STOCK TITAN

[Form 4] SentinelOne, Inc. Insider Trading Activity

Filing Impact
(Low)
Filing Sentiment
(Negative)
Form Type
4
Rhea-AI Filing Summary

SentinelOne (ticker S) Chief Accounting Officer Robin Tomasello filed a Form 4 reporting an issuer-mandated “sell-to-cover” transaction on 08/06/2025. The officer sold 2,921 Class A shares at $17.31 each (transaction code S) solely to satisfy payroll tax withholding triggered by the vesting of previously granted RSUs; the filing states the trade was non-discretionary.

Following the sale, the officer still owns 306,044 Class A shares (direct ownership), of which 374 were acquired under the Employee Stock Purchase Plan; some shares remain subject to forfeiture if vesting conditions are not met.

No derivative securities were reported. The disclosure does not reflect any change in compensation structure or company fundamentals, but it does update the public float and insider ownership profile.

Robin Tomasello, Chief Accounting Officer di SentinelOne (ticker S), ha presentato un modulo Form 4 segnalando una transazione “sell-to-cover” obbligatoria dall'emittente avvenuta il 08/06/2025. L’ufficiale ha venduto 2.921 azioni di Classe A a 17,31 $ ciascuna (codice transazione S) esclusivamente per coprire la ritenuta fiscale sul reddito da lavoro derivante dalla maturazione di RSU precedentemente assegnate; il documento specifica che l’operazione è stata non discrezionale.

Dopo la vendita, l’ufficiale detiene ancora 306.044 azioni di Classe A (proprietà diretta), di cui 374 acquisite tramite il Piano di Acquisto Azionario per Dipendenti; alcune azioni restano soggette a decadenza se non vengono soddisfatte le condizioni di maturazione.

Non sono stati segnalati titoli derivati. La comunicazione non indica cambiamenti nella struttura retributiva o nei fondamentali aziendali, ma aggiorna il flottante pubblico e il profilo di proprietà degli insider.

Robin Tomasello, Director de Contabilidad de SentinelOne (símbolo S), presentó un Formulario 4 reportando una transacción “sell-to-cover” obligatoria por parte del emisor el 08/06/2025. El ejecutivo vendió 2.921 acciones Clase A a $17.31 cada una (código de transacción S) únicamente para cubrir la retención de impuestos sobre la nómina generada por la consolidación de RSUs previamente otorgadas; el informe indica que la operación fue no discrecional.

Tras la venta, el ejecutivo aún posee 306,044 acciones Clase A (propiedad directa), de las cuales 374 fueron adquiridas bajo el Plan de Compra de Acciones para Empleados; algunas acciones están sujetas a pérdida si no se cumplen las condiciones de consolidación.

No se reportaron valores derivados. La divulgación no refleja ningún cambio en la estructura de compensación ni en los fundamentos de la empresa, pero actualiza el flotante público y el perfil de propiedad de los insiders.

SentinelOne(티커 S)의 최고 회계 책임자 로빈 토마셀로2025년 8월 6일에 발행자 의무에 따른 “sell-to-cover” 거래를 보고하는 Form 4를 제출했습니다. 이 임원은 이전에 부여된 RSU의 권리 확정으로 인해 발생한 급여세 원천징수를 충당하기 위해 2,921주의 클래스 A 주식을 각각 $17.31에 매도했으며(거래 코드 S), 해당 거래는 비재량적임을 명시했습니다.

매도 후에도 이 임원은 직접 소유306,044주의 클래스 A 주식을 보유하고 있으며, 그 중 374주는 직원 주식 구매 계획을 통해 취득한 것입니다. 일부 주식은 권리 확정 조건이 충족되지 않으면 몰수될 수 있습니다.

파생 증권은 보고되지 않았습니다. 이번 공시는 보상 구조나 회사 기본 사항의 변화를 반영하지 않지만, 공개 유통 주식 수와 내부자 소유 현황을 업데이트합니다.

Robin Tomasello, Chief Accounting Officer de SentinelOne (symbole S), a déposé un formulaire 4 signalant une transaction « sell-to-cover » imposée par l’émetteur le 08/06/2025. Le dirigeant a vendu 2 921 actions de Classe A à 17,31 $ chacune (code de transaction S) uniquement pour couvrir la retenue d’impôt sur la paie déclenchée par l’acquisition définitive de RSU précédemment attribuées ; le dépôt précise que la transaction était non discrétionnaire.

Après la vente, le dirigeant possède encore 306 044 actions de Classe A (propriété directe), dont 374 ont été acquises dans le cadre du Plan d’Achat d’Actions des Employés ; certaines actions restent susceptibles d’être perdues si les conditions d’acquisition ne sont pas remplies.

Aucun titre dérivé n’a été déclaré. La divulgation ne reflète aucun changement dans la structure de rémunération ou les fondamentaux de l’entreprise, mais elle met à jour le flottant public et le profil de détention des initiés.

Robin Tomasello, Chief Accounting Officer von SentinelOne (Ticker S), reichte ein Formular 4 ein, das eine vom Emittenten vorgeschriebene „Sell-to-Cover“-Transaktion am 08.06.2025 meldet. Der Officer verkaufte 2.921 Class-A-Aktien zu je 17,31 $ (Transaktionscode S), ausschließlich um die durch das Vesting zuvor gewährter RSUs ausgelöste Lohnsteuerabzugsverpflichtung zu erfüllen; die Meldung gibt an, dass der Handel nicht diskretionär war.

Nach dem Verkauf besitzt der Officer weiterhin 306.044 Class-A-Aktien (direkter Besitz), davon wurden 374 im Rahmen des Employee Stock Purchase Plans erworben; einige Aktien unterliegen noch dem Risiko des Verfalls, falls Vesting-Bedingungen nicht erfüllt werden.

Es wurden keine derivativen Wertpapiere gemeldet. Die Offenlegung spiegelt keine Änderungen in der Vergütungsstruktur oder den Unternehmensgrundlagen wider, aktualisiert jedoch den Streubesitz und das Insiderbesitzprofil.

Positive
  • Officer retains a sizeable 306,044-share position, preserving alignment with shareholders despite the small sale.
Negative
  • Form 4 records an insider sale, which can sometimes be perceived as a bearish signal even though the trade was non-discretionary.

Insights

TL;DR: Small mandatory sale; negligible impact on valuation.

The 2,921-share sale (~$51k) is immaterial relative to SentinelOne’s market cap and the officer’s remaining 306k-share stake. Because it was required to cover tax withholdings, it carries little negative signaling versus discretionary insider selling. Investors may view the unchanged, substantial residual holding as a sign of continued alignment. Overall, the filing is routine housekeeping with no implications for revenue, guidance or liquidity.

Robin Tomasello, Chief Accounting Officer di SentinelOne (ticker S), ha presentato un modulo Form 4 segnalando una transazione “sell-to-cover” obbligatoria dall'emittente avvenuta il 08/06/2025. L’ufficiale ha venduto 2.921 azioni di Classe A a 17,31 $ ciascuna (codice transazione S) esclusivamente per coprire la ritenuta fiscale sul reddito da lavoro derivante dalla maturazione di RSU precedentemente assegnate; il documento specifica che l’operazione è stata non discrezionale.

Dopo la vendita, l’ufficiale detiene ancora 306.044 azioni di Classe A (proprietà diretta), di cui 374 acquisite tramite il Piano di Acquisto Azionario per Dipendenti; alcune azioni restano soggette a decadenza se non vengono soddisfatte le condizioni di maturazione.

Non sono stati segnalati titoli derivati. La comunicazione non indica cambiamenti nella struttura retributiva o nei fondamentali aziendali, ma aggiorna il flottante pubblico e il profilo di proprietà degli insider.

Robin Tomasello, Director de Contabilidad de SentinelOne (símbolo S), presentó un Formulario 4 reportando una transacción “sell-to-cover” obligatoria por parte del emisor el 08/06/2025. El ejecutivo vendió 2.921 acciones Clase A a $17.31 cada una (código de transacción S) únicamente para cubrir la retención de impuestos sobre la nómina generada por la consolidación de RSUs previamente otorgadas; el informe indica que la operación fue no discrecional.

Tras la venta, el ejecutivo aún posee 306,044 acciones Clase A (propiedad directa), de las cuales 374 fueron adquiridas bajo el Plan de Compra de Acciones para Empleados; algunas acciones están sujetas a pérdida si no se cumplen las condiciones de consolidación.

No se reportaron valores derivados. La divulgación no refleja ningún cambio en la estructura de compensación ni en los fundamentos de la empresa, pero actualiza el flotante público y el perfil de propiedad de los insiders.

SentinelOne(티커 S)의 최고 회계 책임자 로빈 토마셀로2025년 8월 6일에 발행자 의무에 따른 “sell-to-cover” 거래를 보고하는 Form 4를 제출했습니다. 이 임원은 이전에 부여된 RSU의 권리 확정으로 인해 발생한 급여세 원천징수를 충당하기 위해 2,921주의 클래스 A 주식을 각각 $17.31에 매도했으며(거래 코드 S), 해당 거래는 비재량적임을 명시했습니다.

매도 후에도 이 임원은 직접 소유306,044주의 클래스 A 주식을 보유하고 있으며, 그 중 374주는 직원 주식 구매 계획을 통해 취득한 것입니다. 일부 주식은 권리 확정 조건이 충족되지 않으면 몰수될 수 있습니다.

파생 증권은 보고되지 않았습니다. 이번 공시는 보상 구조나 회사 기본 사항의 변화를 반영하지 않지만, 공개 유통 주식 수와 내부자 소유 현황을 업데이트합니다.

Robin Tomasello, Chief Accounting Officer de SentinelOne (symbole S), a déposé un formulaire 4 signalant une transaction « sell-to-cover » imposée par l’émetteur le 08/06/2025. Le dirigeant a vendu 2 921 actions de Classe A à 17,31 $ chacune (code de transaction S) uniquement pour couvrir la retenue d’impôt sur la paie déclenchée par l’acquisition définitive de RSU précédemment attribuées ; le dépôt précise que la transaction était non discrétionnaire.

Après la vente, le dirigeant possède encore 306 044 actions de Classe A (propriété directe), dont 374 ont été acquises dans le cadre du Plan d’Achat d’Actions des Employés ; certaines actions restent susceptibles d’être perdues si les conditions d’acquisition ne sont pas remplies.

Aucun titre dérivé n’a été déclaré. La divulgation ne reflète aucun changement dans la structure de rémunération ou les fondamentaux de l’entreprise, mais elle met à jour le flottant public et le profil de détention des initiés.

Robin Tomasello, Chief Accounting Officer von SentinelOne (Ticker S), reichte ein Formular 4 ein, das eine vom Emittenten vorgeschriebene „Sell-to-Cover“-Transaktion am 08.06.2025 meldet. Der Officer verkaufte 2.921 Class-A-Aktien zu je 17,31 $ (Transaktionscode S), ausschließlich um die durch das Vesting zuvor gewährter RSUs ausgelöste Lohnsteuerabzugsverpflichtung zu erfüllen; die Meldung gibt an, dass der Handel nicht diskretionär war.

Nach dem Verkauf besitzt der Officer weiterhin 306.044 Class-A-Aktien (direkter Besitz), davon wurden 374 im Rahmen des Employee Stock Purchase Plans erworben; einige Aktien unterliegen noch dem Risiko des Verfalls, falls Vesting-Bedingungen nicht erfüllt werden.

Es wurden keine derivativen Wertpapiere gemeldet. Die Offenlegung spiegelt keine Änderungen in der Vergütungsstruktur oder den Unternehmensgrundlagen wider, aktualisiert jedoch den Streubesitz und das Insiderbesitzprofil.

SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
TOMASELLO ROBIN

(Last) (First) (Middle)
C/O SENTINELONE, INC.
444 CASTRO STREET, SUITE 400

(Street)
MOUNTAIN VIEW CA 94041

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
SentinelOne, Inc. [ S ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Chief Accounting Officer
3. Date of Earliest Transaction (Month/Day/Year)
08/06/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Class A Common Stock 08/06/2025 S(1) 2,921 D $17.31 306,044(2)(3) D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Explanation of Responses:
1. The sale reported on this Form 4 represents an Issuer mandated sale by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of Restricted Stock Units, and it does not represent a discretionary trade by the Reporting Person. Pursuant to the Issuer's equity incentive plan, an award recipient's tax withholding obligations must be funded by a "sell to cover" transaction.
2. Includes 374 of Class A Common Stock acquired by the reporting person in one or more transactions with issuer pursuant to its Employee Stock Purchase Plan, which transactions are exempt pursuant to Rules 16a3(f)(1)(i)(B) and 16b3(c).
3. Certain of the shares are subject to forfeiture to the Issuer if underlying vesting conditions are not met.
Remarks:
/s/ Keenan Conder, Attorney-in-Fact 08/07/2025
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

How many SentinelOne shares did the CAO sell?

The Form 4 shows a sale of 2,921 Class A shares.

At what price were the shares sold?

Shares were sold at $17.31 per share.

Why did Robin Tomasello sell SentinelOne stock?

The sale was an issuer-mandated “sell-to-cover” transaction to fund tax withholding on vested RSUs.

How many shares does the officer still own after the transaction?

Post-sale, Tomasello beneficially owns 306,044 Class A shares.

Does this Form 4 include any options or other derivative securities?

No derivative securities were reported in Table II of the filing.
Sentinelone Inc

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Software - Infrastructure
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United States
MOUNTAIN VIEW