[Form 4] SentinelOne, Inc. Insider Trading Activity

Rhea-AI Filing Summary

SentinelOne Director Mark S. Peek received two significant equity awards on June 25, 2025:

1. 4,174 deferred restricted stock units (DSUs) with quarterly vesting schedule:

• 25% vests each on Sept 15, Dec 15, March 15
• Final installment vests by June 15, 2026
• Settlement deferred per Director Compensation Program

2. 12,522 restricted stock units (RSUs) vesting on earliest of:

• June 25, 2026
• Next annual stockholder meeting
• Death, disability, or change in control

Following these transactions, Peek owns 65,609 shares directly (subject to vesting) and 80,000 shares indirectly through a trust. All awards contingent on continued service as director.

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^*

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)
06/25/2025

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	06/25/2025		A		4,174(1)(2)	A	$0	53,087(3)	D
Class A Common Stock	06/25/2025		A		12,522(4)	A	$0	65,609(3)	D
Class A Common Stock								80,000	I	By Trust

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 June 25, 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 Program (defined below). 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) June 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.

4. Represents an award of restricted stock units. The entire award shall vest and settle for shares of the Issuer's Class A Common Stock on the earliest of (a) June 25, 2026, (b) the date of the next annual meeting of the Issuer's stockholders (or the date immediately prior to such, if the Reporting Person's service as a director ends at such meeting due to his/her failure to be re-elected or not standing for re-election), (c) the Reporting Person's death, (d) the date on which the Reporting Person becomes disabled, or (e) the occurrence of a change in control as defined in the Issuer's Non-Employee Director Compensation Program (the "Program"), in each case subject to the Reporting Person's continued service to the Issuer on each vesting date.

Remarks:

	/s/ Keenan Conder, Attorney-in-Fact	06/27/2025
	** 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

How many SentinelOne (S) shares did Mark Peek receive on June 25, 2025?

Mark Peek received two equity awards on June 25, 2025: 4,174 deferred restricted stock units (DSUs) and 12,522 restricted stock units (RSUs), for a total of 16,696 shares of Class A Common Stock, subject to vesting conditions.

What is the vesting schedule for Mark Peek's new SentinelOne (S) DSU grant?

The 4,174 DSUs vest quarterly, with 25% vesting on each of September 15, December 15, March 15, and the final installment vesting on the earliest of: (i) the next annual stockholders' meeting, (ii) the day before the next annual meeting if Peek's service ends due to non-re-election, or (iii) June 15, 2026.

How many SentinelOne (S) shares does Mark Peek own indirectly through trust?

According to the Form 4 filing, Mark Peek indirectly owns 80,000 shares of SentinelOne Class A Common Stock through a trust.

When will Mark Peek's 12,522 RSU grant from SentinelOne (S) vest?

The 12,522 RSU grant will vest on the earliest of: (a) June 25, 2026, (b) the next annual stockholders' meeting, (c) Peek's death, (d) disability, or (e) a change in control, subject to continued service through the vesting date.

What is Mark Peek's total direct ownership of SentinelOne (S) shares after the June 25, 2025 grants?

Following the reported transactions, Mark Peek directly owns 65,609 shares of SentinelOne Class A Common Stock, though some shares are subject to forfeiture if vesting conditions are not met.