Fuping Chen - Dec 30, 2022 Form 4/A - Amendment Insider Report for ACM Research, Inc. (ACMR)

Role
Vice President, Sales-China of ACM Research (Shanghai), Inc., a subsidiary of the Issuer
Signature
/s/ Mark McKechnie, Attorney-in-Fact for Fuping Chen
Stock symbol
ACMR
Transactions as of
Dec 30, 2022
Transactions value $
$0
Form type
4/A - Amendment
Date filed
2/14/2023, 05:18 PM
Date Of Original Report
Jan 4, 2023
Previous filing
Sep 16, 2021
Next filing
Aug 25, 2023

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 +3K $0.00 3K Dec 30, 2022 Class A Common Stock 3K $25.45 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This Form 4 amendment has been filed solely to correct the number of derivative securities acquired, the amount of underlying securities, and the number of derivative securities beneficially owned following the reported transaction in connection with a previously issued stock option to purchase shares of Class A Common Stock of the Issuer reported in a Form 4 filed on January 4, 2023 (the "Form 4"). Such numbers were inadvertently stated as 13,500 in the Form 4. Such numbers should have been stated as 3,000 in the Form 4.
F2 On March 4, 2022, the reporting person was granted an option to purchase 30,000 shares of Class A Common Stock of the Issuer. The option vests and becomes exercisable based on the Issuer's satisfaction of certain performance criteria. On December 30, 2022, the Issuer confirmed that certain of the performance criteria were met, resulting in vesting of the option as to 3,000 shares.

Remarks:

Vice President, Sales-China of ACM Research (Shanghai), Inc., a subsidiary of the Issuer