Ouster director Susan Heystee receives 779 shares

Ouster, Inc. director Susan Heystee received an award of 779 shares of common stock on October 5, 2026, in lieu of cash fees under the company’s Third Amended and Restated Non-Employee Director Compensation Program.

Rhea-AI Filing Summary

Ouster, Inc. director Susan Heystee received an award of 779 shares of common stock on October 5, 2026, in lieu of cash fees under the company’s Third Amended and Restated Non-Employee Director Compensation Program. The transaction was reported at $44.12 per share. Her reported direct holdings following the award were 41,258 shares.

Insider Trade Summary

Grant/Award: 779 shares

Grant/Award 1 txn

Insider Heystee Susan

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1	779	$44.12	$34K

Holdings After Transaction: Common Stock — 41,257.7 shares (Direct)

Footnotes (1)

1. F1. Represents shares of common stock received in lieu of cash fees pursuant to the Company's Third Amended and Restated Non-Employee Director Compensation Program.

Key Figures

Shares received: 779 shares Reported price per share: $44.12 per share Direct holdings after award: 41,258 shares

3 metrics

Shares received 779 shares Award reported on October 5, 2026

Reported price per share $44.12 per share Award reported on October 5, 2026

Direct holdings after award 41,258 shares Reported following the October 5, 2026 transaction

Key Terms

in lieu of cash fees, Third Amended and Restated Non-Employee Director Compensation Program

2 terms

in lieu of cash fees financial

"shares of common stock received in lieu of cash fees"

Third Amended and Restated Non-Employee Director Compensation Program financial

"pursuant to the Company's Third Amended and Restated Non-Employee Director Compensation Program"

FAQ

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How many OUST shares did director Susan Heystee receive?

Susan Heystee received 779 shares of Ouster common stock on October 5, 2026, in lieu of cash fees under the Third Amended and Restated Non-Employee Director Compensation Program. The transaction was reported at $44.12 per share.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/07/2026 - 04:31 PM Accepted by SEC EDGAR 10/07/2026 - 04:31 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Heystee Susan

(Last) (First) (Middle)

350 TREAT AVENUE

(Street)

SAN FRANCISCO CALIFORNIA 94110

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Ouster, Inc. [ OUST ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/05/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	10/05/2026		A		779(1)	A	$44.12	41,257.7	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents shares of common stock received in lieu of cash fees pursuant to the Company's Third Amended and Restated Non-Employee Director Compensation Program.

Remarks:

Exhibit List - Exhibit 24 - Power of Attorney

	/s/ Megan Chung, as Attorney-in-Fact for Susan Heystee	10/07/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)