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Home > Insider Trading > Filing (0001140361-20-027554)

Filing Details

Accession Number:: 0001140361-20-027554
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2020-12-07 17:30:27
Reporting Period:: 2020-12-03

Accepted Time:: 2020-12-07 17:30:27
SEC Url:: Form 4 Filing

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
1721580	H David Wang	C/O Acm Research, Inc. 42307 Osgood Road, Suite I Fremont CA 94539	See Remarks	No	No	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Class A Common Stock	Disposition	2020-12-03	16,666	$82.50	250,323	No	4	S	Direct
Class A Common Stock	Disposition	2020-12-03	32,995	$82.50	217,328	No	4	S	Direct
Class A Common Stock	Disposition	2020-12-04	49,322	$77.14	168,006	No	4	S	Direct

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

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Class A Common Stock	33,334	Indirect	By Jing Chen, wife of David H. Wang
Class A Common Stock	15,279	Indirect	By Sophia Wang, daughter of David H. Wang
Class A Common Stock	60,000	Indirect	By David Hui Wang and Jing Chen Family Irrevocable Trust for Wang Children
Class A Common Stock	206,667	Indirect	By Wang-Chen Family Living Trust

Footnotes

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.