Fuping Chen - Sep 14, 2021 Form 4 Insider Report for ACM Research, Inc. (ACMR)

Role: Vice President, Sales-China of ACM Research (Shanghai), Inc., a subsidiary of the Issuer
Signature: /s/ Mark L. Johnson, Attorney-in-Fact for Fuping Chen
Stock symbol: ACMR
Transactions as of: Sep 14, 2021
Transactions value $: $0
Form type: 4
Date filed: 9/16/2021, 04:30 PM
Next filing: Feb 14, 2023

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ACMR	Stock Option	Award	$0	+10K		$0.00	10K	Sep 14, 2021	Class A Common Stock	10K	$85.27	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	On July 28, 2020, the reporting person was granted an option to purchase 20,000 shares of Class A Common Stock of the Issuer. The option vests and becomes exercisable as to 10,000 shares upon the Issuer's receipt of its first demo tool order from a specified semiconductor company and as to the other 10,000 shares, upon the qualification of the Issuer's first demo tool for such semiconductor company. The performance criteria for the first 10,000 shares was met, resulting in vesting of the option as to 10,000 shares.

Content

On July 28, 2020, the reporting person was granted an option to purchase 20,000 shares of Class A Common Stock of the Issuer. The option vests and becomes exercisable as to 10,000 shares upon the Issuer's receipt of its first demo tool order from a specified semiconductor company and as to the other 10,000 shares, upon the qualification of the Issuer's first demo tool for such semiconductor company. The performance criteria for the first 10,000 shares was met, resulting in vesting of the option as to 10,000 shares.

Remarks:

Vice President, Sales-China of ACM Research (Shanghai), Inc., a subsidiary of the Issuer