September 17, 2025 · Form 4 insider transaction
Liu Tracy bought 15,000 shares of ACMR at $1.00 per share, a transaction worth $15.0K. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 2 days after the transaction.
On September 17, 2025, the reporting person exercised a previously issued stock option to purchase 15,000 shares of Class A Common Stock of the Issuer.