Welcome to our dedicated page for Ouster SEC filings (Ticker: OUST), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Ouster, Inc. filings document the public-company record for a Nasdaq-listed sensing and perception company with common stock traded under OUST. The disclosures cover operating results, product revenue commentary, lidar and camera shipment data, and material events tied to its digital lidar, camera vision, AI compute, sensor fusion and perception software portfolio.
Recent filings include Form 8-K reports for financial results, the closed Stereolabs acquisition and an at-the-market common stock sales agreement under a shelf registration statement. Proxy materials describe annual meeting matters, board governance and stockholder voting procedures. Form 25 notices document Nasdaq removal and registration withdrawal for warrant securities, while the company’s cover disclosures identify common stock on the Nasdaq Global Select Market.
Ouster, Inc. (OUST) reported that its General Counsel and Secretary, Megan Chung, sold 11,484 shares of common stock on September 14, 2026, in an open-market transaction with a weighted average price of $33.9597 per share. The sale was executed under a Rule 10b5-1 “sale to cover” instruction to satisfy withholding taxes upon vesting of restricted stock units, and she now holds 189,291 shares directly.
Ouster, Inc. (OUST) reported that Chief Operating Officer Darien Spencer sold 12,808 shares of common stock on September 14, 2026. The filing states these 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 dated August 19, 2025. After this tax-related sale, Spencer directly held 286,998.5 shares of Ouster common stock.
Ouster, Inc. (OUST) reported that President and CEO Charles Angus Pacala sold 30,385 shares of common stock on September 14, 2026 at a weighted average price of $33.9591 per share. The filing states these shares were sold to cover withholding taxes from vesting restricted stock units pursuant to a Rule 10b5-1 sale-to-cover instruction. Following this tax-related sale, Pacala directly holds 1,041,816 shares of Ouster common stock.
Ouster, Inc. (OUST) reported that Chief Revenue Officer Cyrille Jacquemet sold 8,896 shares of common stock on September 14, 2026 at a weighted average price of $33.9583 per share. The company states the shares were sold to cover withholding taxes from vested restricted stock units, leaving 105,538.5 shares held directly.
Ouster, Inc. (OUST) reported that its Chief Financial Officer, Kenneth P. Gianella, sold 15,686 shares of common stock on September 14, 2026. The sale was made to cover withholding taxes upon vesting and settlement of restricted stock units and was executed pursuant to a Rule 10b5-1 sale to cover instruction letter dated August 20, 2025. After this transaction, he held 245,328 shares directly.
Ouster, Inc. (OUST) insider Mark Frichtl, Chief Technology Officer, reported selling 18,778 shares of common stock on September 14, 2026 at a weighted average price of $33.9595 per share. The sale was executed to cover withholding taxes from vesting restricted stock units under a Rule 10b5-1 sale-to-cover instruction. After this tax-related sale, Frichtl directly holds 318,987 shares of Ouster common stock.
Ouster, Inc. (OUST) received a notice that officer Mark Frichtl intends to sell common stock under Rule 144. The notice covers up to 20,353 shares of common stock, with an aggregate market value of $763,033.97 and 72,112,333 shares of common stock outstanding as of September 11, 2026.
The shares relate to restricted stock unit (RSU) awards granted under an incentive award plan, and the filing states that shares are to be sold to cover withholding taxes upon vesting of these RSUs. The notice also lists several common stock sales by Mark Frichtl during the prior three months.
Ouster, Inc. (OUST) reports that officer Megan Chung has filed notice of a proposed sale under Rule 144 of up to 12,447 shares of common stock through E*TRADE, with sales expected on or after September 11, 2026. The shares relate to restricted stock units granted for services, and the filing states the sales are intended to cover withholding taxes upon vesting. Chung previously sold 11,261 shares of common stock on June 12, 2026.
Ouster, Inc. (OUST) received a Rule 144 notice for proposed sales of its common stock by officer Spencer Darien through E*TRADE Financial Corporation. The notice covers the potential sale of 13,882 shares of common stock on or after September 11, 2026, with an indicated aggregate market value of $520,436.18.
The shares relate to vested or vesting restricted stock units granted under an incentive award plan, with grants dated March 16, 2023, March 21, 2025, and April 11, 2026 totaling 24,177 underlying shares. The filer states that shares are to be sold to cover withholding taxes upon vesting of these restricted stock units. The notice also reports prior sales in the last three months.
Ouster, Inc. (OUST) has an officer, Cyrille Jacquemet, filing a Rule 144 notice to sell 9,642 shares of Common Stock through E*TRADE Financial Corporation, with an aggregate market value of $361,478.58 and based on 72,112,333 shares outstanding as of September 11, 2026. The shares relate to restricted stock units granted under an incentive award plan, including blocks of 13,333 and 3,459 RSUs that vested for services rendered, and are to be sold to cover withholding taxes upon vesting. The notice also reports a prior sale of 8,723 shares on June 12, 2026 for $338,653.03.