Haiping Dun - Nov 14, 2024 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
Nov 14, 2024
Transactions value $
-$12
Form type
4
Date filed
11/18/2024, 04:32 PM
Previous filing
Sep 3, 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ACMR Class A Common Stock Options Exercise $17.5K +35K +4.64% $0.50 790K Nov 14, 2024 Direct F1
transaction ACMR Class A Common Stock Tax liability -$17.5K -942 -0.12% $18.59 789K Nov 14, 2024 Direct F1
holding ACMR Class A Common Stock 100K Nov 14, 2024 Dun Family GST 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 -35K -58.33% $0.00 25K Nov 14, 2024 Class A Common Stock 35K $0.50 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 On November 14, 2024, the reporting person exercised, by net exercise, a previously issued stock option to purchase 35,000 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 942 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 November 13, 2024 of $18.59, and issuing to the reporting person the remaining 34,058 shares of Class A Common Stock.
F2 The option is fully vested and exercisable.