18915MAC1

Cloudflare, Inc.

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A company that keeps websites fast, safe, and online by acting as a "firewall in the cloud" — routing traffic through its global network to fend off cyberattacks and speed up loading for millions of sites. Co-founders Matthew Prince, Michelle Zatlyn, and Lee Holloway launched it in 2009, building on their earlier Project Honey Pot, which tracked how spammers harvested email addresses. The name came from a friend's suggestion for a "firewall in the cloud," fitting a service that shields and accelerates internet traffic.

CONVERTIBLEUnderlying: NETCUSIP: 18915MAC1TechnologyUS1 derivative reporter

0% Convertible Senior Notes due 2026

Ownership Activity Financials Filings

Insiders

Ranked by how much each holding moved in the last 6 months

Insider

Prince MatthewCEO & Board Co-Chair, Director, 10% owner · 132 transactions

66.82M-1%

Sold 628.6K

Zatlyn MichellePresident and Board Co-Chair, Director · 110 transactions

13.27M-0.9%

Sold 416.1K

Seifert Thomas JChief Financial Officer · 36 transactions

1.54M—

Sold 40.3K

Ledbetter CarlDirector · 9 transactions

920.2K-5.7%

Sold 60.0K

Graham-Cumming JohnDirector · 30 transactions

494.1K-0.5%

Granted 10.1K · Sold 11.2K

Starzak Alissa MichelleChief Legal Officer · 8 transactions

134.6K—

Granted 73.3K · Sold 16.2K

Riley JanelChief Accounting Officer · 7 transactions

49.2K-19.3%

Granted 26.7K · Sold 34.3K

Suder KatrinDirector · 1 transaction

37.4K-0.8%

Sold 293

Hawkins Mark JDirector · 4 transactions

10.1K-5%

Sold 532

Insider	Stake change	Holds now	Granted / vested	Bought	Sold
Prince MatthewCEO & Board Co-Chair, Director, 10% owner · 132 transactions	-1%	66.82M	—	—	628.6K
Zatlyn MichellePresident and Board Co-Chair, Director · 110 transactions	-0.9%	13.27M	—	—	416.1K
Seifert Thomas JChief Financial Officer · 36 transactions	—	1.54M	—	—	40.3K
Ledbetter CarlDirector · 9 transactions	-5.7%	920.2K	—	—	60.0K
Graham-Cumming JohnDirector · 30 transactions	-0.5%	494.1K	10.1K	—	11.2K
Starzak Alissa MichelleChief Legal Officer · 8 transactions	—	134.6K	73.3K	—	16.2K
Riley JanelChief Accounting Officer · 7 transactions	-19.3%	49.2K	26.7K	—	34.3K
Suder KatrinDirector · 1 transaction	-0.8%	37.4K	—	—	293
Hawkins Mark JDirector · 4 transactions	-5%	10.1K	—	—	532

Select a row to see that insider’s individual transactions. Sum of the holdings confirmed in the 12 months before this insider's last filing. A Form 4 reports a holding per line — held directly, or through a named trust, partnership or foundation, and in each share class separately — never a person’s total. Lines not restated in that time are left out and shown apart: an active filer restates what they still hold, so a line they did not restate is more often an entity since renamed, whose shares a successor line reports too. An amber marker means some were left out.