David H Wang Acm Research, Inc. (ACMR) insider trading activity

David H Wang is of ACM Research, Inc.. Currently has a direct ownership of 672,708 shares of ACMR, which is worth approximately $16.1 Million. The most recent transaction as insider was on Nov 14, 2023, when has been sold 180,000 shares (Class A Common Stock) at a price of $0.5 per share, resulting in proceeds of $90,000. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 673K

16.33% 3M change

33.47% 12M change

Total Value Held $16.1 Million

David H Wang Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Nov 14 2023	BUY Exercise of conversion of derivative security	$90,000 $0.5 p/Share	180,000 Added 20.83%	684,018 Class A Common Stock
Sep 13 2023	SELL Open market or private sale	$1,504,850 $17.68 p/Share	85,116 Reduced 14.45%	504,018 Class A Common Stock
Sep 12 2023	SELL Open market or private sale	$1,654,200 $18.38 p/Share	90,000 Reduced 13.25%	589,134 Class A Common Stock
Sep 04 2023	SELL Payment of exercise price or tax liability	$90,012 $18.43 p/Share	4,884 Reduced 0.71%	679,134 Class A Common Stock
Sep 04 2023	BUY Exercise of conversion of derivative security	$90,000 $0.5 p/Share	180,000 Added 20.83%	684,018 Class A Common Stock
Mar 19 2021	SELL Open market or private sale	$4,457,596 $90.55 p/Share	49,228 Reduced 22.66%	168,006 Class A Common Stock
Mar 18 2021	SELL Open market or private sale	$4,596,000 $91.92 p/Share	50,000 Reduced 18.71%	217,234 Class A Common Stock
Mar 12 2021	SELL Payment of exercise price or tax liability	$75,020 $97.05 p/Share	773 Reduced 0.29%	267,234 Class A Common Stock
Mar 12 2021	BUY Exercise of conversion of derivative security	$75,001 $0.75 p/Share	100,001 Added 27.17%	268,007 Class A Common Stock
Dec 04 2020	SELL Open market or private sale	$3,804,699 $77.14 p/Share	49,322 Reduced 22.69%	168,006 Class A Common Stock
Dec 03 2020	SELL Open market or private sale	$4,097,032 $82.5 p/Share	49,661 Reduced 18.6%	217,328 Class A Common Stock
Nov 25 2020	SELL Payment of exercise price or tax liability	$75,014 $73.76 p/Share	1,017 Reduced 0.38%	266,989 Class A Common Stock
Nov 25 2020	BUY Exercise of conversion of derivative security	$75,000 $0.75 p/Share	100,000 Added 27.2%	267,667 Class A Common Stock

DHW

David H Wang

Fremont, CA

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