Susan Heystee - 12 Dec 2025 Form 4 Insider Report for Ouster, Inc. (OUST)

Role: Director
Signature: /s/ Megan Chung, as Attorney-in-Fact for Susan Heystee
Issuer symbol: OUST
Transactions as of: 12 Dec 2025
Net transactions value: -$291,590
Form type: 4
Filing time: 16 Dec 2025, 16:08:19 UTC
Previous filing: 06 Oct 2025
Next filing: 06 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Heystee Susan	Director	350 TREAT AVENUE, SAN FRANCISCO	/s/ Megan Chung, as Attorney-in-Fact for Susan Heystee	16 Dec 2025	0001334330

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	OUST	Common Stock	Sale	$291,590	-11,650	-22%	$25.03	41,625	12 Dec 2025	Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	Includes sales made for tax planning purposes.
F2	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.01 to $25.14. The Reporting Person undertakes to provide Ouster, Inc. (the "Company"), any security holder of the Company, 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

Includes sales made for tax planning purposes.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.01 to $25.14. The Reporting Person undertakes to provide Ouster, Inc. (the "Company"), any security holder of the Company, 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.