SentinelOne (S) CAO Robin Tomasello Sells 13,311 Shares

What Happened
Robin Tomasello, Chief Accounting Officer of SentinelOne (S), sold 13,311 shares in an open-market disposition on September 10, 2026. The filing reports a weighted-average sale price of $19.95, for aggregate proceeds of approximately $265,512. The individual sales occurred at prices ranging from $19.24 to $20.09.

Key Details

• Transaction type: Sale (S).
• Transaction date: 2026-09-10; Form filed: 2026-09-11 (timely).
• Shares sold: 13,311; weighted-average price: $19.95; total value ≈ $265,512.
• Price range: $19.24 to $20.09; the filer will provide a per-price breakdown on request (per footnote).
• Plan: Executed under a Rule 10b5-1 trading plan adopted June 9, 2026.
• Forfeiture note: Some of the underlying shares remain subject to forfeiture if vesting conditions are not met.
• Shares owned after transaction: Not disclosed in the provided excerpt of the filing.

Context
This was a pre-planned sale under a 10b5-1 plan, which typically schedules trades in advance and is generally viewed as routine rather than a direct signal of insider sentiment. For retail investors, purchases are usually more informative about insider conviction; sales can reflect portfolio management, tax planning, or other personal reasons.