Form 4 Tracker
Cloudflare, Inc.
NET

93 insider filings · Latest: Oct 5, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Feb 24, 2026Feb 27 2:04 AMMatthew PrinceDirector, CEO & Board Co-Chair, 10% Owner
Sale
52,384$164.15$8.6M22,911(I)

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Feb 20, 2026Feb 25 12:47 AMThomas J SeifertChief Financial Officer
Sale
41,557$185.04$7.7M85,452(D)

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Feb 23, 2026Feb 24 1:29 AMMichelle ZatlynDirector, President and Board Co-Chair
Sale
25,641$172.76$4.4M34,514(I)

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Feb 20, 2026Feb 24 1:29 AMMichelle ZatlynDirector, President and Board Co-Chair
Sale
25,641$192.66$4.9M34,514(I)

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Feb 19, 2026Feb 24 1:29 AMMichelle ZatlynDirector, President and Board Co-Chair
Sale
35,080$187.39$6.6M34,514(I)

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Feb 20, 2026Feb 20 9:28 PMTHOMAS SEIFERT
Proposed Sale
41,557$192.64$8.0M—

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Feb 19, 2026Feb 19 10:28 PMMichelle Zatlyn
Proposed Sale
240,208$192.64$46.3M—

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Feb 9, 2026Feb 11 9:56 PMJohn Graham-CummingDirector
Sale
2,520$173.35$436.8K495,191(D)

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Feb 2, 2026Feb 3 9:22 PMMark J HawkinsDirector
Sale
134$176.19$23.6K10,588(D)

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Feb 2, 2026Feb 3 9:20 PMDouglas James KramerCHIEF LEGAL OFFICER
Sale
3,000$176.19$528.6K101,101(D)

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Feb 2, 2026Feb 2 9:04 PMDOUGLAS KRAMER
Proposed Sale
3,000$176.19$528.6K—

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Feb 2, 2026Feb 2 9:02 PMMARK HAWKINS
Proposed Sale
134$176.19$23.6K—

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Jan 27, 2026Jan 28 9:29 PMCarl LedbetterDirector
Sale
15,000$211.16$3.2M953,073(I)

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Jan 27, 2026Jan 27 9:03 PMLedbetter Carl
Proposed Sale
60,000$211.16$12.7M—

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Jan 20, 2026Jan 21 10:13 PMThomas J SeifertChief Financial Officer
Sale
10,000$178.37$1.8M137,486(D)

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Jan 20, 2026Jan 20 9:34 PMTHOMAS SEIFERT
Proposed Sale
10,000$184.17$1.8M—

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Jan 2, 2026Jan 2 9:07 PMDOUGLAS KRAMER
Proposed Sale
9,000$198.54$1.8M—

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Jan 2, 2026Jan 2 9:03 PMMARK HAWKINS
Proposed Sale
134$198.90$26.7K—

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Dec 22, 2025Dec 22 9:25 PMTHOMAS SEIFERT
Proposed Sale
10,000$195.68$2.0M—

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Dec 22, 2025Dec 22 9:02 PMKATRIN SUSANNE SUDER
Proposed Sale
2,031$200.00$406.2K—

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Jul 17, 2026Jul 17 11:01 PMThomas J SeifertChief Financial Officer
Option Exercise
10,000—18,925(D)

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Jul 17, 2026Jul 17 11:01 PMThomas J SeifertChief Financial Officer
Conversion
10,000—8,925(D)

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Jul 17, 2026Jul 17 11:01 PMThomas J SeifertChief Financial Officer
Option Exercise
10,000$2.0420,000(D)

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Jul 15, 2026Jul 15 10:59 PMMichelle ZatlynDirector, President and Board Co-Chair
Option Exercise
33,003—33,003(D)

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Jul 15, 2026Jul 15 10:59 PMMichelle ZatlynDirector, President and Board Co-Chair
Option Exercise
33,003$2.041,188,108(D)

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Jul 15, 2026Jul 15 10:59 PMMichelle ZatlynDirector, President and Board Co-Chair
Conversion
33,003—0(D)

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Jul 14, 2026Jul 15 10:59 PMMichelle ZatlynDirector, President and Board Co-Chair
Option Exercise
33,003—33,003(D)

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Jul 14, 2026Jul 15 10:59 PMMichelle ZatlynDirector, President and Board Co-Chair
Conversion
33,003—0(D)

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Jul 14, 2026Jul 15 10:59 PMMichelle ZatlynDirector, President and Board Co-Chair
Option Exercise
33,003$2.041,221,111(D)

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Jul 13, 2026Jul 15 10:59 PMMichelle ZatlynDirector, President and Board Co-Chair
Option Exercise
33,058$2.041,254,114(D)

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Jul 13, 2026Jul 15 10:59 PMMichelle ZatlynDirector, President and Board Co-Chair
Conversion
33,058—0(D)

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Jul 13, 2026Jul 15 10:59 PMMichelle ZatlynDirector, President and Board Co-Chair
Option Exercise
33,058—33,058(D)

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Jul 6, 2026Jul 7 10:38 PMJohn Graham-CummingDirector
Option Exercise
2,520$44.722,520(D)

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Jul 6, 2026Jul 6 11:01 PMMatthew PrinceDirector, CEO & Board Co-Chair, 10% Owner
Conversion
52,383—2,850,932(I)

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Jul 2, 2026Jul 6 11:01 PMMatthew PrinceDirector, CEO & Board Co-Chair, 10% Owner
Conversion
33,631—2,884,563(I)

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Jul 2, 2026Jul 6 11:00 PMMatthew PrinceDirector, CEO & Board Co-Chair, 10% Owner
Conversion
18,752—4,258,628(I)

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Jul 1, 2026Jul 6 11:00 PMMatthew PrinceDirector, CEO & Board Co-Chair, 10% Owner
Conversion
52,422—2,918,194(I)

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Jun 24, 2026Jun 24 11:40 PMMatthew PrinceDirector, CEO & Board Co-Chair, 10% Owner
Conversion
52,384—4,296,167(I)

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Jun 23, 2026Jun 24 11:38 PMMatthew PrinceDirector, CEO & Board Co-Chair, 10% Owner
Conversion
52,384—4,348,551(I)

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Jun 22, 2026Jun 24 11:38 PMMatthew PrinceDirector, CEO & Board Co-Chair, 10% Owner
Conversion
26,834—4,400,935(I)

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