ACM Research, Inc. Chief Operations Officer Yue Ma received stock option and restricted stock unit grants on October 1, 2026, according to a Form 4 filed with the SEC on November 6, 2026.

Key Highlights

  • Stock option grant: Yue Ma acquired a stock option covering 100,000 shares of Class A Common Stock at an exercise price of $83.58, with an expiration date of September 30, 2036.
  • RSU grant: Ma also received 13,470 restricted stock units linked to Class A Common Stock, priced at $74.24 per unit based on the 30-trading-day average closing price preceding the grant date.
  • Vesting schedule - options: Twenty-five percent of the stock option shares vest on October 1, 2027, with the remaining shares vesting in 36 equal monthly installments beginning November 2027, subject to continued service.
  • Vesting schedule - RSUs: The restricted stock units vest in four equal annual installments of 25 percent on each anniversary of the grant date, subject to continued service.
  • Post-transaction holdings: Following the reported transactions, Ma beneficially owns 100,000 stock options and 13,470 restricted stock units, both held directly.
  • Price of derivative securities: Both the stock option and the RSU award were acquired at a price of $0 per the filing.

Yue Ma's October 2026 Equity Awards at ACM Research

According to the Form 4 filed on NASDAQ:ACMR, Yue Ma, identified in the filing as Chief Operations Officer of ACM Research, Inc., received two derivative security grants on October 1, 2026. The first was a stock option to purchase 100,000 shares of Class A Common Stock at an exercise price of $83.58 per share, expiring September 30, 2036. The filing reports that both awards were acquired at a price of $0.

The second grant consisted of 13,470 restricted stock units tied to Class A Common Stock. The filing states that the per-unit price of $74.24 was determined by the average closing market price of the issuer's common stock for the 30 trading days preceding the grant date. Both awards are listed as directly held by Ma and were reported with transaction code "A," indicating acquisition.

The filing was signed by Mark McKechnie as Attorney-in-Fact for Yue Ma and dated November 6, 2026. No shares of non-derivative securities were reported as acquired or disposed of in Table I of the filing. The form was filed by one reporting person and indicates Ma's role as an officer of ACM Research, Inc.

What Was Disclosed

The filing disclosed two equity awards granted to ACM Research COO Yue Ma on October 1, 2026: a stock option for 100,000 shares at $83.58 and 13,470 restricted stock units at $74.24, both subject to continued-service vesting conditions.