Wang David H sold ACMR
September 9, 2026 · Form 4 insider transaction
Wang David H sold 18,934 shares of ACM Research, Inc. at $74.67 per share, a transaction worth $1.41M. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Disposed (sell-side)
Shares
18,934
Price
$74.67
Total value
$1.41M
InsiderWang David H
RoleOfficer, Director, 10% owner
CompanyACM Research, Inc. (ACMR)
SecurityClass A Common Stock
Transaction codeS: Open-market sale
Transaction dateSeptember 9, 2026
Filing dateSeptember 10, 2026
Shares owned after820,281
OwnershipDirect
10b5-1 planYes
AmendedNo
Footnotes
The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 5, 2026.; The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $74.26 to $75.22, inclusive.