X0508 4 2026-02-06 0 0001583708 SentinelOne, Inc. S 0001608511 TOMASELLO ROBIN C/O SENTINELONE, INC. 444 CASTRO STREET, SUITE 400 MOUNTAIN VIEW CA 94041 0 1 0 0 Chief Accounting Officer 0 Class A Common Stock 2026-02-06 4 S 0 2975 13.15 D 411034 D 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. Includes 1,374 shares of the Issuer's Class A Common Stock acquired by the Reporting Person in one or more transactions with the Issuer pursuant to its Employee Stock Purchase Plan, which transactions are exempt pursuant to Rules 16a3(f)(1)(i)(B) and 16b3(c). Certain of the shares are subject to forfeiture to the Issuer if underlying vesting conditions are not met. /s/ Keenan Conder, Attorney-in-Fact 2026-02-06