Thomas Dean Fountain Insider Trading Activity
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.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 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
Pro: Trade MarkersFFIV · F5, INC.
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
May 5, 2026 | FFIV | Sell | 1,328 | $330.58 | $439K | −14.1% | VP | |
Feb 10, 2026 | FFIV | Sell | 1,297 | $278.32 | $361K | −13.9% | VP | |
Jan 26, 2026 | FFIV | Sell | 3,343 | $261.87 | $875K | −29.3% | VP | |
Jan 20, 2026 | FFIV | Sell | 1,110 | $262.73 | $292K | −8.9% | VP | |
Jan 12, 2026 | FFIV | Sell | 1,110 | $265.00 | $294K | −8.1% | VP | |
Jan 5, 2026 | FFIV | Sell | 1,110 | $263.79 | $293K | −7.5% | VP | |
Dec 29, 2025 | FFIV | Sell | 1,100 | $262.86 | $289K | −6.9% | VP | |
Dec 22, 2025 | FFIV | Sell | 1,110 | $257.90 | $286K | −6.6% | VP | |
Dec 15, 2025 | FFIV | Sell | 1,110 | $264.76 | $294K | −6.1% | VP | |
Dec 8, 2025 | FFIV | Sell | 1,110 | $248.66 | $276K | −5.8% | VP | |
Dec 1, 2025 | FFIV | Sell | 1,110 | $236.99 | $263K | −5.5% | VP | |
Nov 24, 2025 | FFIV | Sell | 1,110 | $234.91 | $261K | −5.2% | VP | |
Nov 18, 2025 | FFIV | Sell | 1,110 | $227.44 | $252K | −4.9% | VP | |
Nov 3, 2025 | FFIV | Sell | 1,683 | $248.44 | $418K | −5.5% | VP | |
Nov 3, 2025 | FFIV | Sell | 3,265 | $249.38 | $814K | −11.2% | VP | |
Nov 3, 2025 | FFIV | Sell | 1,095 | $250.18 | $274K | −4.2% | VP | |
Nov 3, 2025 | FFIV | Sell | 2,161 | $251.05 | $543K | −8.7% | VP | |
Nov 3, 2025 | FFIV | Sell | 114 | $252.98 | $29K | −0.5% | VP | |
Aug 4, 2025 | FFIV | Sell | 1,347 | $309.73 | $417K | −6.1% | VP |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| FFIV | F5, INC. | 19 | $7.0M |
Other insiders at F5, INC.
4 other tracked filers at FFIV.