Haiping Dun

Director, ACM Research, Inc.

Bought, 12 months

$0.0M

Sold, 12 months

$1.0M

Companies

Latest trade

Aug 18, 2026

Companies

ACM Research, Inc.Director −$1.0M

Trades

ACMR Sold 5,000 shares at $81.13 · planned $0.4M Aug 18

ACMR Sold 5,000 shares at $66.22 · planned $0.3M May 19

ACMR Sold 5,000 shares at $43.47 · planned $0.2M Mar 9

Open-market trades from SEC Form 4 only: no grants, option exercises or gifts. People are matched by the name on their filings, so two people with the same name share this page. For information only — not investment advice.