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sellModerate cluster of 410b5-1 plan

John Whittle sold $19M of FTNT

CHIEF OPERATING OFFICER at Fortinet, Inc.. 146,015 shares at an average of $128.41, traded May 21, 2026, filed May 22, 2026.

Warning score
45
Value
$19M
146,015 shares
Holdings after
94,724
-61% from before
From 52-week low
+74%
low $74.39, close $129.46
From 52-week high
-0%
high $130.00, as of May 21, 2026

Score components

  • Role
    COO
    +20
  • Trade size
    $18.7M at market
    +25
  • Share of holdings sold
    Sold 61% of holdings
    +20
  • Cluster
    4 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -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.

FTNTOct 9, 2026 · close 194.75
Since filing May 22, 2026: +45.4%SPY +4.9% · excess +40.5%

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 0001476336-26-000010, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 21, 2026MOption exercise
Common Stock10b5-1
+89,000$34.39$3.1M183,724May 22, 2026
May 21, 2026MOption exercise
Common Stock10b5-1
+57,015$22.90$1.3M240,739May 22, 2026
May 21, 2026SOpen-market sale
Common Stock10b5-1
-86,820$128.15$11M153,919May 22, 2026
May 21, 2026SOpen-market sale
Common Stock10b5-1
-54,979$128.74$7.1M98,940May 22, 2026
May 21, 2026SOpen-market sale
Common Stock10b5-1
-4,216$129.55$546k94,724May 22, 2026
May 21, 2026MOption exercise
Stock Option (right to buy)derivative10b5-1
-89,000$0.00$00May 22, 2026
May 21, 2026MOption exercise
Stock Option (right to buy)derivative10b5-1
-57,015$0.00$00May 22, 2026

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
10Weak
FTNTsell 210b5-1
Fortinet, Inc.
Christiane Ohlgart
Chief Financial Officer
$8,640
48 shares
-0%
28Weak
FTNTsell 210b5-1
Fortinet, Inc.
John Whittle
CHIEF OPERATING OFFICER
$9.4M
56,700 shares
-38%
13Weak
FTNTsell 310b5-1
Fortinet, Inc.
Michael Xie
VP, ENGINEERING & CTO
$508k
3,121 shares
-0%
30Weak
FTNTsell 310b5-1
Fortinet, Inc.
Ken Xie
PRESIDENT & CEO
$26M
161,482 shares
-0%
10Weak
FTNTsell 310b5-1
Fortinet, Inc.
Christiane Ohlgart
Chief Financial Officer
$64k
387 shares
-4%
29Weak
FTNTsell 410b5-1
Fortinet, Inc.
Michael Xie
VP, ENGINEERING & CTO
$572k
3,907 shares
-0%
30Weak
FTNTsell 410b5-1
Fortinet, Inc.
Ken Xie
PRESIDENT & CEO
$23M
160,632 shares
-0%
22Weak
FTNTsell 410b5-1
Fortinet, Inc.
Christiane Ohlgart
Chief Financial Officer
$31k
238 shares
-3%
26Weak
FTNTsell 410b5-1
Fortinet, Inc.
Christiane Ohlgart
Chief Financial Officer
$91k
756 shares
-8%
22Weak
FTNTsell 410b5-1
Fortinet, Inc.
Christiane Ohlgart
Chief Financial Officer
$27k
238 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.

John Whittle sold $19M of FTNT | InsiderTell