Lisa Feng - Nov 3, 2021 Form 4 Insider Report for ACM Research, Inc. (ACMR)

Role
Chief Financial Officer of ACM Research (Shanghai), Inc.
Signature
/s/ Mark L. Johnson, Attorney-in-Fact for Lisa Feng
Stock symbol
ACMR
Transactions as of
Nov 3, 2021
Transactions value $
$13,647
Form type
4
Date filed
11/5/2021, 05:47 PM
Next filing
Jan 4, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ACMR Class A Common Stock Options Exercise $13.6K +2.44K +17.13% $5.60 16.7K Nov 3, 2021 Direct F1

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 -2.44K -100% $0.00* 0 Nov 3, 2021 Class A Common Stock 2.44K $5.60 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 3, 2021, the reporting person exercised a previously issued stock option to purchase 2,437 shares of Class A Common Stock of the Issuer.
F2 The option vested and became exercisable as to 4,167 shares on August 15, 2018 and the remaining 12,500 shares vested and became exercisable in equal monthly installments over the following 36 months.

Remarks:

Chief Financial Officer of ACM Research (Shanghai), Inc.