April 17, 2026 · Form 4 insider transaction
Pappis Charles C sold 5,000 shares of ACM Research, Inc. at $52.00 per share, a transaction worth $260.0K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 4 days after the transaction.
The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2025.