ACM Research, Inc. — Director's Dealing 2023

Dec 28, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ACM Research, Inc. (ACMR)
CIK: 0001680062
Period of Report: 2023-12-26

Reporting Person: Feng Lisa (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-12-26	Class A Common Stock	M	7500	$5.6	Acquired	57501	Direct
2023-12-26	Class A Common Stock	S	7500	$20	Disposed	50001	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-12-26	Stock Option	$5.6	M	7500	Disposed	2029-04-22	Class A Common Stock (7500)	Direct

Footnotes

F1: On December 26, 2023, the reporting person exercised a previously issued stock option to purchase 7,500 shares of Class A Common Stock of the Issuer.

F2: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 14, 2023.

F3: The option is fully vested and exercisable.