Ouster, Inc. director Susan Heystee filed a Form 144 notice on November 10, 2026, proposing the sale of 7,551 shares of Ouster common stock through Morgan Stanley Smith Barney LLC Executive Financial Services.

Key Highlights

  • Proposed seller: Susan Heystee, identified in the filing as a Director of Ouster, Inc.
  • Shares to be sold: 7,551 shares of common stock, with an aggregate market value of $282,731.34.
  • Shares outstanding: 72,997,169 shares of common stock outstanding, according to the filing.
  • Approximate sale date: November 10, 2026, to be executed through NASDAQ via Morgan Stanley Smith Barney LLC.
  • Source of shares: Five separate restricted stock acquisitions from the issuer, dated July 7, 2025; October 6, 2025; June 17, 2026; July 6, 2026; and October 5, 2026.
  • Prior sales: The filing reports nothing to disclose under securities sold during the past three months.

Details of Heystee's Proposed Rule 144 Sale at Ouster

According to the Form 144 filed with the U.S. Securities and Exchange Commission, Susan Lynn Heystee, a director of Ouster, Inc. (NASDAQ:OUST), intends to sell 7,551 shares of the company's common stock. The filing lists an aggregate market value of $282,731.34 for the proposed sale, with an approximate sale date of November 10, 2026. The designated broker is Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, 8th Floor, New York, NY 10004.

The shares proposed for sale were acquired through five separate restricted stock transactions, all from the issuer. The filing itemizes these as: 1,712 shares acquired on July 7, 2025; 1,010 shares acquired on October 6, 2025; 3,390 shares acquired on June 17, 2026; 660 shares acquired on July 6, 2026; and 779 shares acquired on October 5, 2026. All acquisitions are described as restricted stock grants, with payment listed as "Not Applicable" in each instance.

The filing states that no securities of the issuer were sold by Heystee during the past three months, reporting "Nothing to Report" for that section. By signing the notice, Heystee represented, as stated in the form, that she "does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed." Ouster, Inc. is headquartered at 350 Treat Avenue, San Francisco, California 94110.

What Was Disclosed

Ouster, Inc. director Susan Heystee filed a Form 144 notice proposing the sale of 7,551 common shares, valued at $282,731.34 in aggregate, sourced from five restricted stock grants received between July 2025 and October 2026, with no sales reported in the prior three months.