Info
Ownership

David H. Wang - Insider Trading & Ownership

Location: C/O Acm Research, Inc., 42307 Osgood Road, Suite I, Fremont, CA
Summary: The estimated net worth of David H. Wang is at least $37M dollars as of October 29, 2025. David H. Wang is the Chief Executive Officer, President and Director, Director, 10%+ Owner of ACM Research, Inc. and owns shares of ACM Research, Inc. (ACMR) stock worth about $37M.
Signature: /s/ Mark McKechnie, Attorney-in-Fact for David H. Wang
All Insider Reports: All Insider Reports

Ownership of David H. Wang

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
ACMR	ACM Research, Inc.	Chief Executive Officer, President and Director, Director, 10%+ Owner	$37M	-$13.1M	-26.1%	Oct 27, 2025

Showing 1 to 1 of 1 entries

Insider Transactions Reported by David H. Wang:

Sym	Company	Class	Transaction	%	Value $	* Price $	Shares	Shares After	Date	Ownership
ACMR	ACM Research, Inc.	Stock Option	Award		$0	0.00	+545K	545K	10/27/2025	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Options Exercise	+19.3%	$130K	1.00	+130K	803K	9/8/2025	Direct
ACMR	ACM Research, Inc.	Stock Option	Options Exercise	-17.6%	$0	0.00	-130K	610K	9/8/2025	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Sale	-8.19%	-$1.59M	26.44	-60K	673K	9/4/2025	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Options Exercise	+8.92%	$60K	1.00	+60K	733K	9/4/2025	Direct
ACMR	ACM Research, Inc.	Stock Option	Options Exercise	-7.5%	$0	0.00	-60K	740K	9/4/2025	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Sale	-9.42%	-$1.87M	26.76	-70K	673K	9/3/2025	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Options Exercise	+10.4%	$70K	1.00	+70K	743K	9/3/2025	Direct
ACMR	ACM Research, Inc.	Stock Option	Options Exercise	-8.05%	$0	0.00	-70K	800K	9/3/2025	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Sale	-8.19%	-$1.36M	22.63	-60K	673K	5/22/2025	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Options Exercise	+8.92%	$60K	1.00	+60K	733K	5/22/2025	Direct
ACMR	ACM Research, Inc.	Stock Option	Options Exercise	-6.45%	$0	0.00	-60K	870K	5/22/2025	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Sale	-9.42%	-$1.65M	23.60	-70K	673K	5/21/2025	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Options Exercise	+10.4%	$70K	1.00	+70K	743K	5/21/2025	Direct
ACMR	ACM Research, Inc.	Stock Option	Options Exercise	-7%	$0	0.00	-70K	930K	5/21/2025	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Sale	-5.28%	-$1.02M	27.30	-37.5K	673K	3/13/2025	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Sale	-5.02%	-$1.03M	27.42	-37.5K	710K	3/12/2025	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Sale	-7%	-$1.49M	26.57	-56.3K	748K	3/11/2025	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Tax liability	-0.5%	-$105K	25.94	-4.05K	804K	3/3/2025	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Options Exercise	+35.1%	$105K	0.50	+210K	808K	3/3/2025	Direct
ACMR	ACM Research, Inc.	Stock Option	Options Exercise	-100%	$0	0.00	-210K	0	3/3/2025	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Sale	-8.6%	-$981K	17.44	-56.3K	598K	11/29/2024	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Sale	-7.92%	-$1.01M	17.89	-56.3K	654K	11/26/2024	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Sale	-7.34%	-$1.07M	19.08	-56.3K	711K	11/22/2024	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Tax liability	-0.94%	-$135K	18.59	-7.26K	767K	11/14/2024	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Options Exercise	+53.6%	$135K	0.50	+270K	774K	11/14/2024	Direct
ACMR	ACM Research, Inc.	Stock Option	Options Exercise		$0	0.00	+270K	210K	11/14/2024	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Sale	-14.6%	-$1.95M	22.62	-86.1K	504K	5/29/2024	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Sale	-13.2%	-$2.05M	22.81	-90K	590K	5/22/2024	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Tax liability	-0.57%	-$90K	23.02	-3.91K	680K	5/14/2024	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Options Exercise	+35.7%	$90K	0.50^*	+180K	684K	5/14/2024	Direct
ACMR	ACM Research, Inc.	Stock Option	Options Exercise	-27.3%	$0	0.00	-180K	480K	5/14/2024	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Sale	-14.7%	-$2.41M	27.62	-87.1K	504K	3/14/2024	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Sale	-13.2%	-$2.73M	30.36	-90K	591K	3/8/2024	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Tax liability	-0.43%	-$90K	30.92	-2.91K	681K	3/1/2024	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Options Exercise	+35.7%	$90K	0.50^*	+180K	684K	3/1/2024	Direct
ACMR	ACM Research, Inc.	Stock Option	Options Exercise	-21.4%	$0	0.00	-180K	660K	3/1/2024	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Sale	-14.4%	-$1.45M	17.14	-84.8K	504K	11/29/2023	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Sale	-13.3%	-$1.59M	17.68	-90K	589K	11/22/2023	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Options Exercise	+35.7%	$90K	0.50^*	+180K	684K	11/14/2023	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Tax liability	-0.76%	-$90K	17.23	-5.22K	679K	11/14/2023	Direct
ACMR	ACM Research, Inc.	Stock Option	Options Exercise	-17.6%	$0	0.00	-180K	840K	11/14/2023	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Sale	-14.4%	-$1.5M	17.68	-85.1K	504K	9/13/2023	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Sale	-13.2%	-$1.63M	18.06	-90K	589K	9/12/2023	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Tax liability	-0.71%	-$90K	18.43	-4.88K	679K	9/4/2023	Direct
ACMR	ACM Research, Inc.	Class A Common Stock	Options Exercise	+35.7%	$90K	0.50^*	+180K	684K	9/4/2023	Direct
ACMR	ACM Research, Inc.	Stock Option	Options Exercise	-15%	$0	0.00	-180K	1.02M	9/4/2023	Direct
ACMR	ACM Research, Inc.	Stock Option	Award	-50%	$0	0.00	-1.08M	1.08M	8/10/2023	Direct

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Showing 1 to 48 of 48 entries

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