ACM Research, Inc. — Director's Dealing 2018

Jul 3, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ACM Research, Inc. (ACMR)
CIK: 0001680062
Period of Report: 2018-06-29

Reporting Person: Wang David H (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-06-29	Class A Common Stock	M	15279	$3	Acquired	15279	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-06-29	Stock Option	$3	M	15279	Disposed	2026-12-27	Class A Common Stock (15279)	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock	166667	Direct
Class A Common Stock	60000	Indirect
Class A Common Stock	206667	Indirect

Footnotes

F1: Sophia Wang, who is the daughter of the reporting person and whose shares are deemed indirectly beneficially owned by the reporting person, previously held options to acquire up to 18,334 shares of Class A Common Stock of the Issuer. On June 29, 2018, Ms. Wang exercised options to purchase 15,279 shares of Class A Common Stock of the Issuer. The options to purchase the remaining 3,055 shares of Class A Common Stock have terminated.

F2: As of the transaction date, 15,279 shares had vested.