Insider Rule 144 Notice: SentinelOne Plans $5.14M Sale of Class A Shares

Rhea-AI Filing Summary

Form 144 notice for SentinelOne, Inc. (S): The filer notifies a proposed sale of 278,676 Class A common shares with an aggregate market value of $5,144,358.96, listing the NYSE as the exchange and an approximate sale date of 09/11/2025. The filing itemizes the acquisition history for the securities to be sold: multiple tranches received as restricted stock units (compensation) between 06/05/2024 and 09/05/2025, older Class B shares acquired in a private transaction on 03/20/2013 that will convert to Class A for sale, and one 03/05/2025 RSU tranche. The filing reports 318,339,537 shares outstanding. No securities sold in the past three months are reported. The notice includes the usual Rule 144 attestation about absence of undisclosed material information.

Positive

• Disclosure completeness: The filing lists acquisition dates, types (RSUs and private Class B acquisition), and payment nature for all securities to be sold
• Regulatory compliance: The document includes the Rule 144 attestation and provides required share counts and market value for the proposed sale

Negative

• Limited contextual information: The filer does not identify the selling person's name or role in the filing content provided
• No trading-plan detail: If relying on a Rule 10b5-1 plan, the filing does not provide a plan adoption date or instruction date in the visible content

Insights

Securities Analyst

TL;DR: A routine Rule 144 sale notice: executive/insider RSU holdings scheduled for sale, not an automatic sign of material company change.

The filing discloses a proposed sale of 278,676 Class A shares valued at $5.14 million, comprised largely of RSUs granted across 2024–2025 and prior Class B shares from 2013 that will convert to Class A for the sale. This pattern is consistent with insiders monetizing compensation awards under Rule 144. The filing contains no forward-looking statements or changes to control and reports no recent sales in the prior three months. Absent additional context on the identity of the seller or linkage to company events, the notice appears procedural rather than materially disruptive.

Corporate Governance Expert

TL;DR: Compliance-focused disclosure showing planned insider sales of vested compensation shares under Rule 144.

The submission documents compliance with Rule 144: specific share counts, acquisition dates, and payment nature (compensation or private acquisition). The presence of Class B shares from 2013 converting to Class A is noted, as are multiple RSU vest dates through 09/05/2025. The attestation regarding lack of undisclosed material information is included. From a governance perspective, this filing demonstrates procedural transparency but does not itself reveal management changes, plan adoption dates, or trading-plan details that would alter governance assessments.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Class A Common	Goldman Sachs & Co. LLC 200 West Street New York NY 10282	278676	5144358.96	318339537	09/11/2025	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Class A Common	06/05/2024	Acquired as compensation -- Restricted Stock Units	Issuer			15936	06/05/2024	Compensation
Class A Common	09/05/2024	Acquired as compensation -- Restricted Stock Units	Issuer			15937	09/05/2024	Compensation
Class A Common	12/05/2024	Acquired as compensation -- Restricted Stock Units	Issuer			15937	12/05/2024	Compensation
Class A Common	03/05/2025	Acquired as compensation -- Restricted Stock Units	Issuer			15564	03/05/2025	Compensation
Class A Common	05/05/2025	Acquired as compensation -- Restricted Stock Units	Issuer			9620	05/05/2025	Compensation
Class A Common	03/20/2013	Acquired Class B common shares from Issuer in private transaction; Class B common shares to be converted to Class A common shares in connection with any sales	Issuer			100839	03/20/2013	None
Class A Common	06/05/2025	Acquired as compensation -- Restricted Stock Units	Issuer			21208	06/05/2025	Compensation
Class A Common	06/05/2025	Acquired as compensation -- Restricted Stock Units	Issuer			15904	06/05/2025	Compensation
Class A Common	08/05/2025	Acquired as compensation -- Restricted Stock Units	Issuer			20848	08/05/2025	Compensation
Class A Common	08/05/2025	Acquired as compensation -- Restricted Stock Units	Issuer			9771	08/05/2025	Compensation
Class A Common	09/05/2025	Acquired as compensation -- Restricted Stock Units	Issuer			21208	09/05/2025	Compensation
Class A Common	09/05/2025	Acquired as compensation -- Restricted Stock Units	Issuer			15904	09/05/2025	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does SentinelOne's (S) Form 144 disclose about the proposed sale?

The filing discloses a proposed sale of 278,676 Class A shares valued at $5,144,358.96, with an approximate sale date of 09/11/2025 on the NYSE.

What types of shares are being sold according to the Form 144?

The shares are Class A common stock, consisting primarily of shares acquired as compensation (restricted stock units) and Class B shares from a private 2013 transaction that will convert to Class A for sale.

How many SentinelOne shares are outstanding per the filing?

The filing reports 318,339,537 shares outstanding.

Were any SentinelOne securities sold in the past three months by the filer?

The filing states Nothing to Report for securities sold during the past three months.

Does the Form 144 include a Rule 144 attestation about material information?

Yes, the filer signs an attestation representing they do not know any material adverse information about the issuer that has not been publicly disclosed.