ACM Research, Inc. — Director's Dealing 2021

Mar 8, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ACM Research, Inc. (ACMR)
CIK: 0001680062
Period of Report: 2021-03-04

Reporting Person: Hu Chenming (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-03-04	Class A Common Stock	M	11000	$7.5	Acquired	42102	Direct
2021-03-08	Class A Common Stock	M	12334	$7.5	Acquired	54436	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-03-04	Stock Option	$7.5	M	11000	Acquired	2027-03-08	Class A Common Stock (11000)	Direct
2021-03-08	Stock Option	$7.5	M	12334	Acquired	2027-03-08	Class A Common Stock (12334)	Direct

Footnotes

F1: On March 4, 2021, the reporting person exercised a previously issued stock option to purchase 11,000 shares of Class A Common Stock of the Issuer.

F2: The option is fully vested and exercisable.

F3: On March 8, 2021, the reporting person exercised a previously issued stock option to purchase 12,334 shares of Class A Common Stock of the Issuer.