InsiderSource
NET

Cloudflare, Inc.

SEC CIK 1477333
$227.44 +33.5% · 90 days
90-day buys
$0
0 open-market
90-day sells
$124.2M
134 open-market
Net insider flow
−$124.2M
Net selling
Filings shown
159
Most recent
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At a glance

Over the last 90 days, insiders at NET have sold a net $124.2M of stock (0 open-market buys vs 134 sells).

Largest recent trade: Ledbetter Carl sold $3.57M of NET, trimming their stake 2%.

Most active filer: Prince Matthew, with 60 transactions among the recent filings shown.

Insider transaction history

Form 4 filings for NET, newest first
View on SEC EDGAR ↗
NET
Cloudflare, Inc.
Sell Prince Matthew · Director, CEO & Board Co-Chair, 10% Owner · Open-market sale · filed 3w ago ΔOwn −15%

Prince Matthew sold $1.26M of NET, trimming their stake 15%.

−$1.26M
6,127 sh @ $206
NET
Cloudflare, Inc.
Sell Prince Matthew · Director, CEO & Board Co-Chair, 10% Owner · Open-market sale · filed 3w ago ΔOwn −19%

Prince Matthew sold $1.34M of NET, trimming their stake 19%.

−$1.34M
6,485 sh @ $207
NET
Cloudflare, Inc.
Sell Prince Matthew · Director, CEO & Board Co-Chair, 10% Owner · Open-market sale · filed 3w ago ΔOwn −7.3%

Prince Matthew sold $420.4K of NET, trimming their stake 7%.

−$420.4K
2,023 sh @ $208
NET
Cloudflare, Inc.
Sell SEIFERT THOMAS J · Chief Financial Officer · Open-market sale · filed 3w ago

Seifert Thomas J sold $19.3K of NET.

−$19.3K
100 sh @ $193
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NET
Cloudflare, Inc.
Sell SEIFERT THOMAS J · Chief Financial Officer · Open-market sale · filed 3w ago ΔOwn −0.1%

Seifert Thomas J sold $58.5K of NET.

−$58.5K
300 sh @ $195
NET
Cloudflare, Inc.
Sell SEIFERT THOMAS J · Chief Financial Officer · Open-market sale · filed 3w ago ΔOwn −0.2%

Seifert Thomas J sold $79.1K of NET.

−$79.1K
400 sh @ $198
NET
Cloudflare, Inc.
Sell SEIFERT THOMAS J · Chief Financial Officer · Open-market sale · filed 3w ago ΔOwn −0.4%

Seifert Thomas J sold $184.7K of NET.

−$184.7K
928 sh @ $199
NET
Cloudflare, Inc.
Sell SEIFERT THOMAS J · Chief Financial Officer · Open-market sale · filed 3w ago ΔOwn −1.1%

Seifert Thomas J sold $486.9K of NET, trimming their stake 1%.

−$486.9K
2,432 sh @ $200
NET
Cloudflare, Inc.
Sell SEIFERT THOMAS J · Chief Financial Officer · Open-market sale · filed 3w ago ΔOwn −1.6%

Seifert Thomas J sold $718.3K of NET, trimming their stake 2%.

−$718.3K
3,570 sh @ $201
NET
Cloudflare, Inc.
Sell SEIFERT THOMAS J · Chief Financial Officer · Open-market sale · filed 3w ago ΔOwn −0.9%

Seifert Thomas J sold $404.3K of NET, trimming their stake 1%.

−$404.3K
2,000 sh @ $202
NET
Cloudflare, Inc.
Sell SEIFERT THOMAS J · Chief Financial Officer · Open-market sale · filed 3w ago ΔOwn −0.1%

Seifert Thomas J sold $54.8K of NET.

−$54.8K
270 sh @ $203
NET
Cloudflare, Inc.
Sell Riley Janel · Chief Accounting Officer · Open-market sale · filed 3w ago ΔOwn −6.6%

Riley Janel sold $672.9K of NET, trimming their stake 7%.

−$672.9K
3,481 sh @ $193
NET
Cloudflare, Inc.
Option exercise Riley Janel · Chief Accounting Officer · Option exercise · filed 3w ago ΔOwn +5.9%
+$225.9K
3,333 sh @ $68
NET
Cloudflare, Inc.
Tax withholding Riley Janel · Chief Accounting Officer · Tax withholding · filed 3w ago ΔOwn −6.9%
−$826K
4,134 sh @ $200
NET
Cloudflare, Inc.
Sell Riley Janel · Chief Accounting Officer · Open-market sale · filed 3w ago ΔOwn −6.0%

Riley Janel sold $656.4K of NET, trimming their stake 6%.

−$656.4K
3,333 sh @ $197
NET
Cloudflare, Inc.
Tax withholding Zatlyn Michelle · Director, President and Board Co-Chair · Tax withholding · filed 3w ago ΔOwn −6.0%
−$4.63M
23,158 sh @ $200
NET
Cloudflare, Inc.
Tax withholding Prince Matthew · Director, CEO & Board Co-Chair, 10% Owner · Tax withholding · filed 3w ago ΔOwn −5.2%
−$3.99M
19,958 sh @ $200
NET
Cloudflare, Inc.
Sell Ledbetter Carl · Director · Open-market sale · filed May 5, 2026 ΔOwn −1.6%

Ledbetter Carl sold $3.57M of NET, trimming their stake 2%.

−$3.57M
15,000 sh @ $238
NET
Cloudflare, Inc.
Sell Graham-Cumming John · Director · Open-market sale · filed May 5, 2026 ΔOwn −0.1%

Graham-cumming John sold $78.8K of NET.

−$78.8K
360 sh @ $219
NET
Cloudflare, Inc.
Sell Graham-Cumming John · Director · Open-market sale · filed May 5, 2026 ΔOwn −0.1%

Graham-cumming John sold $79.6K of NET.

−$79.6K
360 sh @ $221
NET
Cloudflare, Inc.
Sell Graham-Cumming John · Director · Open-market sale · filed May 5, 2026 ΔOwn −0.1%

Graham-cumming John sold $134K of NET.

−$134K
603 sh @ $222
NET
Cloudflare, Inc.
Sell Graham-Cumming John · Director · Open-market sale · filed May 5, 2026 ΔOwn −0.2%

Graham-cumming John sold $190K of NET.

−$190K
852 sh @ $223
NET
Cloudflare, Inc.
Sell Ledbetter Carl · Director · Open-market sale · filed May 4, 2026 ΔOwn −0.5%

Ledbetter Carl sold $1.08M of NET, trimming their stake 1%.

−$1.08M
5,009 sh @ $216
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About NET insider activity

This page tracks every recent Form 4 filed for Cloudflare, Inc. with the U.S. Securities and Exchange Commission. Form 4 is the disclosure that company insiders — officers, directors, and holders of more than 10% of the stock — must file within two business days of buying or selling shares.

The summary above nets open-market purchases against open-market sales over the trailing 90 days. Open-market trades (codes P and S) tend to carry the most signal because they reflect a deliberate choice to put money in or take it out, as opposed to routine grants, option exercises, or tax-withholding events. Use the badges on each row to tell them apart, and always confirm details against the original filing before drawing conclusions.

Frequently asked questions

How often is NET insider data updated?

Continuously. We read from SEC EDGAR, so new Form 4 filings for Cloudflare, Inc. usually appear here within minutes of being accepted by the SEC.

What does "net insider flow" mean?

It is the total dollar value of open-market insider purchases minus open-market sales over the last 90 days. A positive number (green) means insiders bought more than they sold; a negative number (red) means the reverse.

Why do some rows show grants or option exercises instead of buys?

Insiders receive stock through compensation as well as buying it outright. Form 4 captures all of these. We label each transaction by its SEC code so you can focus on open-market activity if you prefer.

Is this investment advice?

No. InsiderSource presents public filing data for informational purposes only. Insider activity is one of many factors to consider and is never a recommendation to buy or sell.