Fuping Chen Acm Research, Inc. (ACMR) insider trading activity

Fuping Chen is of ACM Research, Inc.. Currently has a direct ownership of 0 shares of ACMR, which is worth approximately $0. The most recent transaction as insider was on Dec 03, 2025, when has been sold 20,000 shares (Class A Common Stock) at a price of $33.31 per share, resulting in proceeds of $666,200. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 0

0% 3M change

0% 12M change

Total Value Held $0

Fuping Chen Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Dec 03 2025	SELL Open market or private sale	$666,200 $33.31 p/Share	20,000 Reduced 100.0%	0 Class A Common Stock
Dec 03 2025	BUY Exercise of conversion of derivative security	$35,400 $1.77 p/Share	20,000 Added 50.0%	20,000 Class A Common Stock
Dec 02 2025	SELL Open market or private sale	$3,320,000 $33.2 p/Share	100,000 Reduced 100.0%	0 Class A Common Stock
Dec 02 2025	BUY Exercise of conversion of derivative security	$177,000 $1.77 p/Share	100,000 Added 50.0%	100,000 Class A Common Stock
Aug 23 2023	SELL Open market or private sale	$1,575,000 $15.0 p/Share	105,000 Reduced 100.0%	0 Class A Common Stock
Aug 23 2023	BUY Exercise of conversion of derivative security	$145,950 $1.39 p/Share	105,000 Added 50.0%	105,000 Class A Common Stock
Feb 12 2021	SELL Open market or private sale	$3,600,000 $120.0 p/Share	30,000 Reduced 100.0%	0 Class A Common Stock

Feb 12 2021	BUY Exercise of conversion of derivative security	$90,000 $3.0 p/Share	30,000 Added 50.0%	30,000 Class A Common Stock

Fuping Chen

Fremont, CA

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