ACM Research, Inc. — Director's Dealing 2021

Nov 5, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ACM Research, Inc. (ACMR)
CIK: 0001680062
Period of Report: 2021-11-03

Reporting Person: Feng Lisa (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-11-03	Class A Common Stock	M	2437	$5.6	Acquired	16667	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-11-03	Stock Option	$5.6	M	2437	Disposed	2027-11-01	Class A Common Stock (2437)	Direct

Footnotes

F1: On November 3, 2021, the reporting person exercised a previously issued stock option to purchase 2,437 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 vested and became exercisable in equal monthly installments over the following 36 months.