Cloudflare, Inc. (NET) has 255 open-market insider trades by 20 insiders since 2002. The most active filer is Thomas J. Seifert, CFO.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Matthew Prince | CEOChairman10% Owner | — | 43 | $501.3M | 2026-08-15 |
| Venrock Management V, LLC | 10% Owner | — | 1 | $288.9M | 2020-11-18 |
| Michelle Zatlyn | ChairmanPres | — | 44 | $281.3M | 2026-10-07 |
| Scott D. Sandell | Dir | — | 11 | $222.1M | 2026-06-30 |
| Forest Baskett | 10% Owner | — | 6 | $126.8M | 2020-11-11 |
| Thomas J. Seifert | CFO | — | 63 | $114.4M | 2026-09-17 |
| Blake G. Modersitzki | 10% Owner | — | 2 | $109.6M | 2020-06-08 |
| VEF Management V, LLC | 10% Owner | — | 1 | $100.0M | 2020-04-20 |
| Pelion Ventures V, L.P. | 10% Owner | — | 1 | $90.4M | 2020-06-16 |
| Venrock Entrepreneurs Fund V, L.P. | 10% Owner | — | 1 | $88.5M | 2020-05-15 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Michelle Zatlyn | Chairman & President | Sell | $35.2M | 2026-10-05 |
| Carl Ledbetter | Director | Sell | $1.8M | 2026-09-22 |
| Thomas J. Seifert | CFO | Sell | $3.3M | 2026-09-17 |
| Carl Ledbetter | Director | Sell | $1.6M | 2026-09-14 |
| Michelle Zatlyn | Chairman & President | Sell | $27.7M | 2026-09-03 |
| Michelle Zatlyn | Chairman & President | Sell | $28.3M |
Companies that share insiders with NET, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| 2026-08-19 |
| Alissa Michelle Starzak | CLO | Sell | $1.8M | 2026-08-17 |
| Thomas J. Seifert | CFO | Sell | $3.1M | 2026-08-17 |
| Janel Riley | CAO | Sell | $1.6M | 2026-08-17 |
| John Graham-Cumming | Director | Sell | $766K | 2026-08-10 |
| Carl Ledbetter | Director | Sell | $1.4M | 2026-08-06 |
| Matthew Prince | CEO & Chairman +1 | Sell | $10.0M | 2026-08-05 |
| Matthew Prince | CEO & Chairman +1 | Sell | $15.2M | 2026-08-04 |
| Thomas J. Seifert | CFO | Sell | $16.5M | 2026-08-04 |
| Matthew Prince | CEO & Chairman +1 | Sell | $6.0M | 2026-08-04 |