Haiping Dun - Jun 1, 2023 Form 4 Insider Report for ACM Research, Inc. (ACMR)

Role: Director
Signature: /s/ Mark McKechnie, Attorney-in-Fact for Haiping Dun
Stock symbol: ACMR
Transactions as of: Jun 1, 2023
Transactions value $: -$375,000
Form type: 4
Date filed: 6/5/2023, 06:26 PM
Previous filing: May 24, 2023
Next filing: Aug 21, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ACMR	Class A Common Stock	Sale	-$375K	-37.5K	-4.06%	$10.00	887K	Jun 1, 2023	Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.
F2	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $9.71 to $10.26, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4.

Content

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

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $9.71 to $10.26, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4.