S files Rule 144 notice to sell 288,149 Class A shares worth $5.19M

Rhea-AI Filing Summary

SentinelOne, Inc. has filed a Notice of Proposed Sale under Rule 144 reporting an intended sale of 288,149 Class A shares through Raymond James & Associates on 10/06/2025, with an aggregate market value of $5,186,682.00 and 324,760,095 Class A shares outstanding. The filing traces acquisition of the shares to a stock conversion before IPO on 05/31/2019 from SentinelOne, Inc., showing 2,495,815 shares initially acquired and wired to a portfolio account. The filer also reported four Class A sales in the past three months totaling 330,292 shares for gross proceeds of approximately $5,664,449.07 on 07/07/2025, 07/08/2025, 10/01/2025, and 10/03/2025.

Positive

• Transparency of transaction: Notice filed under Rule 144 discloses planned sale and prior three-month sales with exact share counts and proceeds
• Acknowledged acquisition history: Acquisition date 05/31/2019 and nature (stock conversion before IPO) are specified, supporting eligibility for resale

Negative

• Sizeable share sale relative to float: Proposed sale of 288,149 shares may modestly increase trading supply against outstanding 324,760,095 shares
• Recent selling activity: 330,292 shares sold in the past three months for ~$5.66M, indicating ongoing liquidation activity

Insights

Securities Compliance Analyst

TL;DR: A significant Rule 144 resale is planned: 288,149 Class A shares worth about $5.19M on 10/06/2025.

The notice documents a planned sale under Rule 144 of 288,149 Class A shares through Raymond James, acquired by stock conversion on 05/31/2019. The filer affirms no undisclosed material adverse information and identifies prior open-market sales totaling 330,292 shares in the prior three months for roughly $5.66M.

Key dependencies include compliance with Rule 144 holding-period and volume provisions and accurate aggregation of recent sales; watch for actual execution on 10/06/2025 and any further Form 4 or Form 144 filings that would change outstanding free‑float or disclose a trading plan.

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	288149	5186682.00	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.			2495815	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 (Delaware) X, L.P. 1114 Avenue of the Americas, 36th Floor New York NY 10036	Class A	07/07/2025	107323	1954566.48
Insight Venture Partners (Delaware) X, L.P. 1114 Avenue of the Americas, 36th Floor New York NY 10036	Class A	07/08/2025	108788	2005006.36
Insight Venture Partners (Delaware) X, L.P. 1114 Avenue of the Americas, 36th Floor New York NY 10036	Class A	10/01/2025	8934	161180.97
Insight Venture Partners (Delaware) X, L.P. 1114 Avenue of the Americas, 36th Floor New York NY 10036	Class A	10/03/2025	6247	112695.26

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 is the proposed sale reported by SentinelOne (S)?

The filing reports a proposed sale of 288,149 Class A shares through Raymond James on 10/06/2025 valued at $5,186,682.00.

How many shares does SentinelOne have outstanding according to the filing?

The filing shows 324,760,095 Class A shares outstanding.

When and how were the securities being sold originally acquired?

The shares were acquired by stock conversion before IPO on 05/31/2019, with 2,495,815 shares noted as acquired and wired to a portfolio account.

Has the filer sold other Class A shares recently?

Yes. The filer reported four Class A sales in the past three months totaling 330,292 shares for gross proceeds of about $5,664,449.07 on 07/07/2025, 07/08/2025, 10/01/2025, and 10/03/2025.

What representation does the filer make about material information?

By signing the notice, the person represents they do not know any material adverse information about the issuer that has not been publicly disclosed.