Form 4 Tracker
Cloudflare, Inc.
NET

93 insider filings · Latest: Oct 5, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Mar 27, 2026Mar 30 10:37 PMJohn Graham-CummingDirector
Sale
3,644$202.31$737.2K494,067(D)

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Mar 27, 2026Mar 27 8:26 PMJohn Graham-Cumming
Proposed Sale
8,684$203.02$1.8M—

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Mar 18, 2026Mar 20 8:47 PMCarl LedbetterDirector
Sale
15,000$227.05$3.4M938,073(I)

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Mar 18, 2026Mar 18 11:31 PMMatthew PrinceDirector, CEO & Board Co-Chair, 10% Owner
Sale
13,618$227.80$3.1M0(I)

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Mar 18, 2026Mar 18 11:29 PMMatthew PrinceDirector, CEO & Board Co-Chair, 10% Owner
Sale
38,766$218.87$8.5M13,618(I)

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Mar 17, 2026Mar 18 11:29 PMMatthew PrinceDirector, CEO & Board Co-Chair, 10% Owner
Sale
52,384$212.25$11.1M0(I)

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Mar 16, 2026Mar 18 11:29 PMMatthew PrinceDirector, CEO & Board Co-Chair, 10% Owner
Sale
52,384$209.08$11.0M0(I)

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Mar 17, 2026Mar 17 11:27 PMThomas J SeifertChief Financial Officer
Sale
10,341$212.30$2.2M224,625(D)

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Mar 17, 2026Mar 17 8:38 PMTHOMAS SEIFERT
Proposed Sale
10,341$207.33$2.1M—

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Mar 16, 2026Mar 16 9:35 PMMatthew Prince
Proposed Sale
471,456$207.33$97.7M—

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Mar 5, 2026Mar 6 10:47 PMJanel RileyChief Accounting Officer
Sale
23,332$190.00$4.4M56,791(D)

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Mar 5, 2026Mar 6 12:18 AMMichelle ZatlynDirector, President and Board Co-Chair
Sale
25,641$189.50$4.9M34,514(I)

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Mar 4, 2026Mar 6 12:18 AMMichelle ZatlynDirector, President and Board Co-Chair
Sale
25,641$179.63$4.6M34,514(I)

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Mar 3, 2026Mar 6 12:18 AMMichelle ZatlynDirector, President and Board Co-Chair
Sale
25,641$174.61$4.5M34,514(I)

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Mar 3, 2026Mar 4 9:10 PMJanel RileyCHIEF ACCOUNTING OFFICER
Sale
4,160$180.00$748.8K56,791(D)

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Mar 2, 2026Mar 3 9:44 PMMark J HawkinsDirector
Sale
133$168.62$22.4K10,455(D)

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Mar 2, 2026Mar 3 9:42 PMJohn Graham-CummingDirector
Sale
2,520$178.24$449.2K495,191(D)

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Mar 2, 2026Mar 2 9:05 PMMARK HAWKINS
Proposed Sale
133$168.62$22.4K—

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Feb 26, 2026Feb 27 2:04 AMMatthew PrinceDirector, CEO & Board Co-Chair, 10% Owner
Sale
52,384$173.78$9.1M22,911(I)

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Feb 25, 2026Feb 27 2:04 AMMatthew PrinceDirector, CEO & Board Co-Chair, 10% Owner
Sale
52,384$169.09$8.9M22,911(I)

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Feb 9, 2026Feb 11 9:56 PMJohn Graham-CummingDirector
Option Exercise
2,520$44.7215,120(D)

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Jan 20, 2026Jan 21 10:13 PMThomas J SeifertChief Financial Officer
Option Exercise
10,000$2.0480,341(D)

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Jan 20, 2026Jan 21 10:13 PMThomas J SeifertChief Financial Officer
Conversion
10,000—8,925(D)

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Jan 20, 2026Jan 21 10:13 PMThomas J SeifertChief Financial Officer
Option Exercise
10,000—18,925(D)

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