Thomas Dean Fountain Insider Trading Activity

Corporate InsiderVP · CIK 1728330

19

Total trades

$7.0M

Total volume

May 5, 2026

Last activity

FFIV

F5, INC.

Thomas Dean Fountain has been net-selling over the last 12 months with 0 purchases and 19 sales across 1 company.

FFIV is the most-traded position with 19 trades. The largest single transaction was a sale of FFIV for $875K on Jan 26, 2026.

Performance Scorecard

Forward stock performance after each transaction by Thomas Dean Fountain. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.

PERIODAVG BUY RETURNAVG SELL AVOIDEDSUCCESS RATETRADES
30 days-4.4%32%19
90 days-12.4%6%18
120 days-21.2%6%18

Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.

Price & Trades

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FFIV · F5, INC.

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Recent Trades

DATETICKERTYPESHARESPRICEVALUEΔ OWNEDROLEFILING
May 5, 2026
FFIVSell1,328$330.58$439K−14.1%VP
Feb 10, 2026
FFIVSell1,297$278.32$361K−13.9%VP
Jan 26, 2026
FFIVSell3,343$261.87$875K−29.3%VP
Jan 20, 2026
FFIVSell1,110$262.73$292K−8.9%VP
Jan 12, 2026
FFIVSell1,110$265.00$294K−8.1%VP
Jan 5, 2026
FFIVSell1,110$263.79$293K−7.5%VP
Dec 29, 2025
FFIVSell1,100$262.86$289K−6.9%VP
Dec 22, 2025
FFIVSell1,110$257.90$286K−6.6%VP
Dec 15, 2025
FFIVSell1,110$264.76$294K−6.1%VP
Dec 8, 2025
FFIVSell1,110$248.66$276K−5.8%VP
Dec 1, 2025
FFIVSell1,110$236.99$263K−5.5%VP
Nov 24, 2025
FFIVSell1,110$234.91$261K−5.2%VP
Nov 18, 2025
FFIVSell1,110$227.44$252K−4.9%VP
Nov 3, 2025
FFIVSell1,683$248.44$418K−5.5%VP
Nov 3, 2025
FFIVSell3,265$249.38$814K−11.2%VP
Nov 3, 2025
FFIVSell1,095$250.18$274K−4.2%VP
Nov 3, 2025
FFIVSell2,161$251.05$543K−8.7%VP
Nov 3, 2025
FFIVSell114$252.98$29K−0.5%VP
Aug 4, 2025
FFIVSell1,347$309.73$417K−6.1%VP

Top Companies Traded

TICKERCOMPANYTRADESTOTAL VOLUME
FFIVF5, INC.19$7.0M

Other insiders at F5, INC.

4 other tracked filers at FFIV.