ACM Research, Inc.·4

Jun 5, 4:30 PM ET

Wang David H 4

Research Summary

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ACM Research (ACMR) CEO David Wang Exercises Options, Sells Shares

What Happened
David H. Wang (CEO, President, Director and 10% owner) exercised a total of 100,002 option shares (60,000 on 2026-06-03 and 40,002 on 2026-06-04) at $1.00 per share (cash cost ≈ $100,002) and sold the same 100,002 shares in open-market transactions for aggregate proceeds of approximately $8.84 million. The sales occurred on 2026-06-03 and 2026-06-04 at prices roughly between $83.86 and $93.04 per share (weighted-average prices reported for multiple trades).

Key Details

  • Transaction dates: 2026-06-03 and 2026-06-04; Form filed 2026-06-05 (timely).
  • Options exercised: 60,000 @ $1.00 on 6/3 and 40,002 @ $1.00 on 6/4 (total acquired = 100,002; total exercise cost ≈ $100,002).
  • Shares sold: 100,002 shares across multiple trades; total proceeds ≈ $8,835,389 (~$8.84M).
  • Sales executed pursuant to a Rule 10b5-1 trading plan adopted Nov 29, 2024 (Footnote F1).
  • Footnotes note weighted-average prices and price ranges for grouped trades; option is fully vested and exercisable (F13).
  • Reporting status: Wang is a 10% owner and company chief executive; filing appears timely (not marked late).

Context
This was an exercise of vested options followed by sales of the resulting shares (a common cash-raising/cashless exercise pattern). Because the sales were carried out under a pre-established 10b5-1 plan, they were likely automatic transactions under that plan rather than ad hoc sales. As with all insider activity, this is a factual disclosure and does not by itself indicate the insider’s private view of the company’s prospects.