A Form 4 filed on September 10, 2026 reports that Elizabeth M. Schwarting, a director of Ambarella Inc (NASDAQ:AMBA), acquired 3,151 ordinary shares in the form of restricted stock units on September 8, 2026 at a price of $0.0 per share.

Key Highlights

  • RSU Grant: Elizabeth M. Schwarting acquired 3,151 ordinary shares via a restricted stock unit grant on September 8, 2026, at a price of $0.0.
  • Board Approval: According to the filing, the Board of Directors approved the grant effective September 8, 2026 as an annual RSU award to each independent director.
  • Vesting Schedule: The RSUs vest as to 1/4th of the ordinary shares each three months following the vesting start date of September 15, 2026, becoming 100% vested on September 15, 2027, subject to continued service.
  • Post-Transaction Ownership: Following the transaction, Schwarting directly beneficially owns 9,841 ordinary shares, according to the filing.
  • Transaction Code: The acquisition is coded "A" (acquired), filed by one reporting person.

Ambarella Board Awards Annual RSU Grant to Independent Director Schwarting

According to the Form 4 filed with the U.S. Securities and Exchange Commission on September 10, 2026, Elizabeth M. Schwarting, listed as a director of Ambarella Inc (NASDAQ:AMBA), received an annual restricted stock unit grant of 3,151 ordinary shares. The filing states the transaction date was September 8, 2026, and the price per share is recorded as $0.0, consistent with an RSU award that carries no exercise cost to the recipient at the time of grant.

The filing's explanation of responses notes that "effective as of September 8, 2026, the Board of Directors approved an annual restricted stock unit grant of 3,151 Ordinary Shares to each independent director." The RSU grant is described as vesting in quarterly increments of 1/4th of the ordinary shares every three months from the vesting start date of September 15, 2026, reaching full vesting on September 15, 2027, subject to continued service with the company.

Following this reported transaction, the filing states that Schwarting directly beneficially owns 9,841 ordinary shares of Ambarella Inc. The Form 4 was signed by Michael Morehead as attorney-in-fact for Elizabeth Schwarting and filed on September 10, 2026. No derivative securities transactions were reported in this filing.

What Was Disclosed

The filing discloses a director-level annual RSU grant of 3,151 ordinary shares to Ambarella director Elizabeth M. Schwarting, approved by the Board of Directors on September 8, 2026, with a quarterly vesting schedule ending September 15, 2027.