Dun Haiping bought ACMR
August 12, 2026 · Form 4 insider transaction
Dun Haiping bought 728 shares of ACM Research, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 14 days after the transaction.
Direction
Acquired (buy-side)
Shares
728
Price
$0.00
Total value
N/A
InsiderDun Haiping
RoleDirector
CompanyACM Research, Inc. (ACMR)
SecurityRestricted Stock Units
Transaction codeA: Grant or award
Transaction dateAugust 12, 2026
Filing dateAugust 26, 2026
Shares owned after728
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
The price per restricted stock unit is based on the average closing market price of the Issuer's common stock for the 30 trading days preceding the grant day.; The restricted stock units should be vested immediately prior to the 2027 annual meeting of stockholders of the issuer, subject to continued service.