Zhou Rong

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
13 Dec 24	AMPH Amphastar Pharmaceuticals	Common Stock	Sell	Dispose S	No	No	45.23	8,000	361.84 k	118,469
13 Dec 24	AMPH Amphastar Pharmaceuticals	Common Stock	Option exercise	Acquire M	No	No	11.33	8,000	90.64 k	126,469
13 Dec 24	AMPH Amphastar Pharmaceuticals	Employee Stock Option Common Stock	Option exercise	Dispose M	No	No	11.33	8,000	90.64 k	9,787
12 Dec 24	AMPH Amphastar Pharmaceuticals	Common Stock	Sell	Dispose S	No	No	44.425	7,000	310.98 k	118,469
12 Dec 24	AMPH Amphastar Pharmaceuticals	Common Stock	Option exercise	Acquire M	No	No	11.33	7,000	79.31 k	125,469
12 Dec 24	AMPH Amphastar Pharmaceuticals	Employee Stock Option Common Stock	Option exercise	Dispose M	No	No	11.33	7,000	79.31 k	17,787
12 Nov 24	AMPH Amphastar Pharmaceuticals	Common Stock	Sell	Dispose S	No	No	48.88	6,893	336.93 k	118,388
12 Nov 24	AMPH Amphastar Pharmaceuticals	Common Stock	Option exercise	Acquire M	No	No	14.95	6,893	103.05 k	125,281
12 Nov 24	AMPH Amphastar Pharmaceuticals	Employee Stock Option Common Stock	Option exercise	Dispose M	No	No	14.95	6,893	103.05 k	0
13 Sep 24	AMPH Amphastar Pharmaceuticals	Common Srock	Sell	Dispose S	No	No	48.2615	3,000	144.78 k	118,388

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.