Robin Tomasello Sells $266K of SentinelOne Inc (S) — SEC Form 4, Sep 11, 2026

Open-Market Net Sale · SEC Form 4

−$265,512

10b5-1 Plan

Equity position changed by -3.2%

Reporting Owner

Robin Tomasello

CAO

TXN 2026-09-10 · FILED 2026-09-11

Equity Position 405K sh 418,423 → 405,112

Equity Change -3.2% shares held after vs before

Filing Lag 1 business day within 2-day SEC deadline

Form 4 · Statement of Changes in Beneficial Ownership

SentinelOne Inc

S CIK 0001583708

Reporting Owner

Name	Relationship
Robin Tomasello CIK 0001608511	CAO

Robin Tomasello at SentinelOne Inc Full insider history

Bought (12 mo) —

Sold (12 mo) $1,403,575

More from this insider at SentinelOne Inc

Non-Derivative Securities Transactions

Title	Date	Type	Shares	Price	Net Total	Post-Txn	Ownership
Class A Common StockF1 F2 F3	2026-09-10	S - Sale 10b5-1	13,311 D	$19.95	-$265,512	405,112	Direct

Footnotes (3)

F1: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 9, 2026. Show more
F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.24 to $20.09, 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. Show more
F3: Certain of the shares are subject to forfeiture to the Issuer if underlying vesting conditions are not met. Show more

Institutional Holders

Largest by reported value

5%+ Holders · 13D/G 3 filers

Latest Schedule 13D/G per filer; stakes the filer reported closed are left out.

Other insiders at SentinelOne Inc

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