Form 4: Ouster COO Sells Shares for Tax Obligations

Ouster's Chief Operating Officer, Darien Spencer, sold 10,919 shares of common stock to cover tax liabilities from restricted stock unit vesting.

Summary

• Darien Spencer, Chief Operating Officer of Ouster, Inc., reported a transaction involving the company's common stock.
• On December 12, 2025, Spencer sold 10,919 shares of Ouster common stock at a weighted average price of $24.978 per share.
• The sale was executed pursuant to a Rule 10b5-1 plan, dated August 19, 2025, specifically to cover withholding taxes incurred upon the vesting and settlement of restricted stock units.
• The shares were sold in multiple transactions with prices ranging from $24.7757 to $24.98663.
• Following this transaction, Spencer beneficially owns 336,188 shares of Ouster common stock.
• This total includes 975 shares of common stock acquired by Spencer on November 15, 2025, through the Company's Amended and Restated 2022 Employee Stock Purchase Plan.

Sentiment

Score: 5

Explanation: The transaction is a routine, pre-planned sale to cover tax obligations upon RSU vesting, which is a common occurrence for executives and not indicative of a change in sentiment towards the company. The simultaneous acquisition of shares via ESPP further supports a neutral to slightly positive view on the insider's overall position.

Positives

• The Chief Operating Officer acquired 975 shares of common stock through the Employee Stock Purchase Plan on November 15, 2025, indicating continued participation in company equity.

Future Outlook

No forward-looking statements or guidance are provided in this Form 4 filing.

Industry Context

This insider transaction is a routine event for executives and does not provide specific insights into broader industry trends or competitive landscape.

Stakeholder Impact

• Shareholders: Minimal direct impact as this is a routine, pre-planned tax-related sale by an insider, not indicative of a change in company fundamentals or insider sentiment.

Key Dates

Recommendation

This transaction is a routine, pre-planned event for tax purposes and does not provide new fundamental information about Ouster, Inc. that would warrant a change in investment thesis. The insider also acquired shares through an Employee Stock Purchase Plan, indicating continued participation in company equity.

Keywords

Ouster, OUST, Insider Trading, Form 4, Stock Sale, Restricted Stock Units, Tax Withholding, 10b5-1 Plan, Employee Stock Purchase Plan