David H. Wang - Chief Executive Officer, President and Director, Director, 10%+ Owner at ACM Research, Inc.

Issuer-level insider activity

Role: Chief Executive Officer, President and Director, Director, 10%+ Owner
Issuer ticker: ACMR on Nasdaq
Entity type: Individual
Source filing history: Open source filing history

Past-year transaction volume for David H. Wang in ACM Research, Inc.

Buys

Open market

Shares
Avg price
Total value

Sells

Open market

Shares: -340,002
Avg price: $53.97
Total value: -$18,351,270

Net

Past year

Shares: -340,002
Share %: -100%
Total value: -$18,351,270

Reported holdings for David H. Wang in ACM Research, Inc.

Form 4 holding Chief Executive Officer, President and Director, Director, 10%+ Owner

ACM Research, Inc.

Security class: Class A Common Stock
Shares / value: 802,708
Estimated value: $70,566,060
Report date: 04 Jun 2026
Price: $87.91
Ownership: Direct

Form 4 holding Chief Executive Officer, President and Director, Director, 10%+ Owner

ACM Research, Inc.

Security class: Class A Common Stock
Shares / value: 620,001
Estimated value: $24,397,039
Report date: 03 Jun 2026
Price: $39.35
Ownership: By Wang-Chen Family Living Trust

Form 4 holding Chief Executive Officer, President and Director, Director, 10%+ Owner

ACM Research, Inc.

Security class: Class A Common Stock
Shares / value: 180,000
Estimated value: $7,083,000
Report date: 03 Jun 2026
Price: $39.35
Ownership: By David Hui Wang and Jing Chen Family Irrevocable Trust for Wang Children

Form 4 holding Chief Executive Officer, President and Director, Director, 10%+ Owner

ACM Research, Inc.

Security class: Class A Common Stock
Shares / value: 100,002
Estimated value: $3,935,078
Report date: 03 Jun 2026
Price: $39.35
Ownership: By Jing Chen, wife of David H. Wang

Form 4 holding Chief Executive Officer, President and Director, Director, 10%+ Owner

ACM Research, Inc.

Security class: Class A Common Stock
Shares / value: 45,837
Estimated value: $1,803,685
Report date: 03 Jun 2026
Price: $39.35
Ownership: By Sophia Wang, daughter of David H. Wang

Form 4 holding Chief Executive Officer, President and Director, Director, 10%+ Owner

ACM Research, Inc.

Security class: Stock Option
Shares / value: 270,000
Estimated value
Report date: 04 Jun 2026
Price
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount

Form 4 holding Chief Executive Officer, President and Director, Director, 10%+ Owner

ACM Research, Inc.

Security class: Restricted Stock Units
Shares / value: 6,208
Estimated value
Report date: 13 May 2026
Price
Ownership: By Sophia Wang, daughter of David H. Wang
Underlying class: Class A Common Stock
Underlying amount

Transaction history for David H. Wang in ACM Research, Inc.

Sym	Class	Transaction	%	SEC-reported value	SEC-reported price	Shares	Shares after	Date	Ownership

^* marks a reported price that did not pass the local price check.

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