ACM Research, Inc. — Director's Dealing 2023

Feb 14, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ACM Research, Inc. (ACMR)
CIK: 0001680062
Period of Report: 2023-02-12

Reporting Person: Wang Jian (N/A)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-02-12	Stock Option	$25.45	A	15000	Acquired	2032-03-03	Class A Common Stock (15000)	Direct

Footnotes

F1: On March 4, 2022, the reporting person was granted an option to purchase 75,000 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 February 12, 2023, the Issuer confirmed that certain of the performance criteria were met, resulting in vesting of the option as to 15,000 shares.