Charles Pappis

Insider Reports History

Location: Santa Clara, CA
Signature: /s/ Mark McKechnie, Attorney-in-Fact for Charles Pappis
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 Charles Pappis:

Stock	Role	Class	Num Shares	Value	Price $	Report Date	Ownership
ACM Research, Inc.	Director	Stock Option	20K			Aug 12, 2025	Direct

Insider Reports Filed by Charles Pappis

Symbol	Company	Period	Transactions	Value $	Form Type	Date Filed	Role
ACMR	ACM Research, Inc.	Aug 12, 2025	1	$0	4	Aug 14, 2025	Director
ACMR	ACM Research, Inc.	Mar 15, 2025	1	$0	4	May 21, 2025	Director
ACMR	ACM Research, Inc.	Mar 15, 2025	0	$0	3	May 21, 2025	Director