Form 144: SentinelOne insider to sell 23,520 shares valued $433,474 via Morgan Stanley

Rhea-AI Filing Summary

SentinelOne (S) Form 144 shows a proposed sale of 23,520 common shares, valued at $433,473.60, to be sold through Morgan Stanley Smith Barney on the NYSE with an approximate sale date of 09/09/2025. The shares were acquired as restricted stock units on 09/05/2025 and the payment/settlement date is listed as 09/05/2025.

The filing also discloses prior sales by the same person or account under 10b5-1 plans: 15,163 shares sold on 08/07/2025 for $252,926.42 and 15,807 shares sold on 08/06/2025 for $273,619.17. The filer represents they are not aware of undisclosed material adverse information and references potential reliance on a Rule 10b5-1 plan.

Positive

• Clear disclosure of broker, exchange, share counts, acquisition type (RSUs), and transaction dates
• Prior 10b5-1 sales disclosed, indicating preplanned, rule-compliant liquidity rather than opportunistic timing
• Filer represents no undisclosed material adverse information in the notice

Negative

• No specific identity details (filer CIK/CCC and some contact fields are not populated in the provided excerpt)
• Rule 10b5-1 plan adoption date is not shown in the visible Remarks section, leaving plan timing unclear from this extract

Insights

Securities Analyst

TL;DR: Routine insider sale of newly vested RSUs and recent 10b5-1 plan sales; amounts are modest relative to large-cap equity pools.

The proposed sale of 23,520 RSU-derived shares for $433,474 appears to be a standard disposition following vesting. The filing notes acquisition by restricted stock units on 09/05/2025 with immediate settlement, indicating a post-vesting sale rather than a disposal of long-held stock. Prior 10b5-1 sales in August totaling 30,970 shares for roughly $526,545 show ongoing, preplanned liquidity activity. For investors, these transactions document insider liquidity but do not, by themselves, indicate company operating changes.

Corporate Governance Expert

TL;DR: Disclosure follows Rule 144 and references 10b5-1; procedural compliance appears intact from the filing details provided.

The form identifies the broker, exchange, share counts, acquisition type (RSUs), and dates, and includes the filer representation regarding material nonpublic information and Rule 10b5-1 plan adoption date field (left blank in the displayed content). The filing does not show any atypical transfer mechanism or related-party complication. Governance-wise, repeated 10b5-1 sales suggest the insider is using scheduled plans to avoid timing concerns.

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
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	23520	433473.60	319496938	09/09/2025	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 *
Common	09/05/2025	Restricted Stock Units	Issuer			23520	09/05/2025	N/A

* 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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
10b5-1 Sales for RIC SMITH 444 Castro Street, Suite 400 Mountain View CA 94041	Common	08/07/2025	15163	252926.42
RIC SMITH 444 Castro Street, Suite 400 Mountain View CA 94041	Common	08/06/2025	15807	273619.17

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 say about the proposed sale?

The filer proposes to sell 23,520 common shares on 09/09/2025 via Morgan Stanley Smith Barney on the NYSE, valued at $433,473.60.

How were the 23,520 shares acquired according to the filing?

The shares were acquired as Restricted Stock Units on 09/05/2025 and the filing lists the date of payment/settlement as 09/05/2025.

Has the filer sold other SentinelOne (S) shares recently?

Yes. The filing lists two 10b5-1 sales: 15,163 shares on 08/07/2025 for $252,926.42 and 15,807 shares on 08/06/2025 for $273,619.17.

Which broker and exchange are used for the proposed sale?

The broker is Morgan Stanley Smith Barney LLC Executive Financial Services and the exchange is the NYSE.

Does the Form 144 indicate reliance on a Rule 10b5-1 trading plan?

The filing references Rule 10b5-1 and displays prior 10b5-1 sales, but the visible extract does not show a specific plan adoption date.