Sotheara Cheav

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
6 Feb 25	ACMR ACM Research	Class A Common Stock	Sell	Dispose S	No	Yes	23	22,598	519.75 k	100,002
6 Feb 25	ACMR ACM Research	Class A Common Stock	Option exercise	Acquire M	No	No	13.89	12,598	174.99 k	122,600
6 Feb 25	ACMR ACM Research	Class A Common Stock	Option exercise	Acquire M	No	No	13.89	10,000	138.90 k	110,002
6 Feb 25	ACMR ACM Research	Stock Option Class A Common Stock	Option exercise	Dispose M	No	No	13.89	12,598	174.99 k	77,402
6 Feb 25	ACMR ACM Research	Stock Option Class A Common Stock	Option exercise	Dispose M	No	No	13.89	10,000	138.90 k	90,000
14 Mar 24	ACMR ACM Research	Class A Common Stock	Sell	Dispose S	No	Yes	28.32	2,383	67.49 k	100,002
14 Mar 24	ACMR ACM Research	Class A Common Stock	Sell	Dispose S	No	Yes	27.49	2,617	71.94 k	102,385
13 Mar 24	ACMR ACM Research	Class A Common Stock	Sell	Dispose S	No	Yes	29.09	5,000	145.45 k	105,002
13 Nov 23	ACMR ACM Research	Class A Common Stock	Sell	Dispose S	No	Yes	16.79	26,000	436.54 k	110,002
13 Nov 23	ACMR ACM Research	Class A Common Stock	Option exercise	Acquire M	No	No	4.62	12,500	57.75 k	136,002

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