ACM Research, Inc. — Director's Dealing 2023

Oct 13, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ACM Research, Inc. (ACMR)
CIK: 0001680062
Period of Report: 2023-10-11

Reporting Person: McKechnie Mark (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-10-11	Class A Common Stock	M	11250	$4.55	Acquired	12150	Direct
2023-10-11	Class A Common Stock	S	11250	$20	Disposed	900	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-10-11	Stock Option	$4.55	M	11250	Disposed	2029-11-03	Class A Common Stock (11250)	Direct

Footnotes

F1: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 25, 2022.

F2: The option vested and became exercisable as to 15,000 shares on November 4, 2020 and the remaining 45,000 shares vest and became or become exercisable in equal monthly installments over the following 36 months, subject to continued service through each vesting date.