Dun Haiping

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
29 Nov 24	ACMR ACM Research	Class A Common Stock	Sell	Dispose S	No	Yes	17.43	19,058	332.18 k	755,090
22 Nov 24	ACMR ACM Research	Class A Common Stock	Sell	Dispose S	No	Yes	19.12	15,000	286.80 k	774,148
14 Nov 24	ACMR ACM Research	Class A Common Stock	Payment of exercise	Dispose F	No	No	18.59	942	17.51 k	789,148
14 Nov 24	ACMR ACM Research	Class A Common Stock	Option exercise	Acquire M	No	No	0.5	35,000	17.50 k	790,090
14 Nov 24	ACMR ACM Research	Stock Option Class A Common Stock	Option exercise	Dispose M	No	No	0.5	35,000	17.50 k	25,001
29 Aug 24	ACMR ACM Research	Class A Common Stock	Sell	Dispose S	No	Yes	18.08	19,097	345.27 k	755,090
22 Aug 24	ACMR ACM Research	Class A Common Stock	Sell	Dispose S	No	Yes	19.85	15,000	297.75 k	774,187

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