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Insider · CIK 0001728330

Thomas Dean Fountain

officer

Files at FFIV (F5, INC.). First filing Nov 6, 2024, latest Feb 11, 2026.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 17
$0 bought, $8.2M sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

FFIV: F5, INC.

FFIVOct 9, 2026 · close 479.83

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
30Weak
FFIVsell 710b5-1
F5, INC.
$361k
1,297 shares
-14%+26% from low-18% from high
36Weak
FFIVsell 210b5-1
F5, INC.
$875k
3,343 shares
-29%+19% from low-22% from high
17Weak
FFIVsell 210b5-1
F5, INC.
$292k
1,110 shares
-9%+16% from low-24% from high
9Weak
FFIVsell10b5-1
F5, INC.
$294k
1,110 shares
-8%+21% from low-21% from high
9Weak
FFIVsell10b5-1
F5, INC.
$293k
1,110 shares
-8%+21% from low-21% from high
9Weak
FFIVsell10b5-1
F5, INC.
$289k
1,100 shares
-7%+16% from low-24% from high
9Weak
FFIVsell10b5-1
F5, INC.
$286k
1,110 shares
-7%+16% from low-24% from high
24Weak
FFIVsell 310b5-1
F5, INC.
$294k
1,110 shares
-6%+17% from low-23% from high
24Weak
FFIVsell 310b5-1
F5, INC.
$276k
1,110 shares
-6%+11% from low-28% from high
23Weak
FFIVsell 310b5-1
F5, INC.
$263k
1,110 shares
-5%+7% from low-30% from high
23Weak
FFIVsell 310b5-1
F5, INC.
$261k
1,110 shares
-5%+5% from low-31% from high
23Weak
FFIVsell 310b5-1
F5, INC.
$252k
1,110 shares
-5%0% from low-34% from high
30Weak
FFIVsell 410b5-1
F5, INC.
$2.1M
8,318 shares
-27%+8% from low-27% from high
26Weak
FFIVsell 310b5-1
F5, INC.
$417k
1,347 shares
-6%+58% from low0% from high
10Weak
FFIVsell 310b5-1
F5, INC.
$362k
1,347 shares
-6%+32% from low-13% from high
11Weak
FFIVsell 510b5-1
F5, INC.
$386k
1,314 shares
-6%-
39Weak
FFIVsell 510b5-1
F5, INC.
$912k
3,932 shares
-16%-

Planned sales

Form 144 notices this insider filed before selling restricted or control stock, newest first.

FiledCompanySharesValueSale datePast 3 months
Feb 3, 2025 FFIV
F5, INC.
1,314
0.00% of outstanding
$386kFeb 3, 2025$912k
Nov 4, 2024 FFIV
F5, INC.
3,932
0.01% of outstanding
$912kNov 4, 2024none

Transactions

Every row this insider has filed, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Feb 10, 2026FFIV
F5, INC.
SOpen-market sale
Common Stock10b5-1
-1,297$278.32$361k8,060Feb 11, 2026
Feb 1, 2026FFIV
F5, INC.
MOption exercise
Common Stock
+2,699$0.00$010,759Feb 3, 2026
Feb 1, 2026FFIV
F5, INC.
FTax withholding
Common Stock
-1,402$275.61$386k9,357Feb 3, 2026
Feb 1, 2026FFIV
F5, INC.
MOption exercise
Restricted Stock Unitderivative
-950$0.00$06,654Feb 3, 2026
Feb 1, 2026FFIV
F5, INC.
MOption exercise
Restricted Stock Unitderivative
-707$0.00$07,786Feb 3, 2026
Feb 1, 2026FFIV
F5, INC.
MOption exercise
Restricted Stock Unitderivative
-1,042$0.00$03,127Feb 3, 2026
Jan 26, 2026FFIV
F5, INC.
SOpen-market sale
Common Stock10b5-1
-3,343$261.87$875k8,060Jan 28, 2026
Jan 20, 2026FFIV
F5, INC.
SOpen-market sale
Common Stock10b5-1
-1,110$262.73$292k11,403Jan 22, 2026
Jan 12, 2026FFIV
F5, INC.
SOpen-market sale
Common Stock10b5-1
-1,110$265.00$294k12,513Jan 14, 2026
Jan 5, 2026FFIV
F5, INC.
SOpen-market sale
Common Stock10b5-1
-1,110$263.79$293k13,623Jan 7, 2026
Dec 29, 2025FFIV
F5, INC.
SOpen-market sale
Common Stock10b5-1
-1,100$262.86$289k14,733Dec 30, 2025
Dec 22, 2025FFIV
F5, INC.
SOpen-market sale
Common Stock10b5-1
-1,110$257.90$286k15,833Dec 23, 2025
Dec 15, 2025FFIV
F5, INC.
SOpen-market sale
Common Stock10b5-1
-1,110$264.76$294k16,943Dec 17, 2025
Dec 8, 2025FFIV
F5, INC.
SOpen-market sale
Common Stock10b5-1
-1,110$248.66$276k18,053Dec 10, 2025
Dec 1, 2025FFIV
F5, INC.
SOpen-market sale
Common Stock10b5-1
-1,110$236.99$263k19,163Dec 3, 2025
Nov 24, 2025FFIV
F5, INC.
SOpen-market sale
Common Stock10b5-1
-1,110$234.92$261k20,273Nov 25, 2025
Nov 18, 2025FFIV
F5, INC.
SOpen-market sale
Common Stock10b5-1
-1,110$227.44$252k21,383Nov 19, 2025
Nov 3, 2025FFIV
F5, INC.
AGrant or award
Restricted Stock Unitderivative
+8,493$0.00$08,493Nov 5, 2025
Nov 1, 2025FFIV
F5, INC.
MOption exercise
Common Stock10b5-1
+3,003$0.00$042,598Nov 4, 2025
Oct 31, 2025FFIV
F5, INC.
AGrant or award
Common Stock
+18,896$0.00$039,595Nov 4, 2025
Nov 1, 2025FFIV
F5, INC.
FTax withholding
Common Stock10b5-1
-11,787$253.05$3.0M30,811Nov 4, 2025
Nov 3, 2025FFIV
F5, INC.
SOpen-market sale
Common Stock10b5-1
-1,683$248.44$418k29,128Nov 4, 2025
Nov 3, 2025FFIV
F5, INC.
SOpen-market sale
Common Stock10b5-1
-3,265$249.38$814k25,863Nov 4, 2025
Nov 3, 2025FFIV
F5, INC.
SOpen-market sale
Common Stock10b5-1
-1,095$250.18$274k24,768Nov 4, 2025
Nov 3, 2025FFIV
F5, INC.
SOpen-market sale
Common Stock10b5-1
-2,161$251.05$543k22,607Nov 4, 2025
Nov 3, 2025FFIV
F5, INC.
SOpen-market sale
Common Stock10b5-1
-114$252.98$29k22,493Nov 4, 2025
Nov 1, 2025FFIV
F5, INC.
MOption exercise
Restricted Stock Unitderivative10b5-1
-1,009$0.00$00Nov 4, 2025
Nov 1, 2025FFIV
F5, INC.
MOption exercise
Restricted Stock Unitderivative10b5-1
-1,043$0.00$04,169Nov 4, 2025
Nov 1, 2025FFIV
F5, INC.
MOption exercise
Restricted Stock Unitderivative10b5-1
-951$0.00$07,604Nov 4, 2025
Aug 4, 2025FFIV
F5, INC.
SOpen-market sale
Common Stock10b5-1
-1,347$309.73$417k20,699Aug 6, 2025
Aug 1, 2025FFIV
F5, INC.
MOption exercise
Common Stock
+3,001$0.00$023,661Aug 4, 2025
Aug 1, 2025FFIV
F5, INC.
FTax withholding
Common Stock
-1,615$313.42$506k22,046Aug 4, 2025
Aug 1, 2025FFIV
F5, INC.
MOption exercise
Restricted Stock Unitderivative
-1,009$0.00$01,009Aug 4, 2025
Aug 1, 2025FFIV
F5, INC.
MOption exercise
Restricted Stock Unitderivative
-1,042$0.00$05,212Aug 4, 2025
Aug 1, 2025FFIV
F5, INC.
MOption exercise
Restricted Stock Unitderivative
-950$0.00$08,555Aug 4, 2025
May 1, 2025FFIV
F5, INC.
MOption exercise
Common Stock10b5-1
+3,002$0.00$023,530May 5, 2025
May 1, 2025FFIV
F5, INC.
FTax withholding
Common Stock10b5-1
-1,523$264.74$403k22,007May 5, 2025
May 2, 2025FFIV
F5, INC.
SOpen-market sale
Common Stock10b5-1
-1,347$269.03$362k20,660May 5, 2025
May 1, 2025FFIV
F5, INC.
MOption exercise
Restricted Stock Unitderivative10b5-1
-1,009$0.00$02,018May 5, 2025
May 1, 2025FFIV
F5, INC.
MOption exercise
Restricted Stock Unitderivative10b5-1
-1,042$0.00$06,254May 5, 2025
May 1, 2025FFIV
F5, INC.
MOption exercise
Restricted Stock Unitderivative10b5-1
-951$0.00$09,505May 5, 2025
Feb 1, 2025FFIV
F5, INC.
MOption exercise
Common Stock10b5-1
+3,001$0.00$023,387Feb 4, 2025
Feb 1, 2025FFIV
F5, INC.
FTax withholding
Common Stock10b5-1
-1,545$297.26$459k21,842Feb 4, 2025
Feb 3, 2025FFIV
F5, INC.
SOpen-market sale
Common Stock10b5-1
-1,314$293.40$386k20,528Feb 4, 2025
Feb 1, 2025FFIV
F5, INC.
MOption exercise
Restricted Stock Unitderivative10b5-1
-1,009$0.00$03,027Feb 4, 2025
Feb 1, 2025FFIV
F5, INC.
MOption exercise
Restricted Stock Unitderivative10b5-1
-1,042$0.00$07,296Feb 4, 2025
Feb 1, 2025FFIV
F5, INC.
MOption exercise
Restricted Stock Unitderivative10b5-1
-950$0.00$010,456Feb 4, 2025
Nov 4, 2024FFIV
F5, INC.
SOpen-market sale
Common Stock10b5-1
-540$229.98$124k23,778Nov 6, 2024
Nov 4, 2024FFIV
F5, INC.
SOpen-market sale
Common Stock10b5-1
-715$231.30$165k23,063Nov 6, 2024
Nov 4, 2024FFIV
F5, INC.
SOpen-market sale
Common Stock10b5-1
-2,477$232.41$576k20,586Nov 6, 2024
Nov 4, 2024FFIV
F5, INC.
SOpen-market sale
Common Stock10b5-1
-200$232.99$47k20,386Nov 6, 2024
Nov 1, 2024FFIV
F5, INC.
MOption exercise
Common Stock
+2,730$0.00$032,852Nov 5, 2024
Nov 1, 2024FFIV
F5, INC.
FTax withholding
Common Stock
-8,534$233.88$2.0M24,318Nov 5, 2024
Nov 1, 2024FFIV
F5, INC.
MOption exercise
Restricted Stock Unitderivative
-678$0.00$00Nov 5, 2024
Nov 1, 2024FFIV
F5, INC.
MOption exercise
Restricted Stock Unitderivative
-1,009$0.00$04,036Nov 5, 2024
Nov 1, 2024FFIV
F5, INC.
MOption exercise
Restricted Stock Unitderivative
-1,043$0.00$08,338Nov 5, 2024
Nov 1, 2024FFIV
F5, INC.
AGrant or award
Restricted Stock Unitderivative
+11,406$0.00$011,406Nov 5, 2024
Oct 31, 2024FFIV
F5, INC.
AGrant or award
Common Stock
+14,122$0.00$030,122Nov 1, 2024

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: insider trades and track record | InsiderTell