Home > Insider Trading > Filing (0001140361-22-009176)

Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1680062	Acm Research Inc.	ACMR	Special Industry Machinery, Nec (3559)	000000000

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1721581	Haiping Dun	C/O Acm Research, Inc. 42307 Osgood Road, Suite I Fremont CA 94539		No	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Class A Common Stock	Acquisiton	2022-03-09	12,269	$1.50	309,568	No	4	M	Direct
Class A Common Stock	Disposition	2022-03-09	1,200	$80.48	308,368	No	4	S	Direct
Class A Common Stock	Disposition	2022-03-09	8,069	$82.11	300,299	No	4	S	Direct
Class A Common Stock	Disposition	2022-03-09	3,000	$82.66	297,299	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Class A Common Stock	Stock Option	Disposition	2022-03-09	12,269	$0.00	231	$1.50

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
231		2025-05-01	No	4	M	Direct

Footnotes

On March 9, 2022, the reporting person exercised a previously issued stock option to purchase 12,269 shares of Class A Common Stock of the Issuer.
The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $79.99 to $80.82, 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), (5) and (6) to this Form 4.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.49 to $82.49, inclusive.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.54 to $82.83, inclusive.
The option vested and became exercisable as to 41,666 shares on May 1, 2016 and the remaining 125,001 shares vested and became exercisable in equal monthly installments over the following 36 months.