Form 4 Tracker
Cloudflare, Inc.
NET

93 insider filings · Latest: Oct 5, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
May 18, 2026May 18 8:33 PMTHOMAS SEIFERT
Proposed Sale
10,000$197.56$2.0M—

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May 11, 2026May 12 8:45 PMKramer Douglas James
Proposed Sale
6,000$198.62$1.2M—

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May 4, 2026May 5 10:17 PMJohn Graham-CummingDirector
Sale
2,520$221.58$558.4K494,067(D)

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May 5, 2026May 5 10:15 PMCarl LedbetterDirector
Sale
15,000$238.12$3.6M908,073(I)

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May 1, 2026May 4 8:26 PMCarl LedbetterDirector
Sale
5,009$215.82$1.1M923,073(I)

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May 1, 2026May 4 8:24 PMMark J HawkinsDirector
Sale
133$211.62$28.1K10,189(D)

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May 1, 2026May 1 8:03 PMMARK HAWKINS
Proposed Sale
133$211.62$28.1K—

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Apr 28, 2026Apr 30 8:34 PMCarl LedbetterDirector
Sale
9,991$215.85$2.2M928,082(I)

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Apr 28, 2026Apr 28 8:07 PMLedbetter Carl
Proposed Sale
45,000$215.85$9.7M—

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Apr 22, 2026Apr 22 11:55 PMMichelle ZatlynDirector, President and Board Co-Chair
Sale
25,641$209.15$5.4M34,514(I)

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Apr 21, 2026Apr 22 11:55 PMMichelle ZatlynDirector, President and Board Co-Chair
Sale
25,641$206.10$5.3M34,514(I)

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Apr 20, 2026Apr 22 11:55 PMMichelle ZatlynDirector, President and Board Co-Chair
Sale
25,641$199.37$5.1M34,514(I)

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Apr 17, 2026Apr 17 9:33 PMThomas J SeifertChief Financial Officer
Sale
10,000$197.98$2.0M221,681(D)

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Apr 17, 2026Apr 17 8:36 PMTHOMAS SEIFERT
Proposed Sale
10,000$197.38$2.0M—

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Apr 8, 2026Apr 8 11:09 PMMatthew PrinceDirector, CEO & Board Co-Chair, 10% Owner
Sale
659$223.62$147.4K0(I)

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Apr 8, 2026Apr 8 11:06 PMMatthew PrinceDirector, CEO & Board Co-Chair, 10% Owner
Sale
51,725$213.59$11.0M659(I)

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Apr 7, 2026Apr 8 11:06 PMMatthew PrinceDirector, CEO & Board Co-Chair, 10% Owner
Sale
52,384$212.24$11.1M0(I)

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Apr 6, 2026Apr 8 11:06 PMMatthew PrinceDirector, CEO & Board Co-Chair, 10% Owner
Sale
52,384$210.02$11.0M0(I)

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Apr 1, 2026Apr 2 8:54 PMMark J HawkinsDirector
Sale
133$209.60$27.9K10,322(D)

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Apr 1, 2026Apr 1 8:07 PMMARK HAWKINS
Proposed Sale
133$209.60$27.9K—

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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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