SentinelOne (S) Chief Accounting Officer Robin Tomasello Sells Shares

What Happened Robin Tomasello, Chief Accounting Officer of SentinelOne (S), disposed of 5,467 shares on August 6, 2026 in an issuer-mandated "sell-to-cover" transaction to satisfy tax withholding obligations. The weighted average sale price was $20.08 per share, resulting in proceeds of approximately $109,799.

Key Details

• Transaction date: 2026-08-06; Form 4 filed: 2026-08-07 (timely filing).
• Transaction type: Sale (sell-to-cover) to fund tax withholding related to RSU vesting—this was not a discretionary trade by the reporting person (footnote F1).
• Shares sold: 5,467; weighted average price reported: $20.08; sale prices ranged from $20.07 to $20.58 (footnote F2).
• Shares owned after the transaction: not disclosed in this filing.
• Additional notes: some of the underlying shares remain subject to forfeiture if vesting conditions are not met (footnote F3). Exhibit 24.1 (Power of Attorney) is included in the filing.

Context A sell-to-cover is a routine, issuer-mandated sale to cover taxes when restricted stock units vest and does not necessarily indicate the insider's view on the company's stock. The filing documents the mechanics and pricing of that mandatory sale rather than a voluntary investment decision.