Charles C. Pappis - 15 Mar 2025 Form 4 Insider Report for ACM Research, Inc. (ACMR)

Role
Director
Signature
/s/ Mark McKechnie, Attorney-in-Fact for Charles C. Pappis
Issuer symbol
ACMR
Transactions as of
15 Mar 2025
Net transactions value
$0
Form type
4
Filing time
21 May 2025, 21:32:49 UTC
Next filing
14 Aug 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Pappis Charles C Director C/O ACM RESEARCH, INC., 42307 OSGOOD ROAD, SUITE I, FREMONT /s/ Mark McKechnie, Attorney-in-Fact for Charles C. Pappis 21 May 2025 0001475345

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction ACMR Stock Option Award $0 +10,000 $0.000000 10,000 15 Mar 2025 Class A Common Stock 10,000 $29.18 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The option will vest and become exercisable immediately prior to the 2025 annual meeting of stockholders of the issuer, subject to continued service through the vesting date.