Liu Tracy

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
12 Aug 24	ACMR ACM Research	Stock Option Class A Common Stock	Grant	Acquire A	No	No	18.89	20,000	377.80 k	20,000
28 Feb 24	ACMR ACM Research	Class A Common Stock	Sell	Dispose S	No	Yes	25.2	12,500	315.00 k	110,772
28 Feb 24	ACMR ACM Research	Class A Common Stock	Option exercise	Acquire M	No	No	5.6	12,500	70.00 k	123,272
28 Feb 24	ACMR ACM Research	Stock Option Class A Common Stock	Option exercise	Dispose M	No	No	5.6	12,500	70.00 k	19,500
26 Dec 23	ACMR ACM Research	Class A Common Stock	Sell	Dispose S	No	Yes	20	10,000	200.00 k	110,772
26 Dec 23	ACMR ACM Research	Class A Common Stock	Option exercise	Acquire M	No	No	5.6	10,000	56.00 k	120,772
26 Dec 23	ACMR ACM Research	Stock Option Class A Common Stock	Option exercise	Dispose M	No	No	5.6	10,000	56.00 k	32,000
20 Nov 23	ACMR ACM Research	Class A Common Stock	Sell	Dispose S	No	Yes	17.91	15,000	268.65 k	36,924
20 Nov 23	ACMR ACM Research	Class A Common Stock	Option exercise	Acquire M	No	No	7.36	15,000	110.40 k	51,924
20 Nov 23	ACMR ACM Research	Stock Option Class A Common Stock	Option exercise	Dispose M	No	No	7.36	15,000	110.40 k	0

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