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ACMRTechnology

ACM Research Inc (ACMR) Insider Trading

In the last 90 days, 3 ACM Research Inc (ACMR) insiders reported no open-market purchases and 3 sales totaling $15,300,647. Source: SEC Form 4 filings.

SEC-reported filing activity is provided for research purposes and is not investment advice.

90-day C-suite buyers
0
90-day purchase value
$0.00
Corporate buyers
0
Latest transaction
Sep 9, 2026

Executive filings

Open-market transaction history

Purchase and sale summaries are ordered by the latest reported transaction date.

Open-market insider purchase and sale transactions
DateInsider nameRoleTypeSharesPriceTotal value
Sep 9, 2026David H WangSee RemarksSale140,000$75.93$10,630,004
Aug 20, 2026Mark McKechnieSee RemarksSale55,199$77.27$4,264,973
Aug 18, 2026Haiping DunDirectorSale5,000$81.13$405,670
Jun 5, 2026Sotheara CheavSee remarksSale18,750$84.58$1,585,924
Jun 4, 2026David H WangSee RemarksSale100,002$88.35$8,835,387
May 19, 2026Haiping DunDirectorSale5,000$66.22$331,111
Apr 17, 2026Charles C PappisDirectorSale5,000$52.00$260,000

Common questions

ACMR insider trading FAQ

Are ACMR insiders buying or selling?
Over the last 90 days, ACMR insiders were net sellers, reporting $0.00 of open-market purchases and $15,300,647 of sales.
When was the last ACMR insider purchase?
No open-market insider purchase of ACM Research Inc stock was reported in the last 90 days.
Where does ACMR insider trading data come from?
Watch Insiders reads the SEC Form 4 filings that ACM Research Inc officers, directors, and 10% owners submit to EDGAR, and refreshes this page daily.