Yinan Xiang - Aug 11, 2021 Form 4 Insider Report for ACM Research, Inc. (ACMR)

Role: Director
Signature: /s/ Mark L. Johnson, Attorney-in-Fact for Yinan Xiang
Stock symbol: ACMR
Transactions as of: Aug 11, 2021
Transactions value $: -$4,598,010
Form type: 4
Date filed: 8/13/2021, 08:07 PM
Next filing: Aug 20, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ACMR	Class A Common Stock	Sale	-$2.18M	-25.5K	-1.7%	$85.53^*	1.48M	Aug 11, 2021	See footnote	F1, F2, F3
transaction	ACMR	Class A Common Stock	Sale	-$30.8K	-358	-0.02%	$86.15^*	1.48M	Aug 11, 2021	See footnote	F1, F3, F4
transaction	ACMR	Class A Common Stock	Sale	-$143K	-1.6K	-0.11%	$89.17^*	1.48M	Aug 11, 2021	See footnote	F1, F3, F5
transaction	ACMR	Class A Common Stock	Sale	-$225K	-2.5K	-0.17%	$90.05^*	1.48M	Aug 11, 2021	See footnote	F1, F3, F6
transaction	ACMR	Class A Common Stock	Sale	-$1.71M	-20K	-1.35%	$85.33^*	1.46M	Aug 12, 2021	See footnote	F1, F3, F7
transaction	ACMR	Class A Common Stock	Sale	-$308K	-3.62K	-0.25%	$85.10^*	1.45M	Aug 13, 2021	See footnote	F1, F3, F8

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

Explanation of Responses:

Id	Content
F1	The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by Shanghai Science and Technology Venture Capital Co., Ltd.
F2	The price reported in Column 4 represents a weighted average price. The shares were sold in multiple transactions at prices ranging from $85.00 to $86.00, 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 footnotes 2, 4, 5, 6, 7 and 8 of this Form 4.
F3	These shares are owned by Shanghai Science and Technology Venture Capital Co., Ltd., which designated the reporting person to the board of directors of the Issuer. The reporting person disclaims beneficial ownership of the shares owned by Shanghai Science and Technology Venture Capital Co., Ltd. except to the extent of her pecuniary interest therein, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for purposes of Section 16 or otherwise.
F4	The price reported in Column 4 represents a weighted average price. The shares were sold in multiple transactions at prices ranging from $86.02 to $86.40, inclusive.
F5	The price reported in Column 4 represents a weighted average price. The shares were sold in multiple transactions at prices ranging from $88.665 to $89.50, inclusive.
F6	The price reported in Column 4 represents a weighted average price. The shares were sold in multiple transactions at prices ranging from $90.00 to $90.25, inclusive.
F7	The price reported in Column 4 represents a weighted average price. The shares were sold in multiple transactions at prices ranging from $85.00 to $86.00, inclusive.
F8	The price reported in Column 4 represents a weighted average price. The shares were sold in multiple transactions at prices ranging from $85.00 to $85.23, inclusive.