Cloudflare, Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for Cloudflare, Inc. (NET), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
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
Are NET insiders buying or selling?
In the last 12 months, Cloudflare, Inc. insiders reported 0 open-market purchases ($0) and 90 sales ($700.0M) — net selling of $700.0M. Since February 2020, Trabud has recorded 558 Form 4 filings for NET: 1 buys ($941.6K) and 557 sells ($3.4B).
Source: SEC EDGAR Form 4
What stands out
- No Cloudflare, Inc. insider made an open-market purchase in the last 12 months; the 90 reported open-market sales totaled $700.0M.
Key Statistics (February 2020 – Oct 8, 2026)
Total Form 4 filings
558
SEC EDGAR
Insider filers
19
Insider buys (1)
$941.6K
Insider sells (557)
$3.4B
Insider sentiment
Net sellingNet insider flow of $3.4B in net selling since February 2020, and $700.0M in net selling over the last 12 months.
Recent NET insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Oct 8, 2026 | Michelle Zatlyn | President and Board Co-Chair | Sale | 99.0K | $355.88 | $35.2M | SEC ↗ |
| Sep 23, 2026 | Carl Ledbetter | Director | Sale | 5.0K | $353.15 | $1.8M | SEC ↗ |
| Sep 21, 2026 | Thomas J Seifert | Chief Financial Officer | Sale | 10.0K | $332.46 | $3.3M | SEC ↗ |
| Sep 15, 2026 | Carl Ledbetter | Director | Sale | 5.0K | $312.22 | $1.6M | SEC ↗ |
| Sep 9, 2026 | Michelle Zatlyn | PRESIDENT & BOARD CO-CHAIR | Sale | 99.0K | $279.34 | $27.7M | SEC ↗ |
| Aug 21, 2026 | Michelle Zatlyn | President and Board Co-Chair | Sale | 99.0K | $285.71 | $28.3M | SEC ↗ |
| Aug 19, 2026 | Alissa Michelle Starzak | Chief Legal Officer | Sale | 5.9K | $307.79 | $1.8M | SEC ↗ |
| Aug 19, 2026 | Janel Riley | Chief Accounting Officer | Sale | 5.1K | $306.91 | $1.6M | SEC ↗ |
| Aug 19, 2026 | Thomas J Seifert | Chief Financial Officer | Sale | 10.0K | $307.32 | $3.1M | SEC ↗ |
| Aug 11, 2026 | John Graham-Cumming | Director | Sale | 2.5K | $303.97 | $766.0K | SEC ↗ |
| Aug 6, 2026 | Thomas J Seifert | Chief Financial Officer | Sale | 55.0K | $300.30 | $16.5M | SEC ↗ |
| Aug 6, 2026 | Carl Ledbetter | Director | Sale | 5.0K | $281.98 | $1.4M | SEC ↗ |
| Aug 5, 2026 | Matthew Prince | CEO & Board Co-Chair | Sale | 33.6K | $296.10 | $10.0M | SEC ↗ |
| Aug 5, 2026 | Matthew Prince | CEO & Board Co-Chair | Sale | 51.0K | $297.58 | $15.2M | SEC ↗ |
| Aug 5, 2026 | Matthew Prince | CEO & Board Co-Chair | Sale | 20.1K | $296.89 | $6.0M | SEC ↗ |
| Aug 5, 2026 | Matthew Prince | CEO & Board Co-Chair | Sale | 52.4K | $283.42 | $14.8M | SEC ↗ |
| Aug 4, 2026 | Mark J Hawkins | Director | Sale | 133 | $277.74 | $36.9K | SEC ↗ |
| Jul 17, 2026 | Thomas J Seifert | Chief Financial Officer | Sale | 10.0K | $276.92 | $2.8M | SEC ↗ |
| Jul 15, 2026 | Michelle Zatlyn | President and Board Co-Chair | Sale | 99.1K | $276.78 | $27.4M | SEC ↗ |
| Jul 8, 2026 | Carl Ledbetter | Director | Sale | 5.0K | $268.11 | $1.3M | SEC ↗ |
| Jul 7, 2026 | John Graham-Cumming | Director | Sale | 2.5K | $247.28 | $623.2K | SEC ↗ |
| Jul 6, 2026 | Matthew Prince | CEO & Board Co-Chair | Sale | 86.0K | $245.31 | $21.1M | SEC ↗ |
| Jul 6, 2026 | Matthew Prince | CEO & Board Co-Chair | Sale | 71.2K | $247.28 | $17.6M | SEC ↗ |
| Jul 2, 2026 | Mark J Hawkins | Director | Sale | 133 | $249.00 | $33.1K | SEC ↗ |
| Jun 24, 2026 | Matthew Prince | CEO & Board Co-Chair | Sale | 52.4K | $224.30 | $11.7M | SEC ↗ |
Showing the 25 most recent of 558 Form 4 filings for Cloudflare, Inc..
Most active NET insiders
- Thomas J Seifert131 filings
- Matthew Prince91 filings
- Michelle Zatlyn84 filings
- Carl Ledbetter81 filings
- Douglas James Kramer70 filings
Ask anything about NET insider activity
Use Trabud's AI agent to query Cloudflare, Inc.'s Form 4 history in plain English — "Show me NET CEO purchases this year" or compare it against any other ticker.
Open the AI agentNET insider trading FAQ
Are Cloudflare, Inc. insiders buying or selling?
In the last 12 months, Cloudflare, Inc. insiders reported 0 open-market purchases ($0) and 90 sales ($700.0M) — net selling of $700.0M. Since February 2020, Trabud has recorded 558 Form 4 filings for NET: 1 buys ($941.6K) and 557 sells ($3.4B). Over the full record that is net selling of $3.4B.
How many insiders trade NET stock?
19 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for Cloudflare, Inc.. The most recent filing was accepted on Oct 8, 2026.
Where does Trabud get NET insider trading data?
All NET insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.