Wang David H - Insider Stock Trading

Filing Date	T Date	Ticker	Issuer	Inc	Sector	Ind	Industry	Owner	oSt	Rel	Title	T	TVal	Price	Qty	oc	Own	H
11/18/24 16:30	11/14/24	ACMR	Acm Research, Inc.	CA	Machn	Mchn	Special Industry Machinery	Wang David H	CA	DOT	See Rema	M.d	135	0.5000	270	19	1,713	D
5/31/24 16:30	5/29/24	ACMR	Acm Research, Inc.	CA	Machn	Mchn	Special Industry Machinery	Wang David H	CA	DOT	See Rema	S	-1,947	22.62	-86	-6	1,450	D
5/24/24 16:30	5/22/24	ACMR	Acm Research, Inc.	CA	Machn	Mchn	Special Industry Machinery	Wang David H	CA	DOT	See Rema	S	-2,053	22.81	-90	-6	1,536	D
5/16/24 09:00	5/14/24	ACMR	Acm Research, Inc.	CA	Machn	Mchn	Special Industry Machinery	Wang David H	CA	DOT	See Rema	M.d	90	0.5000	180	12	1,626	D
3/15/24 21:32	3/14/24	ACMR	Acm Research, Inc.	CA	Machn	Mchn	Special Industry Machinery	Wang David H	CA	DOT	See Rema	S	-2,405	27.62	-87	-6	1,450	D
3/12/24 21:30	3/8/24	ACMR	Acm Research, Inc.	CA	Machn	Mchn	Special Industry Machinery	Wang David H	CA	DOT	See Rema	S	-2,732	30.36	-90	-6	1,537	D
3/5/24 21:33	3/1/24	ACMR	Acm Research, Inc.	CA	Machn	Mchn	Special Industry Machinery	Wang David H	CA	DOT	See Rema	M.d	90	0.5000	180	12	1,627	D
12/1/23 16:15	11/29/23	ACMR	Acm Research, Inc.	CA	Machn	Mchn	Special Industry Machinery	Wang David H	CA	DOT	See Rema	S	-1,453	17.14	-85	-6	1,450	D
11/27/23 16:30	11/22/23	ACMR	Acm Research, Inc.	CA	Machn	Mchn	Special Industry Machinery	Wang David H	CA	DOT	See Rema	S	-1,591	17.68	-90	-6	1,535	D
11/16/23 16:15	11/14/23	ACMR	Acm Research, Inc.	CA	Machn	Mchn	Special Industry Machinery	Wang David H	CA	DOT	See Rema	M.d	90	0.5000	180	12	1,625	D
9/14/23 17:00	9/12/23	ACMR	Acm Research, Inc.	CA	Machn	Mchn	Special Industry Machinery	Wang David H	CA	DOT	See Rema	S.m	-3,130	17.87	-175	-11	1,450	D
9/6/23 21:40	9/4/23	ACMR	Acm Research, Inc.	CA	Machn	Mchn	Special Industry Machinery	Wang David H	CA	DOT	See Rema	M.d	90	0.5000	180	12	1,625	D
3/22/21 17:30	3/18/21	ACMR	Acm Research, Inc.	CA	Machn	Mchn	Special Industry Machinery	Wang David H	CA	DOT	See Rema	S.m	-9,054	91.24	-99	-17	483	D
3/16/21 17:30	3/12/21	ACMR	Acm Research, Inc.	CA	Machn	Mchn	Special Industry Machinery	Wang David H	CA	DOT	See Rema	M.d	75	0.7500	100	21	583	D
12/7/20 17:30	12/3/20	ACMR	Acm Research, Inc.	CA	Machn	Mchn	Special Industry Machinery	Wang David H	CA	DOT	See Rema	S.m	-7,902	79.83	-99	-17	483	D
11/27/20 17:30	11/25/20	ACMR	Acm Research, Inc.	CA	Machn	Mchn	Special Industry Machinery	Wang David H	CA	DOT	See Rema	M.d	75	0.7500	100	21	582	D
9/4/20 18:35	9/3/20	ACMR	Acm Research, Inc.	CA	Machn	Mchn	Special Industry Machinery	Wang David H	CA	DOT	See Rema	S.m	-5,651	81.36	-69	-13	483	D
8/31/20 17:30	8/27/20	ACMR	Acm Research, Inc.	CA	Machn	Mchn	Special Industry Machinery	Wang David H	CA	DOT	See Rema	M.d	53	0.7500	70	15	553	D
8/21/19 18:18	8/20/19	ACMR	Acm Research, Inc.	CA	Machn	Mchn	Special Industry Machinery	Wang David H	CA	DOT	See Rema	M.d	23	0.7500	30	7	479	D
7/3/18 16:36	6/29/18	ACMR	Acm Research, Inc.	CA	Machn	Mchn	Special Industry Machinery	Wang David H	CA	DOT	See Rema	M.d	46	3.00	15	4	449	I

D	Derivative transaction in filing (usually option exercise)
M	Multiple transactions in filing; earliest reported transaction date and weighted average transaction price
A	Amended filing
E	Error detected in filing

S - Sale	Sale of securities on an exchange or to another person
S - Sale+OE	Sale of securities on an exchange or to another person (after option exercise)
F - Tax	Payment of exercise price or tax liability using portion of securities received from the company
P - Purchase	Purchase of securities on an exchange or from another person

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