Thomas Dean Fountain Insider Trading Activity
Every SEC Form 4 transaction reported by Thomas Dean Fountain, sourced directly from SEC EDGAR and updated as new filings are accepted.
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Is Thomas Dean Fountain buying or selling?
Thomas Dean Fountain reported 1 open-market buys ($1.1M) and 62 sells ($19.0M) across 63 Form 4 filings at 1 company — a net selling position of $17.9M.
Source: SEC EDGAR Form 4
What stands out
- All 63 of Thomas Dean Fountain's Form 4 filings are for one company, F5, INC. (FFIV).
- The most recent Form 4 was accepted on Aug 6, 2026 (2 months ago).
- In the last 12 months: no open-market purchases and 15 sales ($7.1M).
- The largest open-market sale in the last 12 months was $2.1M of F5, INC. (FFIV) on Nov 5, 2025. SEC ↗
Key Statistics (as of Aug 6, 2026)
Insider sentiment
Net sellingNet insider flow of $17.9M in net selling, filed between Feb 5, 2019 – Aug 6, 2026.
Companies Thomas Dean Fountain files for
| # | Company | Form 4 filings |
|---|---|---|
| 1 | FFIVF5, INC. | 63 |
Recent Thomas Dean Fountain transactions
| Date | Ticker | Role | Type | Shares | Value | Filing |
|---|---|---|---|---|---|---|
| Aug 6, 2026 | FFIV | EVP Global Services & Strategy | Sale | 1.2K | $500.9K | SEC ↗ |
| May 7, 2026 | FFIV | EVP Global Services & Strategy | Sale | 1.3K | $439.0K | SEC ↗ |
| Feb 11, 2026 | FFIV | EVP Global Services & Strategy | Sale | 1.3K | $361.0K | SEC ↗ |
| Jan 28, 2026 | FFIV | EVP Global Services & Strategy | Sale | 3.3K | $875.4K | SEC ↗ |
| Jan 22, 2026 | FFIV | EVP Global Services & Strategy | Sale | 1.1K | $291.6K | SEC ↗ |
| Jan 14, 2026 | FFIV | EVP Global Services & Strategy | Sale | 1.1K | $294.1K | SEC ↗ |
| Jan 7, 2026 | FFIV | EVP Global Services & Strategy | Sale | 1.1K | $292.8K | SEC ↗ |
| Dec 30, 2025 | FFIV | EVP Global Services & Strategy | Sale | 1.1K | $289.1K | SEC ↗ |
| Dec 23, 2025 | FFIV | EVP Global Services & Strategy | Sale | 1.1K | $286.3K | SEC ↗ |
| Dec 17, 2025 | FFIV | EVP Global Services & Strategy | Sale | 1.1K | $293.9K | SEC ↗ |
| Dec 10, 2025 | FFIV | EVP Global Services & Strategy | Sale | 1.1K | $276.0K | SEC ↗ |
| Dec 3, 2025 | FFIV | EVP Global Services & Strategy | Sale | 1.1K | $263.1K | SEC ↗ |
| Nov 25, 2025 | FFIV | EVP Global Services & Strategy | Sale | 1.1K | $260.8K | SEC ↗ |
| Nov 19, 2025 | FFIV | EVP Global Services & Strategy | Sale | 1.1K | $252.5K | SEC ↗ |
| Nov 5, 2025 | FFIV | EVP Global Services & Strategy | Sale | 8.3K | $2.1M | SEC ↗ |
| Aug 6, 2025 | FFIV | EVP Global Services & Strategy | Sale | 1.3K | $417.2K | SEC ↗ |
| May 5, 2025 | FFIV | EVP Global Services & Strategy | Sale | 1.3K | $362.4K | SEC ↗ |
| Feb 4, 2025 | FFIV | EVP Global Services & Strategy | Sale | 1.3K | $385.5K | SEC ↗ |
| Nov 6, 2024 | FFIV | EVP Global Services & Strategy | Sale | 3.9K | $911.8K | SEC ↗ |
| Aug 5, 2024 | FFIV | EVP Global Services & Strategy | Sale | 851 | $164.0K | SEC ↗ |
| May 2, 2024 | FFIV | EVP Global Services & Strategy | Sale | 851 | $142.6K | SEC ↗ |
| Feb 12, 2024 | FFIV | EVP Global Services & Strategy | Sale | 851 | $155.8K | SEC ↗ |
| Nov 6, 2023 | FFIV | EVP Global Services & Strategy | Sale | 4.3K | $642.9K | SEC ↗ |
| Aug 3, 2023 | FFIV | EVP Global Services & Strategy | Sale | 919 | $146.2K | SEC ↗ |
| May 2, 2023 | FFIV | EVP Global Services & Strategy | Sale | 919 | $122.2K | SEC ↗ |
Showing the 25 most recent filings of 63. Screen every filing.
Thomas Dean Fountain insider trading FAQ
Is Thomas Dean Fountain buying or selling?
Across 63 SEC Form 4 filings, Thomas Dean Fountain reported 1 open-market purchases totaling $1.1M and 62 sales totaling $19.0M — a net selling position of $17.9M.
Which companies does Thomas Dean Fountain file Form 4s for?
Thomas Dean Fountain has reported insider transactions at 1 company, most often F5, INC. (FFIV).
How far back does Thomas Dean Fountain's filing history go?
Trabud holds Thomas Dean Fountain's SEC Form 4 filings from Feb 5, 2019 – Aug 6, 2026, sourced directly from SEC EDGAR.
Where does Trabud get Thomas Dean Fountain's insider trading data?
Directly from SEC EDGAR Form 4 filings. Every transaction on this page is a real filing accepted by the SEC, updated as new filings arrive.
Related Content
Track Thomas Dean Fountain and every other insider
Screen all SEC Form 4 filings by insider, company, transaction value, and role — or ask Trabud's AI agent in plain English.
Open the screener