Ouster (OUST) director Susan Heystee takes board fees in 660 shares

Rhea-AI Filing Summary

Heystee Susan reported acquisition or exercise transactions in this Form 4 filing.

Ouster, Inc. director Susan Heystee received a stock grant as part of her board compensation. She was awarded 660 shares of common stock at a reference price of $49.83 per share, received in lieu of cash fees under the company’s non-employee director compensation program, bringing her direct holdings to 40,478.7 shares.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Heystee Susan

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	660	$49.83	$33K

Holdings After Transaction: Common Stock — 40,478.7 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares granted: 660 shares Grant valuation price: $49.83 per share Total direct holdings after grant: 40,478.7 shares

3 metrics

Shares granted 660 shares Common Stock grant on 2026-07-06

Grant valuation price $49.83 per share Reference price for stock award

Total direct holdings after grant 40,478.7 shares Common Stock held directly after transaction

Key Terms

Grant, award, or other acquisition, in lieu of cash fees, Non-Employee Director Compensation Program

3 terms

Grant, award, or other acquisition financial

"transaction_code_description: Grant, award, or other acquisition"

in lieu of cash fees financial

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

Non-Employee Director Compensation Program financial

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/08/2026 - 04:05 PM Accepted by SEC EDGAR 07/08/2026 - 04:05 PM Learn about SEC filing dates

FAQ

What insider transaction did OUST director Susan Heystee report?

Susan Heystee reported receiving 660 shares of Ouster common stock as a grant. The shares were awarded as part of her director compensation, rather than paying equivalent cash fees, and increase her direct ownership position at the company.

Was the OUST Form 4 transaction a purchase or a compensation grant?

The Form 4 transaction is a compensation grant, not an open-market purchase. The filing classifies it as a grant or award acquisition, with shares issued instead of cash fees under Ouster’s Third Amended and Restated Non-Employee Director Compensation Program.

How many Ouster (OUST) shares does Susan Heystee hold after this grant?

After the grant, Susan Heystee directly holds 40,478.7 shares of Ouster common stock. This total reflects her prior holdings plus the 660 shares received as compensation rather than cash fees for her service as a non-employee director.

What price per share is associated with Susan Heystee’s OUST stock grant?

The stock grant references a price of $49.83 per share for the 660 shares of common stock. This figure is used for valuation and reporting purposes in the Form 4, rather than indicating an open-market trade price or separate purchase transaction.

Why did Ouster grant shares instead of cash fees to its director?

The shares were granted in lieu of cash fees under Ouster’s Third Amended and Restated Non-Employee Director Compensation Program. This program allows non-employee directors like Susan Heystee to receive their board compensation in company stock instead of cash payments.

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)
07/06/2026

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	07/06/2026		A		660(1)	A	$49.83	40,478.7	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.

	/s/ Megan Chung, as Attorney-in-Fact for Susan Heystee	07/08/2026
	** 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)