SentinelOne insider block: 43,222 Class A shares, $778K value

Rhea-AI Filing Summary

SentinelOne, Inc. filed a Form 144 notice reporting a proposed sale of 43,222 Class A shares through Raymond James & Associates with an aggregate market value of $777,996, and recent insider sales totaling 34,694 Class A shares for gross proceeds of $636,021.21. The shares to be sold were acquired on 05/31/2019 via a stock conversion before the IPO and were wired to the portfolio company at acquisition. Recent disclosed sales occurred on 07/07/2025, 07/08/2025, 10/01/2025, and 10/03/2025 and were executed by Insight Venture Partners X (Co-Investors), L.P. The filer certifies no undisclosed material adverse information and attests to compliance with trading-plan and Rule 144-related representations.

Positive

• Disclosure compliance: A formal Form 144 was filed specifying broker, amounts, and dates
• Staged sales: Prior sales were executed across multiple dates, suggesting orderly liquidation rather than a single large dump

Negative

• Ongoing insider sales: Insight Venture Partners X sold 34,694 shares recently, which plus the proposed 43,222 could increase share supply
• Insider proceeds disclosed: Recent gross proceeds total $636,021.21, indicating meaningful realized liquidity by holders

Insights

Insider Transactions Analyst

Insiders are selling a modest block of Class A shares over multiple dates.

The filing shows a proposed sale of 43,222 Class A shares valued at $777,996, while earlier dispositions by Insight Venture Partners X totaled 34,694 shares for gross proceeds of $636,021.21. The shares were acquired by conversion on 05/31/2019, which indicates these are legacy holdings converted at IPO.

This pattern is a disclosure of normal clearing/liquidity activity rather than a one-time large disposition; monitor subsequent Form 4/Form 144 filings over the next 30-90 days for additional sales that could affect float and short-term supply.

Market Impact Strategist

Reported volumes are small relative to total outstanding shares but may add near-term selling pressure.

The filing lists 324,760,095 shares outstanding, so the proposed 43,222 share sale represents a very small fraction of the float. The disclosed aggregate market value is $777,996, which is unlikely to move the market materially on its own.

Nonetheless, clustered sales by the same holder across July and October 2025 could modestly increase supply; investors should note timing and any follow-up disposals within the next 30 days.

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	Raymond James & Associates 880 Carillon Parkway St. Petersburg FL 33716	43222	777996.00	324760095	10/06/2025	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	05/31/2019	Stock Conversion before IPO	SentinelOne, Inc.			374372	05/31/2019	Wired to portfolio company.

* 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
Insight Venture Partners X (Co-Investors), L.P. 1114 Avenue of the Americas, 36th Floor New York NY 10036	Class A	07/07/2025	16098	293176.78
Insight Venture Partners X (Co-Investors), L.P. 1114 Avenue of the Americas, 36th Floor New York NY 10036	Class A	07/08/2025	16319	300765.70
Insight Venture Partners X (Co-Investors), L.P. 1114 Avenue of the Americas, 36th Floor New York NY 10036	Class A	10/01/2025	1340	24175.34
Insight Venture Partners X (Co-Investors), L.P. 1114 Avenue of the Americas, 36th Floor New York NY 10036	Class A	10/03/2025	937	16903.39

144: Remarks and Signature

Remarks

Date of Notice

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 report?

It reports a proposed sale of 43,222 Class A shares via Raymond James with an aggregate market value of $777,996 and recent sales totaling 34,694 shares.

Who executed the recent sales disclosed in the filing?

The recent sales were executed by Insight Venture Partners X (Co-Investors), L.P. on 07/07/2025, 07/08/2025, 10/01/2025, and 10/03/2025.

When were the shares being sold originally acquired?

The shares were acquired on 05/31/2019 through a stock conversion before the IPO.

How large is the proposed sale relative to outstanding shares?

The company has 324,760,095 shares outstanding, so the proposed 43,222 share sale is a very small fraction of the total.

What proceeds were reported from recent sales?

The four recent sales listed generated gross proceeds of $293,176.78, $300,765.70, $24,175.34, and $16,903.39, totaling $636,021.21.