SentinelOne (NYSE: S) director receives 1,779 deferred stock units grant

Rhea-AI Filing Summary

SentinelOne, Inc. disclosed that a company director received an award of 1,779 deferred restricted stock units (DSUs) of Class A common stock on December 15, 2025, at a price of $0 per unit. Each DSU represents a right to receive one share once time-based vesting conditions are met, with quarterly vesting and final vesting no later than December 15, 2026, under the company’s deferred compensation program. Following this grant, the director beneficially owns 26,599 shares of Class A common stock directly.

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

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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^*

Barrenechea Mark J

(Last) (First) (Middle)

C/O SENTINELONE, INC

444 CASTRO STREET, SUITE 400

(Street)

MOUNTAIN VIEW CA 94041

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
SentinelOne, Inc. [ S ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
12/15/2025

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

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

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

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
Class A Common Stock	12/15/2025		A		1,779(1)(2)	A	$0	26,599(3)	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 an award of deferred restricted stock units (DSUs) granted on December 15, 2025, which shall vest on a time-based vesting schedule but for which settlement has been deferred pursuant to the Reporting Person's election under the Issuer's Deferred Compensation Program (the "Program"). Each DSU represents a contingent right to receive one share of the Issuer's Class A Common Stock, subject to satisfaction of the time-based vesting conditions. The DSUs shall time-vest as to 25% of the total shares on each of September 15, December 15, and March 15, and with the final quarterly installment vesting on the earliest of (i) the date of the next annual meeting of the Issuer's stockholders, (ii) the date immediately prior to the next annual meeting of the Issuer's stockholders if the applicable non-employee director's service as a director ends at such meeting due to the Reporting Person's failure to be re-elected or the Reporting Person not standing for re-election, and

2. [cont'd from Footnote 1] (iii) December 15, 2026, subject to the Reporting Person's provision of service to the Issuer on each vesting date, and with deferred settlement occurring subject to the terms of the Program.

3. Certain of the shares are subject to forfeiture to the Issuer if underlying vesting conditions are not met.

Remarks:

	/s/ Keenan Conder, Attorney-in-Fact	12/17/2025
	** 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.
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FAQ

What insider transaction did SentinelOne (S) disclose in this Form 4?

SentinelOne disclosed that a director received an award of 1,779 deferred restricted stock units (DSUs) of its Class A common stock on December 15, 2025 at a price of $0 per unit.

How many SentinelOne (S) shares does the director beneficially own after this transaction?

After the reported DSU grant, the director is shown as beneficially owning 26,599 shares of SentinelOne Class A common stock, held in direct ownership.

What are deferred restricted stock units (DSUs) in the SentinelOne (S) award?

In this context, each DSU is a deferred restricted stock unit that represents a contingent right to receive one share of SentinelOne Class A common stock, subject to satisfaction of the time-based vesting conditions and settlement under the company’s Deferred Compensation Program.

What is the vesting schedule for the 1,779 DSUs granted by SentinelOne (S)?

The DSUs vest based on time: 25% of the total shares vest on each of September 15, December 15, and March 15, with the final installment vesting on the earliest of the next annual stockholder meeting date, the date immediately prior to that meeting if the director is not re-elected or not standing for re-election, or December 15, 2026, subject to continued service.

Are any of the SentinelOne (S) shares or units subject to forfeiture?

Yes. The disclosure states that certain shares are subject to forfeiture to SentinelOne if the underlying vesting conditions are not met, meaning unvested amounts can be lost if service or other vesting requirements are not satisfied.

How does SentinelOne’s Deferred Compensation Program affect this director’s DSUs?

The director elected to defer settlement of the DSUs under SentinelOne’s Deferred Compensation Program, so even after the DSUs vest based on time, the actual delivery of Class A shares will occur according to the Program’s settlement terms.