Xiao Xing

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
8 Oct 24	ACMR ACM Research	Class A Common Stock	Sell	Dispose S	Yes	Yes	21.13	90,396	1.91 mm	2,338,510
7 Oct 24	ACMR ACM Research	Class A Common Stock	Sell	Dispose S	Yes	Yes	26.01	977	25.41 k	2,428,906
7 Oct 24	ACMR ACM Research	Class A Common Stock	Sell	Dispose S	Yes	Yes	25.35	101,018	2.56 mm	2,429,883
7 Oct 24	ACMR ACM Research	Class A Common Stock	Sell	Dispose S	Yes	Yes	23.32	173,005	4.03 mm	2,530,901
4 Oct 24	ACMR ACM Research	Class A Common Stock	Sell	Dispose S	Yes	Yes	21.79	119,127	2.60 mm	2,703,906
4 Oct 24	ACMR ACM Research	Class A Common Stock	Sell	Dispose S	Yes	Yes	21.33	580,873	12.39 mm	2,823,033
2 Oct 24	ACMR ACM Research	Class A Common Stock	Sell	Dispose S	Yes	Yes	20.01	26,300	526.26 k	3,403,906
1 Oct 24	ACMR ACM Research	Class A Common Stock	Sell	Dispose S	Yes	Yes	20.19	8,304	167.66 k	3,430,206
10 Aug 23	ACMR ACM Research	Stock Option Class A Common Stock	Grant	Dispose A	No	No	13.89	24,000	333.36 k	24,000

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