ACM Research, Inc. — Director's Dealing 2020

Sep 14, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ACM Research, Inc. (ACMR)
CIK: 0001680062
Period of Report: 2020-09-10

Reporting Person: Cheav Sotheara (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-09-10	Class A Common Stock	M	5000	$0.75	Acquired	48334	Direct
2020-09-10	Class A Common Stock	S	5000	$60.75	Disposed	43334	Direct
2020-09-14	Class A Common Stock	M	4941	$0.75	Acquired	48275	Direct
2020-09-14	Class A Common Stock	S	4941	$66.7	Disposed	43334	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-09-10	Stock Option	$0.75	M	5000	Disposed	2021-05-01	Class A Common Stock (5000)	Direct
2020-09-14	Stock Option	$0.75	M	4941	Disposed	2021-05-01	Class A Common Stock (4941)	Direct

Footnotes

F1: On September 10, 2020, the reporting person exercised a previously issued stock option to purchase 5,000 shares of Class A Common Stock of the Issuer.

F2: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3: On September 14, 2020, the reporting person exercised a previously issued stock option to purchase 4,941 shares of Class A Common Stock of the Issuer.

F4: The option is fully vested and exercisable.