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Insider selling
Charles C Pappis sold $260K of ACM Research, Inc. (ACMR) stock
Charles C Pappis, Dir of ACM Research, Inc. (ACMR), sold 5,000 shares of ACMR stock worth $260K, per an SEC Form 4 filed Apr 21, 2026.
The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.
The trade happened on Apr 17, 2026, 4 days before it was made public.
ACMR has moved +43.8% since the trade date, from $50.61 to $72.77 (Sep 21, 2026 close).
- Traded
- Apr 17, 2026
- Disclosed
- Apr 21, 2026
- Filing delay
- 4 days
- Price since
- +43.8%
- Role
- Dir
- Source
- SEC Form 4
More ACMR insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.