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
Mar 4, 2026Mar 6 12:18 AMMichelle ZatlynDirector, President and Board Co-Chair
Conversion
25,641—0(D)

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Mar 3, 2026Mar 6 12:18 AMMichelle ZatlynDirector, President and Board Co-Chair
Option Exercise
25,641$2.041,569,223(D)

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Mar 3, 2026Mar 6 12:18 AMMichelle ZatlynDirector, President and Board Co-Chair
Conversion
25,641—0(D)

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Mar 3, 2026Mar 6 12:18 AMMichelle ZatlynDirector, President and Board Co-Chair
Option Exercise
25,641—25,641(D)

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Mar 2, 2026Mar 3 9:42 PMJohn Graham-CummingDirector
Option Exercise
2,520$44.7212,600(D)

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Feb 26, 2026Feb 27 2:04 AMMatthew PrinceDirector, CEO & Board Co-Chair, 10% Owner
Conversion
52,384—4,876,314(I)

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Feb 25, 2026Feb 27 2:04 AMMatthew PrinceDirector, CEO & Board Co-Chair, 10% Owner
Conversion
52,384—4,928,698(I)

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Feb 24, 2026Feb 27 2:04 AMMatthew PrinceDirector, CEO & Board Co-Chair, 10% Owner
Conversion
52,384—4,981,082(I)

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Feb 20, 2026Feb 25 12:47 AMThomas J SeifertChief Financial Officer
Conversion
10,000—8,925(D)

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Feb 20, 2026Feb 25 12:47 AMThomas J SeifertChief Financial Officer
Option Exercise
10,000—18,925(D)

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Feb 20, 2026Feb 25 12:47 AMThomas J SeifertChief Financial Officer
Option Exercise
10,000$2.0470,341(D)

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Feb 23, 2026Feb 24 1:29 AMMichelle ZatlynDirector, President and Board Co-Chair
Conversion
25,641—0(D)

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Feb 23, 2026Feb 24 1:29 AMMichelle ZatlynDirector, President and Board Co-Chair
Option Exercise
25,641—25,641(D)

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Feb 23, 2026Feb 24 1:29 AMMichelle ZatlynDirector, President and Board Co-Chair
Option Exercise
25,641$2.041,594,864(D)

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Feb 20, 2026Feb 24 1:29 AMMichelle ZatlynDirector, President and Board Co-Chair
Option Exercise
25,641—25,641(D)

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Feb 20, 2026Feb 24 1:29 AMMichelle ZatlynDirector, President and Board Co-Chair
Conversion
25,641—0(D)

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Feb 20, 2026Feb 24 1:29 AMMichelle ZatlynDirector, President and Board Co-Chair
Option Exercise
25,641$2.041,620,505(D)

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Feb 19, 2026Feb 24 1:29 AMMichelle ZatlynDirector, President and Board Co-Chair
Option Exercise
25,641$2.041,646,146(D)

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Feb 19, 2026Feb 24 1:29 AMMichelle ZatlynDirector, President and Board Co-Chair
Conversion
25,641—0(D)

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Feb 19, 2026Feb 24 1:29 AMMichelle ZatlynDirector, President and Board Co-Chair
Option Exercise
25,641—25,641(D)

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