Form 4: Mark Peek discloses gifts to trusts and a 25,000-share disposition at S

Rhea-AI Filing Summary

SentinelOne director Mark S. Peek reported multiple transfers of Class A common stock on 09/30/2025. The filing shows a disposition of 25,000 shares and several gifts of 6,250 shares each to four children\'s trusts, plus indirect holdings of 80,000 shares in the Omega Living Trust. After the reported disposition, the director directly owned 40,609 shares and separately held or controlled additional shares through irrevocable trusts and the Omega Living Trust. The filer states the 6,250-share transfers were gifts made for no consideration and exempt under Rule 16b-5; the Omega Living Trust is dated August 6, 2015, with the reporting person as trustee.

Insights

Securities Analyst

TL;DR: Director completed non-sale transfers (gifts) reducing direct holdings; remaining direct and trust holdings remain material.

The Form 4 discloses a 25,000-share disposition and four 6,250-share gifts to irrevocable children\'s trusts, all reported as exempt transactions under Rule 16b-5, and 80,000 shares held indirectly via the Omega Living Trust. These are non-cash transfers rather than open-market sales, indicating estate or family planning activity rather than a market liquidity event. Reporting clarity is adequate: transaction codes, amounts, and ownership forms are provided, and the filing is executed by an attorney-in-fact.

Corporate Governance Expert

TL;DR: Transactions appear administratively driven (trust transfers) with standard disclosures; no regulatory issues apparent.

The filer details irrevocable trusts with third-party trustees and states the gifts are exempt under Rule 16b-5. The Omega Living Trust listing and trustee role are disclosed. From a governance perspective, these transfers follow typical trustee and gifting structures and the Form 4 includes required signature and explanatory notes. No indication of insider selling for liquidity or other compensatory transactions is provided in the filing.

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).

1. Name and Address of Reporting Person^*

PEEK MARK S

(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)
09/30/2025

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	09/30/2025		G(1)		25,000	D	$0	40,609	D
Class A Common Stock	09/30/2025		G(1)		6,250	A	$0	6,250	I	By Children's Trust 1(2)
Class A Common Stock	09/30/2025		G(1)		6,250	A	$0	6,250	I	By Children's Trust 2(2)
Class A Common Stock	09/30/2025		G(1)		6,250	A	$0	6,250	I	By Children's Trust 3(2)
Class A Common Stock	09/30/2025		G(1)		6,250	A	$0	6,250	I	By Children's Trust 4(2)
Class A Common Stock								80,000	I	By Omega Living Trust(3)

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 reported transactions represent gifts, for no consideration, of shares of the Issuer's Class A Common Stock, which are exempt pursuant to Rule 16b-5.

2. The reported securities are directly held by an irrevocable trust with a third-party trustee, which was settled by the reporting person and for which a child of the reporting person is the beneficiary.

3. The reported securities are directly held by the Omega Living Trust dated August 6, 2015, for which the reporting person serves as trustee.

	/s/ Keenan Conder, Attorney-in-Fact	10/01/2025
	** 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.
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 transactions did Mark S. Peek report for SentinelOne (S)?

He reported a 25,000-share disposition and gifts of 6,250 shares to each of four children\\'s trusts on 09/30/2025, plus indirect holdings in a trust.

Were the transfers sales or gifts in the Form 4 for S?

The filing states the 6,250-share transfers were gifts made for no consideration and exempt under Rule 16b-5; the 25,000-share line is reported as a disposition.

How many Class A shares does the reporting person own after these transactions?

Following the reported transactions the filing shows 40,609 shares directly owned, plus multiple 6,250-share indirect holdings and 80,000 shares held by the Omega Living Trust.

What trusts are referenced in the SentinelOne Form 4 filing?

The filing references four irrevocable children\\'s trusts holding 6,250 shares each and the Omega Living Trust dated August 6, 2015, for which the reporting person is trustee.

Who signed the Form 4 for Mark S. Peek?

The filing is signed by Keenan Conder, Attorney-in-Fact, on 10/01/2025.