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Ouster, Inc. Chief Technology Officer Mark Frichtl exercised stock options and sold shares in a pre-planned transaction. On March 25, 2026, he exercised 40,000 non-qualified stock options at an exercise price of $2.13 per share, receiving 40,000 shares of common stock.
That same day, he sold 40,000 common shares at a weighted-average price of $20.9394 per share in open-market transactions pursuant to a Rule 10b5-1 plan dated December 15, 2025, which the footnotes state included sales for tax planning purposes. After these transactions, he directly owned 636,882 common shares. The footnotes also note the options were fully vested and that the sale prices ranged from $20.53 to $21.30.
The Vanguard Group filed Amendment No. 3 on a Schedule 13G/A reporting zero beneficial ownership of Ouster Inc. common stock. The filing explains that on January 12, 2026 Vanguard completed an internal realignment and certain subsidiaries now report holdings separately in reliance on SEC Release No. 34-39538.
The Schedule shows 0 shares beneficially owned and 0% of the class, with no sole or shared voting or dispositive power. The form is signed by Ashley Grim on March 27, 2026.
Mark Frichtl reported a proposed sale and a recent sale of common shares of OUST. The filing lists a sale of $367,637.20 for 15,689 shares on 03/12/2026. It also lists an intended exercise of stock options to acquire up to 40,000 shares for cash on 03/25/2026, with transactions shown on NASDAQ.
Ouster, Inc. director Ted L. Tewksbury III reported an open-market sale of 1,695 shares of common stock at $20.00 per share on March 19, 2026. After this transaction, he directly owns 121,969 shares of Ouster common stock.
According to a footnote, the sale was made under a pre-arranged Rule 10b5-1 trading plan dated August 12, 2025 and includes activity for tax planning purposes. The transaction represents a relatively small portion of his overall reported holdings.
Ouster, Inc. Chief Operating Officer Darien Spencer reported an open-market sale of 10,938 shares of common stock on March 12, 2026 at a weighted average price of $23.4328 per share. According to the disclosure, the shares were sold to cover withholding taxes triggered by the vesting and settlement of restricted stock units, under a Rule 10b5-1 “sale to cover” instruction dated August 19, 2025. Following this tax-related sale, Spencer directly holds 325,250 shares of Ouster common stock.
Ouster, Inc. Chief Technology Officer Mark Frichtl reported an open-market sale of 15,689 shares of common stock on March 12, 2026 at a weighted average price of $23.4328 per share. According to the footnotes, the shares were sold to cover withholding taxes upon the vesting and settlement of restricted stock units pursuant to a Rule 10b5-1 sale-to-cover instruction letter dated June 9, 2025. Following this tax-related sale, Frichtl directly holds 636,882 shares of Ouster common stock.
Ouster, Inc. reported that its General Counsel and Secretary, Megan Chung, sold 9,593 shares of common stock on March 12, 2026 at a weighted average price of $23.4324 per share. According to the disclosure, these shares were sold solely to cover withholding taxes due upon the vesting and settlement of restricted stock units, pursuant to a Rule 10b5-1 sale-to-cover instruction letter dated August 20, 2025. After this tax-related sale, Chung directly holds 173,548 shares of Ouster common stock.
Ouster, Inc. President and CEO Charles Angus Pacala reported an open-market sale of 24,657 shares of Common Stock at a weighted average price of $23.4274 per share. According to the footnotes, the shares were sold to cover withholding taxes upon the vesting and settlement of restricted stock units under a Rule 10b5-1 sale-to-cover instruction. Following this transaction, he directly holds 960,660 shares of Ouster common stock.
ETrade Financial Corporation filed a Form 144 indicating 29,167 shares of Common Stock (restricted stock unit awards) are proposed to be sold by the issuer.
The filing also reports that Mark Frichtl sold 15,661 shares on 12/12/2025 for $391,207.08. The restricted units were awarded for services rendered on 04/01/2025.