Lisa Feng - Dec 31, 2022 Form 4 Insider Report for ACM Research, Inc. (ACMR)

Signature
/s/ Mark McKechnie, Attorney-in-Fact for Lisa Feng
Stock symbol
ACMR
Transactions as of
Dec 31, 2022
Transactions value $
$0
Form type
4
Date filed
1/4/2023, 05:09 PM
Previous filing
Nov 5, 2021
Next filing
Mar 13, 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 +22.5K $0.00 22.5K Dec 31, 2022 Class A Common Stock 22.5K $25.45 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 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 31, 2022, the Issuer confirmed that certain of the performance criteria were met, resulting in vesting of the option as to 22,500 shares.

Remarks:

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