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
May 22, 2026May 27 10:34 PMMichelle ZatlynDirector, President and Board Co-Chair
Option Exercise
25,641—25,641(D)

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May 22, 2026May 27 10:34 PMMichelle ZatlynDirector, President and Board Co-Chair
Option Exercise
25,641$2.041,415,377(D)

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May 22, 2026May 27 10:34 PMMichelle ZatlynDirector, President and Board Co-Chair
Conversion
25,641—0(D)

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May 21, 2026May 21 10:38 PMMatthew PrinceDirector, CEO & Board Co-Chair, 10% Owner
Conversion
52,384—4,427,769(I)

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May 20, 2026May 21 10:38 PMMatthew PrinceDirector, CEO & Board Co-Chair, 10% Owner
Conversion
52,384—4,480,153(I)

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May 19, 2026May 21 10:38 PMMatthew PrinceDirector, CEO & Board Co-Chair, 10% Owner
Conversion
52,384—4,532,537(I)

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May 18, 2026May 19 9:55 PMThomas J SeifertChief Financial Officer
Option Exercise
10,000$2.0440,000(D)

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May 18, 2026May 19 9:55 PMThomas J SeifertChief Financial Officer
Conversion
10,000—8,925(D)

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May 18, 2026May 19 9:55 PMThomas J SeifertChief Financial Officer
Option Exercise
10,000—18,925(D)

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May 15, 2026May 19 9:51 PMJanel RileyChief Accounting Officer
Option Exercise
3,333$67.7973,335(D)

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May 11, 2026May 12 8:38 PMAlissa Michelle StarzakChief Legal Officer
Grant/Award
128,000$193.52128,000(D)

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May 4, 2026May 5 10:17 PMJohn Graham-CummingDirector
Option Exercise
2,520$44.727,560(D)

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Apr 22, 2026Apr 22 11:55 PMMichelle ZatlynDirector, President and Board Co-Chair
Option Exercise
25,641—25,641(D)

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Apr 22, 2026Apr 22 11:55 PMMichelle ZatlynDirector, President and Board Co-Chair
Option Exercise
25,641$2.041,441,018(D)

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Apr 22, 2026Apr 22 11:55 PMMichelle ZatlynDirector, President and Board Co-Chair
Conversion
25,641—0(D)

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Apr 21, 2026Apr 22 11:55 PMMichelle ZatlynDirector, President and Board Co-Chair
Option Exercise
25,641—25,641(D)

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Apr 21, 2026Apr 22 11:55 PMMichelle ZatlynDirector, President and Board Co-Chair
Option Exercise
25,641$2.041,466,659(D)

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Apr 21, 2026Apr 22 11:55 PMMichelle ZatlynDirector, President and Board Co-Chair
Conversion
25,641—0(D)

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Apr 20, 2026Apr 22 11:55 PMMichelle ZatlynDirector, President and Board Co-Chair
Option Exercise
25,641$2.041,492,300(D)

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Apr 20, 2026Apr 22 11:55 PMMichelle ZatlynDirector, President and Board Co-Chair
Option Exercise
25,641—25,641(D)

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