David H. Wang - Sep 4, 2023 Form 4 Insider Report for ACM Research, Inc. (ACMR)

Role
Chief Executive Officer, President and Director, Director, 10%+ Owner
Signature
/s/ Mark McKechnie, Attorney-in-Fact for David H. Wang
Stock symbol
ACMR
Transactions as of
Sep 4, 2023
Transactions value $
-$12
Form type
4
Date filed
9/6/2023, 10:40 PM
Previous filing
Aug 21, 2023
Next filing
Sep 14, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ACMR Class A Common Stock Options Exercise $90K +180K +35.71% $0.50* 684K Sep 4, 2023 Direct F1
transaction ACMR Class A Common Stock Tax liability -$90K -4.88K -0.71% $18.43 679K Sep 4, 2023 Direct F1
holding ACMR Class A Common Stock 100K Sep 4, 2023 By Jing Chen, wife of David H. Wang
holding ACMR Class A Common Stock 45.8K Sep 4, 2023 By Sophia Wang, daughter of David H. Wang
holding ACMR Class A Common Stock 180K Sep 4, 2023 By David Hui Wang and Jing Chen Family Irrevocable Trust for Wang Children
holding ACMR Class A Common Stock 620K Sep 4, 2023 By Wang-Chen Family Living Trust

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 Options Exercise $0 -180K -15% $0.00 1.02M Sep 4, 2023 Class A Common Stock 180K $0.50 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 On September 4, 2023, the reporting person exercised, by net exercise, a previously issued stock option to purchase 180,000 shares of Class A Common Stock of the Issuer. The reporting person paid the exercise price on a cashless basis, resulting in the Issuer withholding 4,884 shares of Class A Common Stock for payment of the exercise price, based on the closing price of the Issuer's Class A Common Stock on September 1, 2023 of $18.43, and issuing to the reporting person the remaining 175,116 shares of Class A Common Stock.
F2 The option is fully vested and exercisable.

Remarks:

Chief Executive Officer, President and Director