Form 4 Tracker
Cloudflare, Inc.
NET

93 insider filings · Latest: Oct 5, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Oct 7, 2026Oct 8 12:33 AMMichelle ZatlynDirector, President and Board Co-Chair
Sale
33,003$348.29$11.5M69,775(I)

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Oct 6, 2026Oct 8 12:33 AMMichelle ZatlynDirector, President and Board Co-Chair
Sale
33,003$366.76$12.1M69,775(I)

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Oct 5, 2026Oct 8 12:33 AMMichelle ZatlynDirector, President and Board Co-Chair
Sale
33,003$352.60$11.6M69,775(I)

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Oct 5, 2026Oct 5 10:28 PMMichelle Zatlyn
Proposed Sale
297,027$359.49$106.8M—

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Sep 22, 2026Sep 23 9:14 PMCarl LedbetterDirector
Sale
5,000$353.15$1.8M873,073(I)

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Sep 22, 2026Sep 22 8:01 PMLedbetter Carl
Proposed Sale
25,000$353.15$8.8M—

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Sep 17, 2026Sep 21 8:50 PMThomas J SeifertChief Financial Officer
Sale
10,000$332.46$3.3M107,902(D)

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Sep 17, 2026Sep 17 8:32 PMTHOMAS SEIFERT
Proposed Sale
10,000$324.65$3.2M—

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Sep 14, 2026Sep 15 10:31 PMCarl LedbetterDirector
Sale
5,000$312.22$1.6M878,073(I)

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Sep 8, 2026Sep 9 12:54 AMMichelle ZatlynDirector, PRESIDENT & BOARD CO-CHAIR
Sale
33,003$277.43$9.2M69,775(I)

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Sep 4, 2026Sep 9 12:54 AMMichelle ZatlynDirector, PRESIDENT & BOARD CO-CHAIR
Sale
33,003$281.67$9.3M69,775(I)

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Sep 3, 2026Sep 9 12:54 AMMichelle ZatlynDirector, PRESIDENT & BOARD CO-CHAIR
Sale
33,003$278.92$9.2M69,775(I)

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Aug 21, 2026Aug 21 9:28 PMMichelle ZatlynDirector, President and Board Co-Chair
Sale
33,003$277.43$9.2M69,775(I)

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Aug 20, 2026Aug 21 9:28 PMMichelle ZatlynDirector, President and Board Co-Chair
Sale
33,003$285.06$9.4M69,775(I)

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Aug 19, 2026Aug 21 9:28 PMMichelle ZatlynDirector, President and Board Co-Chair
Sale
33,003$294.63$9.7M69,775(I)

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Aug 18, 2026Aug 19 9:42 PMAlissa Michelle StarzakChief Legal Officer
Sale
2,538$304.68$773.3K112,082(D)

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Aug 17, 2026Aug 19 9:42 PMAlissa Michelle StarzakChief Legal Officer
Sale
3,333$310.15$1.0M114,620(D)

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Aug 18, 2026Aug 19 9:37 PMJanel RileyChief Accounting Officer
Sale
3,481$305.26$1.1M41,547(D)

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Aug 17, 2026Aug 19 9:37 PMJanel RileyChief Accounting Officer
Sale
1,667$310.36$517.4K45,028(D)

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Aug 17, 2026Aug 19 9:35 PMThomas J SeifertChief Financial Officer
Sale
10,000$307.32$3.1M110,846(D)

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Page 1 of 11

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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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