Lisa Feng - 24 Jun 2025 Form 4 Insider Report for ACM Research, Inc. (ACMR)

Role
Chief Financial Officer of ACM Research (Shanghai), Inc., a subsidiary of the Issuer
Signature
s/ Mark McKechnie, Attorney-in-Fact for Lisa Feng
Issuer symbol
ACMR
Transactions as of
24 Jun 2025
Net transactions value
-$306,000
Form type
4
Filing time
26 Jun 2025, 16:30:28 UTC
Previous filing
01 Mar 2024
Next filing
09 Jul 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Feng Lisa Chief Financial Officer of ACM Research (Shanghai), Inc., a subsidiary of the Issuer C/O ACM RESEARCH, INC., 42307 OSGOOD ROAD, SUITE I, FREMONT s/ Mark McKechnie, Attorney-in-Fact for Lisa Feng 26 Jun 2025 0001779777

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ACMR Class A Common Stock Options Exercise $84,000 +15,000 +30% $5.60 65,001 24 Jun 2025 Direct F1
transaction ACMR Class A Common Stock Sale $390,000 -15,000 -23% $26.00 50,001 24 Jun 2025 Direct F2

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 Options Exercise $0 -15,000 -25% $0.000000 45,000 24 Jun 2025 Class A Common Stock 15,000 $5.60 Direct F1, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.

Transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

Explanation of Responses:

Id Content
F1 On June 24, 2025, the reporting person exercised a previously issued stock option to purchase 15,000 shares of Class A Common Stock of the Issuer.
F2 The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 12, 2025.
F3 The option is fully vested and exercisable.

Remarks:

Chief Financial Officer of ACM Research (Shanghai), Inc., a subsidiary of the Issuer