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sellWeak cluster of 710b5-1 plan

Thomas Dean Fountain sold $361k of FFIV

EVP Global Services & Strategy at F5, INC.. 1,297 shares at an average of $278.32, traded Feb 10, 2026, filed Feb 11, 2026.

Warning score
30
Value
$361k
1,297 shares
Holdings after
8,060
-14% from before
From 52-week low
+26%
low $223.99, close $282.38
From 52-week high
-18%
high $343.17, as of Feb 10, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $361k at market
    +15
  • Share of holdings sold
    Sold 14% of holdings
    +5
  • Cluster
    7 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.

This signal so far: 1m +2.3%, 3m +26.4%, 6m +49.6%.

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.

FFIVOct 9, 2026 · close 479.83
Since filing Feb 11, 2026: +69.7%SPY +13.4% · excess +56.4%

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 0001728330-26-000008, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 10, 2026SOpen-market sale
Common Stock10b5-1
-1,297$278.32$361k8,060Feb 11, 2026

Related signals

Other insiders at F5, INC. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
48Moderate
FFIVsell 210b5-1
F5, INC.
Michael F Montoya
Chief Technology Ops Officer
$1.8M
4,426 shares
-77%
17Weak
FFIVsell 210b5-1
F5, INC.
John Anthony Maddison
Chief Product Mkting Officer
$83k
204 shares
-15%
0Weak
FFIVsell10b5-1
F5, INC.
Kunal Anand
Chief Technology Officer
$159k
392 shares
-3%
44Moderate
FFIVsell 2
F5, INC.
Elizabeth Buse
director
$399k
1,000 shares
-17%
55Moderate
FFIVsell 210b5-1
F5, INC.
Edward Cooper Werner
Chief Financial Officer
$1.0M
2,500 shares
-86%
40Moderate
FFIVsell 710b5-1
F5, INC.
Chad Michael Whalen
EVP, Worldwide Sales
$2.2M
6,200 shares
-23%
45Moderate
FFIVsell 710b5-1
F5, INC.
Edward Cooper Werner
Chief Financial Officer
$525k
1,500 shares
-34%
45Moderate
FFIVsell 710b5-1
F5, INC.
Francois Locoh-Donou
President, CEO & Director
$1.3M
3,783 shares
-3%
32Weak
FFIVsell 710b5-1
F5, INC.
Thomas Dean Fountain
EVP Global Services & Strategy
$439k
1,328 shares
-14%
25Weak
FFIVsell 710b5-1
F5, INC.
Kunal Anand
Chief Technology Officer
$1.0M
3,123 shares
-20%

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.

Thomas Dean Fountain sold $361k of FFIV | InsiderTell