SPENCER DARIEN 4
4 · Ouster, Inc. · Filed Mar 16, 2026
Research Summary
AI-generated summary of this filing
Ouster (OUST) COO Spencer Darien Sells 10,938 Shares
What Happened
Spencer Darien, Chief Operating Officer of Ouster, sold 10,938 shares in a transaction on March 12, 2026. The weighted-average sale price was $23.43 per share for total proceeds of approximately $256,308. This sale was executed to cover withholding taxes arising from the vesting and settlement of restricted stock units.
Key Details
- Transaction date: 2026-03-12 (reported on Form 4 filed 2026-03-16). Filing appears timely (within 2 business days).
- Transaction type: Open-market sale (reported as S); sale was to cover tax withholding related to RSU vesting (footnote F1).
- Price: Weighted average $23.43; individual trades ranged $22.9640–$23.4522 (footnote F2). Reporting person can provide per-trade breakdown on request.
- Shares sold: 10,938; proceeds ≈ $256,308.
- Shares owned after transaction: Not disclosed in the provided excerpt.
- Plan/authorization: Sale was pursuant to a Rule 10b5-1 sale-to-cover instruction letter dated Aug 19, 2025 (footnote F1).
Context
This was a sale to satisfy tax withholding on vested RSUs rather than an open-ended disposition for investment reasons. Such “sell-to-cover” transactions are common following awards and do not necessarily indicate the insider’s view on the company’s prospects.
Insider Transaction Report
Form 4
Ouster, Inc.OUST
SPENCER DARIEN
Chief Operating Officer
Transactions
- Sale
Common Stock
[F1][F2]2026-03-12$23.43/sh−10,938$256,308→ 325,250 total
Footnotes (2)
- [F1]Reflects shares sold to cover withholding taxes incurred upon the vesting and settlement of restricted stock units pursuant to a Rule 10b5-1 sale to cover instruction letter dated August 19, 2025.
- [F2]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.9640 to $23.4522. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
Signature
/s/ Megan Chung, as Attorney-in-Fact for Darien Spencer|2026-03-16