Mark McKechnie - Aug 19, 2021 Form 4 Insider Report for ACM Research, Inc. (ACMR)

Role
Chief Financial Officer and Treasurer
Signature
/s/ Mark L. Johnson, Attorney-in-Fact for Mark McKechnie
Stock symbol
ACMR
Transactions as of
Aug 19, 2021
Transactions value $
-$341,133
Form type
4
Date filed
8/20/2021, 04:33 PM
Next filing
Nov 22, 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ACMR Class A Common Stock Options Exercise $69.3K +5K $13.85 5K Aug 19, 2021 Direct F1
transaction ACMR Class A Common Stock Sale -$350K -4.27K -85.48% $81.91* 726 Aug 19, 2021 Direct F2, F3
transaction ACMR Class A Common Stock Sale -$43.5K -526 -72.45% $82.74* 200 Aug 19, 2021 Direct F2, F4
transaction ACMR Class A Common Stock Sale -$16.8K -200 -100% $83.89* 0 Aug 19, 2021 Direct F2, F5

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 -5K -25.04% $0.00 15K Aug 19, 2021 Class A Common Stock 5K $13.85 Direct F1, F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 On August 19, 2021, the reporting person exercised a previously issued stock option to purchase 5,000 shares of Class A Common Stock of the Issuer.
F2 The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.
F3 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.65 to $82.63, 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 (3), (4) and (5) to this Form 4.
F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.73 to $83.00, inclusive.
F5 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $83.88 to $83.89, inclusive.
F6 The option vested and became exercisable as to 10,000 shares on August 1, 2019, and the remaining 30,000 shares vest and became or become exercisable in equal monthly installments over the following 36 months, subject to continued service through each vesting date.

Remarks:

Chief Financial Officer and Treasurer