Liu Tracy 4

What Happened Tracy Liu, a director of ACM Research (ACMR), exercised a total of 60,000 options (45,000 on 2026-03-10 and 15,000 on 2026-03-11) at a $1.00 strike (cash paid $60,000). The reporting person sold the 60,000 shares in open-market transactions across 3/10–3/11 for aggregate proceeds of approximately $2,850,782. The sales were executed under a Rule 10b5-1 trading plan.

Key Details

• Transaction dates: exercises on 2026-03-10 and 2026-03-11; corresponding open-market sales on 2026-03-10 and 2026-03-11. Filing date: 2026-03-12 (timely).
• Exercise: 60,000 shares acquired at $1.00 (total cash to exercise $60,000). Option noted as fully vested (F6).
• Sales: 60,000 shares sold in multiple trades (32,216 @ $47.06; 12,784 @ $48.19; 11,623 @ $47.81; 3,377 @ $48.25). Total proceeds ≈ $2,850,782. Reported prices are weighted averages; execution price ranges noted in footnotes (approx. $46.67–$48.50).
• Plan/notes: Sales effected pursuant to a 10b5-1 plan adopted Dec 4, 2025 (F1). Some Form 4 entries show the derivative leg reported as disposed at $0, reflecting the exercise/conversion of the derivative.
• Shares owned after the transactions are not provided in the summary data; see the Form 4 filing for current holdings.

Context This is a typical exercised-option plus immediate sale (cashless-style) transaction: the insider exercised vested options and sold the resulting shares under a pre-established plan. Such transactions are often routine and governed by trading plans; they are factual disclosures and should not be taken alone as a signal of company outlook.