Thomas Dean Fountain sold $289k of FFIV
EVP Global Services & Strategy at F5, INC.. 1,100 shares at an average of $262.86, traded Dec 29, 2025, filed Dec 30, 2025.
Score components
- +15RoleOfficer
- +14Trade size$289k at market
- 0Share of holdings soldSold 6.9% of holdings
- 0ClusterNo other insider selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m +8.9%, 3m +11.6%, 6m +60.4%.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001048695-25-000159, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Dec 29, 2025 | SOpen-market sale Common Stock10b5-1 | -1,100 | $262.86 | $289k | 14,733 | Dec 30, 2025 |
Related signals
Other insiders at F5, INC. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 48Moderate | F5, INC. | Michael F Montoya Chief Technology Ops Officer | $1.8M 4,426 shares | -77% | |
| 17Weak | F5, INC. | John Anthony Maddison Chief Product Mkting Officer | $83k 204 shares | -15% | |
| 45Moderate | F5, INC. | Francois Locoh-Donou President, CEO & Director | $1.6M 3,782 shares | -3% | |
| 33Weak | F5, INC. | Thomas Dean Fountain EVP Global Services & Strategy | $501k 1,208 shares | -13% | |
| 6Weak | F5, INC. | Kunal Anand Chief Technology Officer | $159k 392 shares | -3% | |
| 9Weak | F5, INC. | Chad Michael Whalen EVP, Worldwide Sales | $285k 703 shares | -3% | |
| 35Weak | F5, INC. | Edward Cooper Werner Chief Financial Officer | $243k 599 shares | -60% | |
| 21Weak | F5, INC. | John Anthony Maddison Chief Product Mkting Officer | $406k 1,000 shares | -42% | |
| 12Weak | F5, INC. | Angelique M Okeke EVP, General Counsel | $208k 515 shares | -19% | |
| 65Notable | F5, INC. | Nikhil Ramesh Mehta director | $1.6M 4,000 shares | -36% |
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.