Form 4 Tracker
Cloudflare, Inc.
NET

93 insider filings · Latest: Oct 5, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Dec 15, 2025Dec 15 11:29 PMJohn Graham-Cumming
Proposed Sale
10,080$196.70$2.0M—

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Dec 3, 2025Dec 3 10:57 PMMatthew Prince
Proposed Sale
471,456$204.35$96.3M—

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Dec 1, 2025Dec 1 9:07 PMDOUGLAS KRAMER
Proposed Sale
3,000$196.84$590.5K—

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Dec 1, 2025Dec 1 9:03 PMMARK HAWKINS
Proposed Sale
134$197.65$26.5K—

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Nov 20, 2025Nov 20 9:30 PMMichelle Zatlyn
Proposed Sale
240,227$191.39$46.0M—

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Nov 20, 2025Nov 20 9:20 PMTHOMAS SEIFERT
Proposed Sale
41,555$196.20$8.2M—

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Nov 19, 2025Nov 19 9:03 PMKATRIN SUSANNE SUDER
Proposed Sale
2,031$196.38$398.8K—

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Nov 3, 2025Nov 3 9:07 PMMARK HAWKINS
Proposed Sale
1,000$254.15$254.2K—

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Nov 3, 2025Nov 3 9:03 PMDOUGLAS KRAMER
Proposed Sale
3,000$255.53$766.6K—

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Oct 20, 2025Oct 20 8:19 PMTHOMAS SEIFERT
Proposed Sale
10,000$210.01$2.1M—

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Oct 20, 2025Oct 20 8:18 PMLedbetter Carl
Proposed Sale
45,000$193.94$8.7M—

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Oct 1, 2025Oct 1 8:02 PMDOUGLAS KRAMER
Proposed Sale
9,000$213.48$1.9M—

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Oct 1, 2025Oct 1 8:01 PMMARK HAWKINS
Proposed Sale
1,000$212.83$212.8K—

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Sep 22, 2025Sep 22 8:21 PMTHOMAS SEIFERT
Proposed Sale
10,000$225.94$2.3M—

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Sep 9, 2025Sep 9 9:02 PMMatthew Prince
Proposed Sale
471,456$218.56$103.0M—

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Sep 2, 2025Sep 2 9:11 PMJohn Graham-Cumming
Proposed Sale
15,255$208.05$3.2M—

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Sep 2, 2025Sep 2 8:05 PMDOUGLAS KRAMER
Proposed Sale
3,000$202.10$606.3K—

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Sep 2, 2025Sep 2 8:02 PMMARK HAWKINS
Proposed Sale
1,000$201.60$201.6K—

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Aug 21, 2025Aug 21 8:44 PMMichelle Zatlyn
Proposed Sale
240,228$192.77$46.3M—

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Aug 20, 2025Aug 20 8:26 PMTHOMAS SEIFERT
Proposed Sale
41,555$196.51$8.2M—

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Sep 3, 2026Sep 9 12:54 AMMichelle ZatlynDirector, PRESIDENT & BOARD CO-CHAIR
Conversion
33,003—0(D)

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Aug 21, 2026Aug 21 9:28 PMMichelle ZatlynDirector, President and Board Co-Chair
Conversion
33,003—0(D)

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Aug 21, 2026Aug 21 9:28 PMMichelle ZatlynDirector, President and Board Co-Chair
Option Exercise
33,003—33,003(D)

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Aug 21, 2026Aug 21 9:28 PMMichelle ZatlynDirector, President and Board Co-Chair
Option Exercise
33,003$2.041,089,099(D)

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Aug 20, 2026Aug 21 9:28 PMMichelle ZatlynDirector, President and Board Co-Chair
Option Exercise
33,003$2.041,122,102(D)

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Aug 20, 2026Aug 21 9:28 PMMichelle ZatlynDirector, President and Board Co-Chair
Option Exercise
33,003—33,003(D)

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Aug 20, 2026Aug 21 9:28 PMMichelle ZatlynDirector, President and Board Co-Chair
Conversion
33,003—0(D)

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Aug 19, 2026Aug 21 9:28 PMMichelle ZatlynDirector, President and Board Co-Chair
Conversion
33,003—0(D)

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Aug 19, 2026Aug 21 9:28 PMMichelle ZatlynDirector, President and Board Co-Chair
Option Exercise
33,003—33,003(D)

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Aug 19, 2026Aug 21 9:28 PMMichelle ZatlynDirector, President and Board Co-Chair
Option Exercise
33,003$2.041,155,105(D)

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Aug 17, 2026Aug 19 9:42 PMAlissa Michelle StarzakChief Legal Officer
Option Exercise
3,333$77.7086,666(D)

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Aug 17, 2026Aug 19 9:37 PMJanel RileyChief Accounting Officer
Option Exercise
1,667$67.7971,668(D)

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Aug 17, 2026Aug 19 9:35 PMThomas J SeifertChief Financial Officer
Option Exercise
10,000—18,925(D)

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Aug 17, 2026Aug 19 9:35 PMThomas J SeifertChief Financial Officer
Option Exercise
10,000$2.0410,000(D)

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Aug 17, 2026Aug 19 9:35 PMThomas J SeifertChief Financial Officer
Conversion
10,000—8,925(D)

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Aug 10, 2026Aug 11 9:03 PMJohn Graham-CummingDirector
Option Exercise
2,520$44.720(D)

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Aug 4, 2026Aug 6 11:03 PMThomas J SeifertChief Financial Officer
Option Exercise
55,000$44.72500,000(D)

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Aug 5, 2026Aug 5 11:46 PMMatthew PrinceDirector, CEO & Board Co-Chair, 10% Owner
Conversion
52,383—2,750,039(I)

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Aug 4, 2026Aug 5 11:25 PMMatthew PrinceDirector, CEO & Board Co-Chair, 10% Owner
Conversion
52,383—2,783,670(I)

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Aug 3, 2026Aug 5 11:24 PMMatthew PrinceDirector, CEO & Board Co-Chair, 10% Owner
Conversion
52,383—2,817,301(I)

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