Darien Spencer - Sep 12, 2025 Form 4 Insider Report for Ouster, Inc. (OUST)

Role: Chief Operating Officer
Signature: /s/ Megan Chung, as Attorney-in-Fact for Darien Spencer
Stock symbol: OUST
Transactions as of: Sep 12, 2025
Transactions value $: -$520,043
Form type: 4
Date filed: 9/16/2025, 05:57 PM
Previous filing: Jun 16, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
SPENCER DARIEN	Chief Operating Officer	350 TREAT AVENUE, SAN FRANCISCO	/s/ Megan Chung, as Attorney-in-Fact for Darien Spencer	2025-09-16	0001226378

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	OUST	Common Stock	Sale	-$520K	-18.3K	-5.01%	$28.46	346K	Sep 12, 2025	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Reflects shares sold to cover withholding taxes incurred upon the vesting and settlement of restricted stock units in a trade that was initiated by the Issuer on the Reporting Person's behalf.
F2	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.4299 to $29.0101. 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.

Content

Reflects shares sold to cover withholding taxes incurred upon the vesting and settlement of restricted stock units in a trade that was initiated by the Issuer on the Reporting Person's behalf.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.4299 to $29.0101. 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.