ACM Research, Inc. — Director's Dealing 2021

Mar 3, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ACM Research, Inc. (ACMR)
CIK: 0001680062
Period of Report: 2021-02-22

Reporting Person: Hu Chenming (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-03-02	Class A Common Stock	M	10000	$7.5	Acquired	31102	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-03-02	Stock Option	$7.5	M	10000	Acquired	2027-03-08	Class A Common Stock (10000)	Direct
2021-02-22	Stock Option	$119.98	A	5000	Acquired	2031-02-21	Class A Common Stock (5000)	Direct

Footnotes

F1: On March 2, 2021, the reporting person exercised a previously issued stock option to purchase 10,000 shares of Class A Common Stock of the Issuer.

F2: The option is fully vested and exercisable.

F3: The option will vest and become exercisable immediately prior to the 2022 Annual Meeting of Stockholders of the Issuer, subject to continued service through the vesting date.