Insidervault
LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
Reporting ownerCIK 0001721581

Haiping Dun

18 transactions in one company, from November 12, 2025 to August 18, 2026.

Transactions
181 company
Bought · P
$0open market
Sold · S
$954Kopen market
Net
−$954Knet selling

By company

Where this insider traded.

CompanyTickerTradesBoughtSold
ACM Research, Inc.ACMR18—$954K

All transactions

18 in total, newest filings first.

CompanyTickerInsiderDateCodeSharesPriceValue
ACM Research, Inc.ACMRHaiping DunDirDERIVAug 12A728$0.00—?
ACM Research, Inc.ACMRHaiping DunDirDERIVAug 12A6,400$0.00—?
ACM Research, Inc.ACMRHaiping DunDirDERIVAug 18MPLAN5,000$0.00—?
ACM Research, Inc.ACMRHaiping DunDirAug 18SPLAN400$82.17$33K
ACM Research, Inc.ACMRHaiping DunDirAug 18SPLAN3,400$81.31$276K
ACM Research, Inc.ACMRHaiping DunDirAug 18SPLAN1,200$80.29$96K
ACM Research, Inc.ACMRHaiping DunDirAug 18MPLAN5,000$5.60$28K
ACM Research, Inc.ACMRHaiping DunDirDERIVMay 19MPLAN5,000$0.00—?
ACM Research, Inc.ACMRHaiping DunDirMay 19SPLAN1,858$67.54$125K
ACM Research, Inc.ACMRHaiping DunDirMay 19SPLAN1,309$67.21$88K
ACM Research, Inc.ACMRHaiping DunDirMay 19SPLAN500$65.09$33K
ACM Research, Inc.ACMRHaiping DunDirMay 19SPLAN1,333$63.84$85K
ACM Research, Inc.ACMRHaiping DunDirMay 19MPLAN5,000$5.60$28K
ACM Research, Inc.ACMRHaiping DunDirDERIVMar 9MPLAN5,000$0.00—?
ACM Research, Inc.ACMRHaiping DunDirMar 9SPLAN900$43.94$40K
ACM Research, Inc.ACMRHaiping DunDirMar 9SPLAN4,100$43.37$178K
ACM Research, Inc.ACMRHaiping DunDirMar 9MPLAN5,000$5.60$28K
ACM Research, Inc.ACMRHaiping DunDirNov 12G755,090$0.00—