🕵️ F5, Inc. ($FFIV)
SEC insider & ownership activity, last 12 months · CIK 1048695 · every row links its SEC filing
Over the last 12 months insiders sold $29.5M with no open-market buying against it. Thomas Fountain sold $7.1M through a 10b5-1 trading plan in 19 lots (Nov–Aug). One red-flag 8-K in the window: Cyber incident (1.05), Oct 15, 2025.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 13 sellers, $29.5M (98 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Thomas Fountain | 0 | – | 19 | $7.1M | Aug 5, 2026 |
| Francois Locoh-Donou | 0 | – | 28 | $6.0M | Aug 5, 2026 |
| Chad Whalen | 0 | – | 9 | $5.2M | Aug 3, 2026 |
| Werner Edward Cooper | 0 | – | 10 | $2.5M | Aug 3, 2026 |
| Michael F. Montoya | 0 | – | 7 | $1.8M | Sep 14, 2026 |
| Mehta Nikhil Ramesh | 0 | – | 6 | $1.6M | Jul 30, 2026 |
| Kunal Anand | 0 | – | 3 | $1.3M | Aug 3, 2026 |
| John Maddison | 0 | – | 4 | $1.1M | Sep 14, 2026 |
| Michael L. Dreyer | 0 | – | 1 | $866K | Feb 20, 2026 |
| Alan J. Higginson | 0 | – | 2 | $798K | Feb 19, 2026 |
| Angelique Okeke | 0 | – | 3 | $587K | Aug 3, 2026 |
| Buse Elizabeth | 0 | – | 4 | $399K | Jun 10, 2026 |
| Lyra Schramm | 0 | – | 2 | $318K | Feb 3, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Vanguard Capital Management | 7.5% | 13G | Apr 29, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Michael Montoya | $1.8M | Sep 14, 2026 | filing ↗ |
| John Maddison | $84K | Sep 14, 2026 | filing ↗ |
| Francois Locoh-Donou | $1.6M | Aug 5, 2026 | filing ↗ |
| Thomas Fountain | $498K | Aug 5, 2026 | filing ↗ |
| Angelique Okeke | $34K | Aug 3, 2026 | filing ↗ |
| Edward Werner | $241K | Aug 3, 2026 | filing ↗ |
| Chad Whalen | $283K | Aug 3, 2026 | filing ↗ |
| Kunal Anand | $158K | Aug 3, 2026 | filing ↗ |
| John Maddison | $403K | Aug 3, 2026 | filing ↗ |
| Nikhil Ramesh Mehta | $1.6M | Jul 30, 2026 | filing ↗ |
| Elizabeth Buse | $391K | Jun 10, 2026 | filing ↗ |
| Edward Werner | $989K | Jun 2, 2026 | filing ↗ |
| Michael L. Dreyer | $496K | May 28, 2026 | filing ↗ |
| Alan J. Higginson | $362K | May 27, 2026 | filing ↗ |
| Edward Werner | $518K | May 8, 2026 | filing ↗ |
| Chad Whalen | $2.1M | May 8, 2026 | filing ↗ |
| Francois Locoh-Donou | $1.2M | May 5, 2026 | filing ↗ |
| Thomas Fountain | $438K | May 5, 2026 | filing ↗ |
| John Maddison | $323K | May 4, 2026 | filing ↗ |
| Kunal Anand | $1.0M | May 4, 2026 | filing ↗ |
| Angelique Okeke | $272K | May 4, 2026 | filing ↗ |
| Edward C. Werner | $194K | May 4, 2026 | filing ↗ |
| Chad Whalen | $228K | May 4, 2026 | filing ↗ |
| Edward C. Werner | $289K | Mar 25, 2026 | filing ↗ |
| Francois Locoh-Donou | $964K | Mar 25, 2026 | filing ↗ |
| Chad Whalen | $195K | Mar 6, 2026 | filing ↗ |
| Francois Locoh-Donou | $1.1M | Mar 4, 2026 | filing ↗ |
| Edward C. Werner | $273K | Mar 4, 2026 | filing ↗ |
| Lyra Schramm | $49K | Mar 2, 2026 | filing ↗ |
| Michael L. Dreyer | $865K | Feb 20, 2026 | filing ↗ |
| Alan J. Higginson | $487K | Feb 19, 2026 | filing ↗ |
| Kunal Anand | $105K | Feb 10, 2026 | filing ↗ |
| Thomas Fountain | $362K | Feb 10, 2026 | filing ↗ |
| Angelique Okeke | $108K | Feb 10, 2026 | filing ↗ |
| John Maddison | $279K | Feb 10, 2026 | filing ↗ |
| Lyra Schramm | $56K | Feb 3, 2026 | filing ↗ |
| Thomas D. Fountain | $875K | Jan 26, 2026 | filing ↗ |
| Thomas D. Fountain | $292K | Jan 20, 2026 | filing ↗ |
| Thomas D. Fountain | $294K | Jan 12, 2026 | filing ↗ |
| Thomas D. Fountain | $293K | Jan 5, 2026 | filing ↗ |
| Thomas D. Fountain | $289K | Dec 29, 2025 | filing ↗ |
| Thomas D. Fountain | $286K | Dec 22, 2025 | filing ↗ |
| Thomas D. Fountain | $294K | Dec 15, 2025 | filing ↗ |
| Thomas D. Fountain | $276K | Dec 8, 2025 | filing ↗ |
| Francois Locoh-Donou | $308K | Dec 1, 2025 | filing ↗ |
| Thomas D. Fountain | $263K | Dec 1, 2025 | filing ↗ |
| Thomas D. Fountain | $261K | Nov 24, 2025 | filing ↗ |
| Thomas D. Fountain | $252K | Nov 18, 2025 | filing ↗ |
| Lyra Schramm | $262K | Nov 4, 2025 | filing ↗ |
| Thomas D. Fountain | $2.1M | Nov 3, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Jul 27, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 27, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jun 17, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 17, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 17, 2026 | filing ↗ |
| Earnings (2.02) | Apr 28, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 28, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 24, 2026 | filing ↗ |
| Other events (8.01) | Apr 24, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 24, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 12, 2026 | filing ↗ |
| Shareholder vote (5.07) | Mar 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 12, 2026 | filing ↗ |
| Earnings (2.02) | Jan 27, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 27, 2026 | filing ↗ |
| Earnings (2.02) | Oct 24, 2025 | filing ↗ |
| Officer/director changes (5.02) | Oct 24, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 24, 2025 | filing ↗ |
| Cyber incident (1.05) | Oct 15, 2025 | filing ↗ |
| Officer/director changes (5.02) | Oct 15, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Oct 15, 2025 | filing ↗ |