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

David H Wang is of ACM Research, Inc.. Currently has a direct ownership of 598,006 shares of ACMR, which is worth approximately $12.3 Million. The most recent transaction as insider was on Nov 29, 2024, when has been sold 56,250 shares (Class A Common Stock) at a price of $17.44 per share, resulting in proceeds of $981,000. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 598K

18.65% 3M change

18.65% 12M change

Total Value Held $12.3 Million

David H Wang Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Nov 29 2024	SELL Open market or private sale	$981,000 $17.44 p/Share	56,250 Reduced 8.6%	598,006 Class A Common Stock
Nov 26 2024	SELL Open market or private sale	$1,015,312 $18.05 p/Share	56,250 Reduced 7.92%	654,256 Class A Common Stock
Nov 22 2024	SELL Open market or private sale	$1,073,250 $19.08 p/Share	56,250 Reduced 7.34%	710,506 Class A Common Stock
Nov 14 2024	SELL Payment of exercise price or tax liability	$135,000 $18.59 p/Share	7,262 Reduced 0.94%	766,756 Class A Common Stock
Nov 14 2024	BUY Exercise of conversion of derivative security	$135,000 $0.5 p/Share	270,000 Added 25.86%	774,018 Class A Common Stock
May 29 2024	SELL Open market or private sale	$1,947,355 $22.62 p/Share	86,090 Reduced 14.59%	504,018 Class A Common Stock
May 22 2024	SELL Open market or private sale	$2,052,900 $22.81 p/Share	90,000 Reduced 13.23%	590,108 Class A Common Stock
May 14 2024	SELL Payment of exercise price or tax liability	$90,008 $23.02 p/Share	3,910 Reduced 0.57%	680,108 Class A Common Stock
May 14 2024	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 14 2024	SELL Open market or private sale	$2,434,137 $27.95 p/Share	87,089 Reduced 14.73%	504,018 Class A Common Stock
Mar 08 2024	SELL Open market or private sale	$2,732,400 $30.36 p/Share	90,000 Reduced 13.21%	591,107 Class A Common Stock
Mar 01 2024	SELL Payment of exercise price or tax liability	$90,008 $30.92 p/Share	2,911 Reduced 0.43%	681,107 Class A Common Stock
Mar 01 2024	BUY Exercise of conversion of derivative security	$90,000 $0.5 p/Share	180,000 Added 20.83%	684,018 Class A Common Stock
Nov 29 2023	SELL Open market or private sale	$1,452,212 $17.13 p/Share	84,776 Reduced 14.4%	504,018 Class A Common Stock
Nov 22 2023	SELL Open market or private sale	$1,591,200 $17.68 p/Share	90,000 Reduced 13.26%	588,794 Class A Common Stock
Nov 14 2023	SELL Payment of exercise price or tax liability	$90,009 $17.23 p/Share	5,224 Reduced 0.76%	678,794 Class A Common Stock
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

DHW

David H Wang

Fremont, CA

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