Liu Tracy bought ACMR

March 11, 2026 · Form 4 insider transaction

Liu Tracy bought 15,000 shares of ACM Research, Inc. at $1.00 per share, a transaction worth $15.0K. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 1 day after the transaction.

Direction
Acquired (buy-side)
Shares
15,000
Price
$1.00
Total value
$15.0K
InsiderLiu Tracy
RoleDirector
SecurityClass A Common Stock
Transaction codeM: Option exercise
Transaction dateMarch 11, 2026
Filing dateMarch 12, 2026
Shares owned after125,772
OwnershipDirect
10b5-1 planNo
AmendedNo
View the original Form 4 on SEC EDGAR