SentinelOne CEO sells 527,368 shares on October 5
Reported sale prices for the Class A shares ranged from $24.95 to $25.51.
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Form Type
4
Rhea-AI Filing Summary
SentinelOne, Inc. (S) President and CEO Tomer Weingarten exercised 500,000 stock options at a $9.74 exercise price for Class B shares on October 5, 2026, converted 500,000 Class B shares into Class A, and sold 527,368 Class A shares at a weighted-average $25.2642 per share. The sale was effected under a Rule 10b5-1 plan adopted July 2, 2026. An irrevocable trust held 423,629 Class B shares; Weingarten disclaimed beneficial ownership except to the extent of any pecuniary interest.
Insights
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Insider Trade Summary 10b5-1
Exercise and sale activity reported; no spread calculated
Exercise and Sale
6 txns
Insider
Weingarten Tomer
Role
President, CEO
Sold
527,368 shs ($13.32M)
Approx. gross sale proceeds
$13.32M
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Employee Stock Option (right to buy) F5 | 500,000 | $0.00 | $0.00 |
| Exercise | Class B Common Stock F6, F7 | 500,000 | $0.00 | $0.00 |
| Conversion | Class B Common Stock F6, F7 | 500,000 | $0.00 | $0.00 |
| Conversion | Class A Common Stock F1 | 500,000 | $9.74 | $4.87M |
| Sale | Class A Common Stock F2, F3, F4 | 527,368 | $25.2642 | $13.32M |
| holding | Class B Common Stock F6, F7, F8 | -- | -- | -- |
Holdings After Transaction:
Employee Stock Option (right to buy) — 2,906,920 contracts (Direct);
Class B Common Stock — 3,421,153 contracts (Direct);
Class A Common Stock — 1,717,510 shares (Direct);
Class B Common Stock — 423,629 contracts (Indirect, By Trust)
Footnotes (8)
- F1. Represents the number of shares that were acquired upon conversion of Class B common stock to Class A common stock.
- F2. The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on July 2, 2026.
- F3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.95 to $25.51, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein
- F4. Certain of the shares are subject to forfeiture to the Issuer if underlying vesting conditions are not met.
- F5. The stock option is fully vested and exercisable. Pursuant to the grant agreement between the reporting person and the Issuer, it became fully vested on April 24, 2026.
- F6. Each share of Class B common stock is convertible into one share of Class A common stock at any time and will convert automatically upon certain transfers and upon the earlier of (i) the date specified by a vote of the holders of 66 2/3% of the then outstanding shares of Class B common stock, (ii) seven years from the effective date of the Issuer's initial public offering ("IPO"), (iii) the first date following the IPO on which the number of shares of outstanding Class B common stock (including shares of Class B common stock subject to outstanding stock options) held by the reporting person, including certain entities that the reporting person controls, is less than 25% of the number of shares of Class B common stock (including shares of Class B common stock subject to outstanding stock options) that the reporting person originally held as of the date of the IPO,
- F7. (continued from footnote 6) (iv) the date fixed by the Issuer's board of directors (the "Board"), following the first date following the completion of this offering when the reporting person is no longer providing services to the Issuer as an officer, employee, consultant or member of the Board, (v) the date fixed by the Board following the date, if applicable, on which the reporting person is terminated for cause, as defined in the Issuer's restated certificate of incorporation, and (vi) the date that is 12 months after the death or disability, as defined in the Issuer's restated certificate of incorporation, of the reporting person.
- F8. The securities reported in this row are held by an irrevocable trust over whose trustee the reporting person may exercise remove and replace powers. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein, if any.
Key Figures
Stock options exercised: 500,000 options
Exercise price: $9.74 per share
Class B shares converted: 500,000 shares
+5 more
8 metrics
Stock options exercised
500,000 options
October 5, 2026
Exercise price
$9.74 per share
Options exercised on October 5, 2026
Class B shares converted
500,000 shares
Converted into Class A shares on October 5, 2026
Class A shares sold
527,368 shares
October 5, 2026
Weighted-average sale price
$25.2642 per share
Class A shares sold on October 5, 2026
Reported sale price range
$24.95–$25.51 per share
Class A share sales
Options following transaction
2,906,920 options
Reported following the October 5, 2026 exercise
Class B shares held by irrevocable trust
423,629 shares
Trust holding reported October 5, 2026
Key Terms
Rule 10b5-1 trading plan, weighted average price, fully vested and exercisable, irrevocable trust
4 terms
Rule 10b5-1 trading plan regulatory
"Rule 10b5-1 trading plan adopted by the reporting person on July 2, 2026"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
weighted average price financial
"The price reported in Column 4 is a weighted average price"
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
fully vested and exercisable financial
"The stock option is fully vested and exercisable"
irrevocable trust regulatory
"The securities reported in this row are held by an irrevocable trust"
An irrevocable trust is a legal arrangement where an owner transfers assets into a separate entity managed by a trustee and gives up the power to modify or reclaim those assets. For investors it matters because putting stock or other holdings into such a trust can change who controls and benefits from the assets, affect taxes and creditor protection, and influence how easy it is to sell or value those holdings—like placing valuables in a locked safe overseen by someone else.
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