Sotheara Cheav - Jun 6, 2023 Form 4 Insider Report for ACM Research, Inc. (ACMR)

Signature
/s/ Mark McKechnie, Attorney-in-Fact for Sotheara Cheav
Stock symbol
ACMR
Transactions as of
Jun 6, 2023
Transactions value $
-$198,105
Form type
4
Date filed
6/8/2023, 09:49 PM
Previous filing
Aug 22, 2022
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 Options Exercise $104K +22.5K +20.45% $4.62 133K Jun 6, 2023 Direct F1
transaction ACMR Class A Common Stock Options Exercise $87.9K +16.5K +12.45% $5.33 149K Jun 6, 2023 Direct F2
transaction ACMR Class A Common Stock Sale -$390K -39K -26.17% $10.00 110K Jun 6, 2023 Direct F3

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 -22.5K -64.29% $0.00 12.5K Jun 6, 2022 Class A Common Stock 22.5K $4.62 Direct F1, F4
transaction ACMR Stock Option Options Exercise $0 -16.5K -55% $0.00 13.5K Jun 6, 2023 Class A Common Stock 16.5K $5.33 Direct F2, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 On June 6, 2023, the reporting person exercised a previously issued stock option to purchase 22,500 shares of Class A Common Stock of the Issuer.
F2 On June 6, 2023, the reporting person exercised a previously issued stock option to purchase 16,500 shares of Class A Common Stock of the Issuer.
F3 The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.
F4 The option is fully vested and exercisable.

Remarks:

Senior Vice President, Manufacturing of ACM Research (Shanghai), Inc., a subsidiary of the Issuer