Thomas Dean Fountain serves as Executive at F5 NETWORKS INC, where they oversee executive responsibilities. Since joining the company, Thomas Dean Fountain has executed 136 insider transactions totaling $16.5M, demonstrating a bearish approach to their equity position. Their most recent transaction on Jan 20, 2026 involved selling 1,110 shares valued at $291.6K.
Thomas Dean Fountain currently holds 11,403 shares of F5 NETWORKS INC (FFIV), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Thomas Dean Fountain has been a net seller of FFIV stock. They have purchased $1.1M and sold $15.4M worth of shares.
Thomas Dean Fountain's most recent insider trade was on Jan 20, 2026, when they sold 1,110 shares at $262.73 per share.
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| $265.00 |
| Discretionary |
| Jan 5, 2026 | FFIV | $292.8K | Sale | 1,110 | $263.79 | Discretionary |
| Dec 29, 2025 | FFIV | $289.1K | Sale | 1,100 | $262.86 | Discretionary |
| Dec 29, 2025 | FFIV | $289.1K | Sale | 1,100 | $262.86 | Discretionary |
| Dec 22, 2025 | FFIV | $286.3K | Sale | 1,110 | $257.90 | Discretionary |
| Dec 15, 2025 | FFIV | $293.9K | Sale | 1,110 | $264.76 | Discretionary |
| Dec 8, 2025 | FFIV | $276.0K | Sale | 1,110 | $248.66 | Discretionary |
| Dec 1, 2025 | FFIV | $263.1K | Sale | 1,110 | $236.99 | Discretionary |
| Nov 24, 2025 | FFIV | $260.8K | Sale | 1,110 | $234.92 | Discretionary |
| Nov 18, 2025 | FFIV | $252.5K | Sale | 1,110 | $227.44 | Discretionary |
| Nov 3, 2025 | FFIV | $28.8K | Sale | 114 | $252.98 | Discretionary |
| Nov 3, 2025 | FFIV | $542.5K | Sale | 2,161 | $251.05 | Discretionary |
| Nov 3, 2025 | FFIV | $273.9K | Sale | 1,095 | $250.18 | Discretionary |
| Nov 3, 2025 | FFIV | $814.2K | Sale | 3,265 | $249.38 | Discretionary |
| Nov 3, 2025 | FFIV | $418.1K | Sale | 1,683 | $248.44 | Discretionary |
| Nov 1, 2025 | FFIV | $0 | Option Exercise | 3,003 | $N/A | Discretionary |
| Nov 1, 2025 | FFIV | $3.0M | Payment | 11,787 | $253.05 | Discretionary |
| Oct 31, 2025 | FFIV | $0 | Award | 18,896 | $N/A | Discretionary |
| Aug 4, 2025 | FFIV | $417.2K | Sale | 1,347 | $309.73 | Discretionary |
| Aug 1, 2025 | FFIV | $0 | Option Exercise | 3,001 | $N/A | Discretionary |
| Aug 1, 2025 | FFIV | $506.2K | Payment | 1,615 | $313.42 | Discretionary |
| Aug 2, 2024 | FFIV | $164.0K | Sale | 851 | $192.71 | Planned |
| Aug 1, 2024 | FFIV | $0 | Payment | 1,382 | $N/A | Planned |
| Aug 1, 2024 | FFIV | $0 | Option Exercise | 678 | $N/A | Planned |
| Aug 1, 2024 | FFIV | $0 | Option Exercise | 1,009 | $N/A | Planned |
| Aug 1, 2024 | FFIV | $0 | Option Exercise | 1,042 | $N/A | Planned |
| May 2, 2024 | FFIV | $142.6K | Sale | 851 | $167.53 | Planned |
| May 1, 2024 | FFIV | $0 | Payment | 1,382 | $N/A | Planned |
| May 1, 2024 | FFIV | $0 | Option Exercise | 1,042 | $N/A | Planned |