SentinelOne officer proposes $13.4M stock sale

The proposed sale is associated with a selling plan dated July 2, 2026, intended to comply with Rule 10b5-1(c).

Rhea-AI Filing Summary

SentinelOne, Inc. officer Tomer Weingarten is identified as the account holder for a proposed sale of 527,368 Class A common shares, with an aggregate market value of $13,410,968.24 and an approximate sale date of October 5, 2026. Goldman Sachs & Co. LLC is listed as the broker. The remarks state that the sales are made in connection with a selling plan dated July 2, 2026, intended to comply with Rule 10b5-1(c).

Three sales during the prior three months are also listed: 57,941 shares on July 31, 2026, for $1,086,133.02; 57,941 shares on September 11, 2026, for $1,152,469.67; and 56,949 shares on September 11, 2026, for $1,132,675.75.

Key Figures

Proposed shares for sale: 527,368 shares Aggregate market value: $13,410,968.24 Shares sold: 57,941 shares +5 more

8 metrics

Proposed shares for sale 527,368 shares Class A common; approximate sale date October 5, 2026

Aggregate market value $13,410,968.24 Proposed sale

Shares sold 57,941 shares July 31, 2026

Reported sale amount $1,086,133.02 Sale on July 31, 2026

Shares sold 57,941 shares September 11, 2026

Reported sale amount $1,152,469.67 Sale on September 11, 2026

Shares sold 56,949 shares September 11, 2026

Reported sale amount $1,132,675.75 Sale on September 11, 2026

Key Terms

Rule 144, Rule 10b5-1(c), Restricted Stock Units, cashless exercise

4 terms

Rule 144 regulatory

"paragraph (a) of Rule 144"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Rule 10b5-1(c) regulatory

"intended to comply with Rule 10b5-1(c)"

Rule 10b5-1(c) is an SEC guideline that lets company insiders set up a written, pre-planned schedule to buy or sell their company stock when they are not in possession of material, nonpublic information. For investors, it matters because such plans can reduce the appearance of insider trading by separating decisions from inside knowledge—like putting your trades on autopilot—while also requiring scrutiny since pre-planned trades can still affect market confidence and share value.

Restricted Stock Units financial

"Acquired as compensation -- Restricted Stock Units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

cashless exercise financial

"Compensation -- Cashless exercise / same-day sale"

A cashless exercise is a way for an option holder to convert stock options into actual shares without paying the purchase price in cash; instead they immediately give up a portion of the newly issued shares to cover the cost and any withholding taxes. Investors care because this process increases the number of shares available and can slightly dilute existing holdings, while also signaling how insiders or employees are realizing compensation without needing cash — similar to paying for a purchase by handing over part of what you just bought.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many SentinelOne (S) shares does Tomer Weingarten plan to sell?

The proposed sale covers 527,368 Class A common shares, with an aggregate market value of $13,410,968.24 and an approximate sale date of October 5, 2026.

How were the SentinelOne (S) shares listed for sale acquired?

The listed securities include 27,368 Class A common shares acquired as compensation through Restricted Stock Units on April 15, 2026, and 500,000 Class A common shares acquired as compensation through stock options on March 24, 2021. Cashless exercise/same-day sale is noted for the stock options.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/05/2026 - 06:29 PM Accepted by SEC EDGAR 10/05/2026 - 06:28 PM Learn about SEC filing dates

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	0001866222
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	SentinelOne, Inc.
SEC File Number	001-40531
Address of Issuer	444 Castro Street Suite 400 Mountain View CALIFORNIA 94041
Phone	1-855-868-3733
Name of Person for Whose Account the Securities are To Be Sold	Tomer Weingarten
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	Officer

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	527368	13410968.24	342184493	10/05/2026	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	04/15/2026	Acquired as compensation -- Restricted Stock Units	Issuer			27368	04/15/2026	Compensation
Class A Common	03/24/2021	Acquired as compensation -- Stock Options	Issuer			500000	03/24/2021	Compensation -- Cashless exercise / same-day sale

* 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
Tomer Weingarten 444 Castro Street Suite 400 Mountain View CA 94041	Class A Common	07/31/2026	57941	1086133.02
Tomer Weingarten 444 Castro Street Suite 400 Mountain View CA 94041	Class A Common	09/11/2026	57941	1152469.67
Tomer Weingarten 444 Castro Street Suite 400 Mountain View CA 94041	Class A Common	09/11/2026	56949	1132675.75

144: Remarks and Signature

Remarks	The sales of shares set forth herein are made in connection with a selling plan dated 7/02/2026, that is intended to comply with Rule 10b5-1(c).
Date of Notice	10/05/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	07/02/2026
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	Goldman Sachs & Co. LLC on behalf of Tomer Weingarten
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)