74 p/Share	4,786
Mar 15 2022	BUY Grant, award, or other acquisition	-	32,412
Mar 17 2021	BUY Grant, award, or other acquisition	-	56,892
Mar 16 2021	SELL Payment of exercise price or tax liability	$163,932 $18.44 p/Share	8,890
Mar 15 2021	SELL Payment of exercise price or tax liability	$183,687 $19.15 p/Share	9,592

JYZ

Jack Y. Zhang

CEO & CHIEF SCIENTIFIC OFFICER

Rancho Cucamonga, CA

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