Ouster (NYSE: OUST) director receives 4,725 stock RSUs

Rhea-AI Filing Summary

Eyler Phillip reported acquisition or exercise transactions in this Form 4 filing.

Ouster director Phillip Eyler reported receiving a grant of 4,725 shares of common stock as a stock-based award, with no cash paid per share. After this equity grant, his direct holdings increased to 20,383 Ouster shares.

The award consists of Ouster restricted stock units (RSUs), each representing one share of common stock. The RSUs vest in quarterly installments through the earlier of June 17, 2027 or the company’s 2027 annual stockholder meeting, as long as he continues serving the company. All vested RSUs will be settled in shares upon the earlier of a change in control or his separation from service.

Insider Trade Summary

Net Buyer: 4,725 shares

Net Buy 1 txn

Insider Eyler Phillip

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	4,725	$0.00	$0.00

Holdings After Transaction: Common Stock — 20,383 shares (Direct)

Footnotes (1)

1. F1. Consists of Ouster, Inc. (the "Company") restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Company's common stock. The RSUs vest in quarterly installments through the earlier of June 17, 2027 or the Company's 2027 annual meeting of stockholders, subject to the Reporting Person's continued service through the applicable vesting date. The RSUs have no expiration date. The Reporting Person will settle all awards of common stock received, including vested RSUs, upon the earlier of a change in control or separation from service with the Company.

Key Figures

RSU grant size: 4,725 shares Shares after transaction: 20,383 shares Grant price per share: $0.00 per share +1 more

4 metrics

RSU grant size 4,725 shares Restricted stock units awarded to director Eyler

Shares after transaction 20,383 shares Total direct holdings following the RSU grant

Grant price per share $0.00 per share Compensation grant, not open-market purchase

RSU vesting end date June 17, 2027 Vests quarterly through earlier of this date or 2027 meeting

Key Terms

restricted stock units ("RSUs"), change in control, separation from service

3 terms

restricted stock units ("RSUs") financial

"Consists of Ouster, Inc. restricted stock units ("RSUs"). Each RSU represents"

Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.

change in control financial

"settle all awards of common stock received, including vested RSUs, upon the earlier of a change in control or separation"

A "change in control" occurs when the ownership or management of a company shifts significantly, such as through a merger, acquisition, or sale of a large part of its assets. This change can impact how the company is run and may influence its future direction. For investors, it matters because it can affect the company's stability, strategy, and value, often signaling potential changes in investment risk or opportunity.

separation from service financial

"upon the earlier of a change in control or separation from service with the Company"

FAQ

What did Ouster (OUST) director Phillip Eyler report in this Form 4?

Director Phillip Eyler reported receiving a grant of 4,725 Ouster RSUs, representing the right to receive an equal number of common shares. This grant increased his direct holdings to 20,383 shares, reflecting additional stock-based compensation rather than an open-market purchase.

Is Phillip Eyler’s Ouster Form 4 transaction a stock purchase or award?

The Form 4 shows a stock award, not a market purchase. Eyler received 4,725 restricted stock units at a stated price of $0.00 per share, indicating compensation-related equity, contingent on future vesting and continued service with Ouster.

How do Phillip Eyler’s newly granted Ouster RSUs vest over time?

The 4,725 Ouster RSUs vest in quarterly installments through the earlier of June 17, 2027 or the company’s 2027 annual stockholder meeting. Vesting is conditioned on Eyler’s continued service with Ouster through each applicable vesting date.

When will Phillip Eyler receive Ouster common shares from these RSUs?

Each RSU represents one Ouster common share, but delivery is deferred. All vested RSUs will be settled in stock upon the earlier of a change in control of Ouster or Eyler’s separation from service with the company, according to the footnote.

How many Ouster shares does Phillip Eyler hold after this RSU grant?

Following the reported grant, Phillip Eyler directly holds 20,383 shares of Ouster common stock. This total includes the impact of the 4,725-share award disclosed, providing a snapshot of his post-transaction ownership position as a company director.

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 06/22/2026 - 05:38 PM Accepted by SEC EDGAR 06/22/2026 - 05:37 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^*

Eyler Phillip

(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)
06/17/2026

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	06/17/2026		A		4,725(1)	A	$0	20,383	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. Consists of Ouster, Inc. (the "Company") restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Company's common stock. The RSUs vest in quarterly installments through the earlier of June 17, 2027 or the Company's 2027 annual meeting of stockholders, subject to the Reporting Person's continued service through the applicable vesting date. The RSUs have no expiration date. The Reporting Person will settle all awards of common stock received, including vested RSUs, upon the earlier of a change in control or separation from service with the Company.

	/s/ Megan Chung, as Attorney-in-Fact for Phillip Eyler	06/22/2026
	** 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)