🕵️ Cloudflare, Inc. ($NET)
SEC insider & ownership activity, last 12 months · CIK 1477333 · every row links its SEC filing
Over the last 12 months insiders sold $703.8M with no open-market buying against it. Prince Matthew sold $393.4M through a 10b5-1 trading plan in 332 lots (Aug–Jul). 2 planned sales are pending, the largest $3.9M (Douglas Kramer). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 10 sellers, $703.8M (794 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Prince Matthew | 0 | – | 332 | $393.4M | Jul 6, 2026 |
| Zatlyn Michelle | 0 | – | 195 | $206.3M | Jul 15, 2026 |
| Thomas Seifert | 0 | – | 102 | $43.2M | Jul 17, 2026 |
| Ledbetter Carl | 0 | – | 33 | $34.0M | Jul 7, 2026 |
| Graham-Cumming John | 0 | – | 81 | $7.7M | Jul 6, 2026 |
| Riley Janel | 0 | – | 11 | $7.2M | May 18, 2026 |
| Douglas Kramer | 0 | – | 21 | $6.8M | Feb 2, 2026 |
| Alissa M Starzak | 0 | – | 5 | $3.5M | May 28, 2026 |
| Mark J. Hawkins | 0 | – | 11 | $890K | Jul 1, 2026 |
| Suder Katrin | 0 | – | 3 | $879K | Jun 8, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Matthew Prince | 7.7% | 13G | Feb 13, 2026 | filing ↗ | |
| Capital World Investors | 7.3% | 13G | May 14, 2026 | filing ↗ | |
| Morgan Stanley | 5.3% | 13G | Feb 12, 2026 | filing ↗ | |
| Vanguard Capital Management | 5.2% | 13G | Apr 29, 2026 | filing ↗ | |
| Vanguard Portfolio Management | 5.1% | 13G | Apr 29, 2026 | filing ↗ | |
| Baillie Gifford & Co | exited | Class A | 13G | Jul 24, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Thomas Seifert | $2.7M | Jul 17, 2026 | filing ↗ |
| Michelle Zatlyn | $80.1M | Jul 13, 2026 | filing ↗ |
| Ledbetter Carl | $4.0M | Jul 7, 2026 | filing ↗ |
| John Graham-Cumming | $1.2M | Jul 6, 2026 | filing ↗ |
| Matthew Prince | $116.1M | Jul 1, 2026 | filing ↗ |
| Mark Hawkins | $33K | Jul 1, 2026 | filing ↗ |
| Matthew Prince | $34.3M | Jun 22, 2026 | filing ↗ |
| Thomas Seifert | $2.3M | Jun 17, 2026 | filing ↗ |
| Katrin Susanne Suder | $74K | Jun 8, 2026 | filing ↗ |
| Mark Hawkins | $33K | Jun 1, 2026 | filing ↗ |
| Alissa M Starzak | $3.5M | May 28, 2026 | filing ↗ |
| Douglas Kramer | $3.9M | May 26, 2026 | filing ↗ |
| Michelle Zatlyn | $35.3M | May 22, 2026 | filing ↗ |
| Douglas Kramer | $1.2M | May 18, 2026 | filing ↗ |
| Thomas Seifert | $2.0M | May 18, 2026 | filing ↗ |
| Kramer Douglas James | $1.2M | May 11, 2026 | filing ↗ |
| Mark Hawkins | $28K | May 1, 2026 | filing ↗ |
| Ledbetter Carl | $9.7M | Apr 28, 2026 | filing ↗ |
| Thomas Seifert | $2.0M | Apr 17, 2026 | filing ↗ |
| Mark Hawkins | $28K | Apr 1, 2026 | filing ↗ |
| John Graham-Cumming | $1.8M | Mar 27, 2026 | filing ↗ |
| Thomas Seifert | $2.1M | Mar 17, 2026 | filing ↗ |
| Matthew Prince | $97.7M | Mar 16, 2026 | filing ↗ |
| Mark Hawkins | $22K | Mar 2, 2026 | filing ↗ |
| Thomas Seifert | $8.0M | Feb 20, 2026 | filing ↗ |
| Michelle Zatlyn | $46.3M | Feb 19, 2026 | filing ↗ |
| Douglas Kramer | $529K | Feb 2, 2026 | filing ↗ |
| Mark Hawkins | $24K | Feb 2, 2026 | filing ↗ |
| Ledbetter Carl | $12.7M | Jan 27, 2026 | filing ↗ |
| Thomas Seifert | $1.8M | Jan 20, 2026 | filing ↗ |
| Douglas Kramer | $1.8M | Jan 2, 2026 | filing ↗ |
| Mark Hawkins | $27K | Jan 2, 2026 | filing ↗ |
| Thomas Seifert | $2.0M | Dec 22, 2025 | filing ↗ |
| Katrin Susanne Suder | $406K | Dec 22, 2025 | filing ↗ |
| John Graham-Cumming | $2.0M | Dec 15, 2025 | filing ↗ |
| Matthew Prince | $96.3M | Dec 3, 2025 | filing ↗ |
| Douglas Kramer | $591K | Dec 1, 2025 | filing ↗ |
| Mark Hawkins | $26K | Dec 1, 2025 | filing ↗ |
| Michelle Zatlyn | $46.0M | Nov 20, 2025 | filing ↗ |
| Thomas Seifert | $8.2M | Nov 20, 2025 | filing ↗ |
| Katrin Susanne Suder | $399K | Nov 19, 2025 | filing ↗ |
| Mark Hawkins | $254K | Nov 3, 2025 | filing ↗ |
| Douglas Kramer | $767K | Nov 3, 2025 | filing ↗ |
| Ledbetter Carl | $8.7M | Oct 20, 2025 | filing ↗ |
| Thomas Seifert | $2.1M | Oct 20, 2025 | filing ↗ |
| Douglas Kramer | $1.9M | Oct 1, 2025 | filing ↗ |
| Mark Hawkins | $213K | Oct 1, 2025 | filing ↗ |
| Thomas Seifert | $2.3M | Sep 22, 2025 | filing ↗ |
| Matthew Prince | $103.0M | Sep 9, 2025 | filing ↗ |
| John Graham-Cumming | $3.2M | Sep 2, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Officer/director changes (5.02) | Jun 30, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 30, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jun 30, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 30, 2026 | filing ↗ |
| Earnings (2.02) | May 7, 2026 | filing ↗ |
| Exit or disposal costs (2.05) | May 7, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 7, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 7, 2026 | filing ↗ |
| Earnings (2.02) | May 7, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 7, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 7, 2026 | filing ↗ |
| Earnings (2.02) | Feb 10, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 10, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 10, 2026 | filing ↗ |
| Officer/director changes (5.02) | Feb 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 6, 2026 | filing ↗ |
| Earnings (2.02) | Oct 30, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Oct 30, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 30, 2025 | filing ↗ |
| Earnings (2.02) | Jul 31, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 31, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 31, 2025 | filing ↗ |