ACM Research, Inc. — Director's Dealing 2021

Mar 2, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ACM Research, Inc. (ACMR)
CIK: 0001680062
Period of Report: 2021-02-26

Reporting Person: Feng Lisa (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-02-26	Class A Common Stock	M	3470	$5.6	Acquired	14230	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-02-26	Stock Option	$5.6	M	3470	Disposed	2027-11-01	Class A Common Stock (3470)	Direct

Footnotes

F1: On February 26, 2021, the reporting person exercised a previously issued stock option to purchase 3,470 shares of Class A Common Stock of the Issuer.

F2: The option vested and became exercisable as to 4,167 shares on August 15, 2018 and the remaining 12,500 shares vest and become exercisable in equal monthly installments over the following 36 months, subject to continued service through each vesting date.