Trade Summary

2 days ago, Cheav Sotheara, serving as See remarks at ACM Research, Inc. (ACMR), sold 18,750 shares at $84.58 per share, for a total transaction value of $1,585,923.42. Following this transaction, Cheav Sotheara now holds 100,002 shares of ACMR.

This sale represents a 15.79% decrease in Cheav Sotheara's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Thursday, June 4, 2026 and publicly disclosed via SEC Form 4 filing on Saturday, June 6, 2026 (accepted Jun 5, 9:00 PM ET), 2 days after the trade was made.

ACM Research, Inc. operates in the TECHNOLOGY sector, specifically within the SEMICONDUCTOR EQUIPMENT & MATERIALS industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.