SentinelOne (S) CFO logs non-discretionary tax sell-to-cover stock sale

Rhea-AI Filing Summary

SentinelOne, Inc.’s Chief Financial Officer, Barbara A. Larson, reported a mandated sale of company stock to cover taxes tied to equity compensation. On January 6, 2026, she sold 11,173 shares of Class A Common Stock at $14.82 per share in a transaction required to fund tax withholding for vesting Restricted Stock Units, and the filing notes this was not a discretionary trade. After this sale, she beneficially owned 539,372 shares, which include 1,047 shares acquired through the company’s Employee Stock Purchase Plan on January 5, 2026. The filing also explains that certain shares remain subject to forfeiture if their vesting conditions are not met.

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^*

Larson Barbara A

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
01/06/2026

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	01/06/2026		S(1)		11,173	D	$14.82	539,372(2)(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. The sale reported on this Form 4 represents an Issuer mandated sale by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of Restricted Stock Units, and it does not represent a discretionary trade by the Reporting Person. Pursuant to the Issuer's equity incentive plan, an award recipient's tax withholding obligations must be funded by a "sell to cover" transaction.

2. Includes 1,047 shares acquired pursuant to the Issuer's Employee Stock Purchase Plan on January 5, 2026.

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	01/08/2026
	** 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.

FAQ

What insider transaction did SentinelOne (S) disclose for January 2026?

SentinelOne disclosed that its CFO, Barbara A. Larson, reported a sale of 11,173 shares of Class A Common Stock on January 6, 2026, at $14.82 per share.

Why did SentinelOne CFO Barbara Larson sell 11,173 shares?

The filing states the sale was an issuer-mandated “sell to cover” transaction to fund tax withholding obligations from vesting and settlement of Restricted Stock Units, and was not discretionary.

How many SentinelOne (S) shares does the CFO hold after the reported sale?

Following the January 6, 2026 transaction, CFO Barbara A. Larson beneficially owned 539,372 shares of SentinelOne Class A Common Stock.

What additional SentinelOne shares did the CFO recently acquire?

The beneficial ownership figure includes 1,047 shares acquired through SentinelOne’s Employee Stock Purchase Plan on January 5, 2026.

Are any of the SentinelOne shares held by the CFO subject to forfeiture?

Yes. The filing explains that certain shares are subject to forfeiture back to SentinelOne if the underlying vesting conditions are not satisfied.

Is this SentinelOne CFO stock sale considered routine or discretionary?

The document describes the sale as an issuer-mandated “sell to cover” required by SentinelOne’s equity incentive plan, and explicitly notes it is not a discretionary trade by the CFO.