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sellWeak cluster of 410b5-1 plan

Robin Tomasello sold $266k of S

Chief Accounting Officer at SentinelOne, Inc.. 13,311 shares at an average of $19.95, traded Sep 10, 2026, filed Sep 11, 2026.

Warning score
23
Value
$266k
13,311 shares
Holdings after
405,112
-3% from before
From 52-week low
+66%
low $11.94, close $19.81
From 52-week high
-17%
high $23.84, as of Sep 10, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $266k at market
    +13
  • Share of holdings sold
    Sold 3.2% of holdings
    0
  • Cluster
    4 insiders selling within 14 days
    +15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

SOct 9, 2026 · close 26.27
Since filing Sep 11, 2026: +33.0%SPY +2.1% · excess +30.9%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001608511-26-000019, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 10, 2026SOpen-market sale
Class A Common Stock10b5-1
-13,311$19.95$266k405,11232 d ago

Related signals

Other insiders at SentinelOne, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
33Weak
Ssell 410b5-1
SentinelOne, Inc.
Sonalee Elizabeth Parekh
Chief Financial Officer
$413k
16,304 shares
-2%
51Moderate
Ssell 4
SentinelOne, Inc.
Barry L. Padgett
President and COO
$392k
15,460 shares
-2%
62Notable
Ssell 4
SentinelOne, Inc.
Sonalee Elizabeth Parekh
Chief Financial Officer
$1.3M
51,703 shares
-5%
51Moderate
Ssell 4
SentinelOne, Inc.
Ana G. Pinczuk
President Product & Technology
$406k
16,042 shares
-2%
35Weak
Ssell 410b5-1
SentinelOne, Inc.
Tomer Weingarten
President, CEO
$13M
527,368 shares
-23%
45Moderate
Ssell 410b5-1
SentinelOne, Inc.
Tomer Weingarten
President, CEO
$2.3M
114,890 shares
-6%
41Moderate
Ssell 4
SentinelOne, Inc.
Keenan Michael Conder
Chief Legal Officer & Sec'y
$164k
8,312 shares
-1%
33Weak
Ssell 410b5-1
SentinelOne, Inc.
Sonalee Elizabeth Parekh
Chief Financial Officer
$421k
21,664 shares
-2%
26Weak
Ssell 410b5-1
SentinelOne, Inc.
Robin Tomasello
Chief Accounting Officer
$422k
21,440 shares
-5%
62Notable
Ssell 4
SentinelOne, Inc.
Tomer Weingarten
President, CEO
$767k
38,759 shares
-2%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Robin Tomasello sold $266k of S | InsiderTell