Ownership

Sotheara Cheav

Insider Reports History

Entity: Individual
Location: C/O Acm Research, Inc., 42307 Osgood Road, Suite I, Fremont, CA
Signature: /s/ Mark McKechnie, Attorney-in-Fact for Sotheara Cheav
All insider transactions: Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Sotheara Cheav:

Stock	Role	Class	Num Shares	Value	Price $	Report Date	Ownership
ACM Research, Inc.	Senior Vice President, Manufacturing of ACM Research (Shanghai), Inc., a subsidiary of the Issuer.	Class A Common Stock	100K	$2.3M	$23.00	Feb 6, 2025	Direct
ACM Research, Inc.	Senior Vice President, Manufacturing of ACM Research (Shanghai), Inc., a subsidiary of the Issuer.	Stock Option	77.4K			Feb 6, 2025	Direct

Showing 1 to 2 of 2 entries

Insider Reports Filed by Sotheara Cheav

Symbol	Company	Period	Transactions	Value $	Form Type	Date Filed	Role
ACMR	ACM Research, Inc.	Feb 6, 2025	5	-$206K	4	Feb 10, 2025	Senior Vice President, Manufacturing of ACM Research (Shanghai), Inc., a subsidiary of the Issuer.
ACMR	ACM Research, Inc.	Mar 13, 2024	3	-$285K	4	Mar 15, 2024	Senior Vice President, Manufacturing of ACM Research (Shanghai), Inc., a subsidiary of the Issuer.
ACMR	ACM Research, Inc.	Nov 13, 2023	5	-$307K	4	Nov 15, 2023	Senior Vice President, Manufacturing of ACM Research (Shanghai), Inc., a subsidiary of the Issuer.
ACMR	ACM Research, Inc.	Aug 10, 2023	1	$0	4/A	Aug 21, 2023	Senior Vice President, Manufacturing of ACM Research (Shanghai), Inc., a subsidiary of the Issuer
ACMR	ACM Research, Inc.	Jun 6, 2023	5	-$198K	4	Jun 8, 2023	Senior Vice President, Manufacturing of ACM Research (Shanghai), Inc., a subsidiary of the Issuer
ACMR	ACM Research, Inc.	Aug 18, 2022	1	-$175K	4	Aug 22, 2022	Senior Vice President, Manufacturing of ACM Research (Shanghai), Inc., a subsidiary of the Issuer
ACMR	ACM Research, Inc.	Aug 16, 2022	7	-$318K	4	Aug 18, 2022	Officer