John Anthony Maddison

Chief Product Mkting Officer · F5

John Anthony Maddison (Chief Product Mkting Officer) filed 4 Form 4 reports in the trailing twelve months (0 purchases, 4 sales), most often in F5, Inc. (FFIV). The largest single filing was $406K of FFIV (1,000 sh × $405.85, as filed), executed Aug 3. Data as of Nov 8 2026.

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Return, ttmiAverage return per filing, trailing twelve months

–

no purchases on file

Delay-adjustediThe same average, entered at disclosure dates

–

returns measure stock purchases only

Filings, ttm

0 buys · 4 sells

Median delay

–

measured on stock purchases

Volume, ttmiDollar value disclosed in the trailing twelve months

$1.2M

shares × price, as filed

Last traded

Nov 3

Filed Nov 5

Median ADV $278.8M across their filed names

Open performance→

Volume by month

Buys $0 Sells $1.2M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on

Technology 4 filings

Sector per market data · by filing · past 12 months

Most traded names

FFIV

F5, Inc. FFIV · 0 buys · 4 sells 4 filings

Recent filings

FFIVSALE F5, Inc. View filing → $201K
619 sh × $324.06
Exec Nov 3
Filed Nov 5 · 5:14 PM ET FFIVSALE F5, Inc. View filing → $406K
1,000 sh × $405.85
Exec Aug 3
Filed Aug 4 · 5:09 PM ET FFIVSALE F5, Inc. View filing → $322K
1,000 sh × $322.33
Exec May 4
Filed May 5 · 5:30 PM ET FFIVSALE F5, Inc. View filing → $281K
1,000 sh × $280.66
Exec Feb 10
Filed Feb 11 · 5:30 PM ET