NET Insider Trading

Cloudflare, Inc. · full profile →Last filing Jun 18, 2026
Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$186.8M
9 insiders
Net Insider Flow
-$186.8M
open market, 180d
Reporting Insiders
9
232 P/S transactions
Build

Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Recent Form 4 Transactions

100 shown
DateInsiderRoleActionSharesPriceValue
Jun 18, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorConversion(C)26K
Jun 18, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorSell(S)5K$216.43$1.0M
Jun 18, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorSell(S)1K$217.46$307K
Jun 18, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorSell(S)5K$218.54$1.1M
Jun 18, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorSell(S)8K$219.44$1.7M
Jun 18, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorSell(S)3K$220.43$642K
Jun 18, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorSell(S)3K$221.56$558K
Jun 18, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorSell(S)1K$222.66$288K
Jun 18, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorSell(S)100$223.29$22K
Jun 18, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorOption exercise(M)26K$0
Jun 18, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorOption exercise(M)26K$0
Jun 18, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorConversion(C)26K$0
Jun 17, 2026Seifert Thomas JChief Financial OfficerConversion(C)10K
Jun 17, 2026Seifert Thomas JChief Financial OfficerSell(S)900$227.74$205K
Jun 17, 2026Seifert Thomas JChief Financial OfficerSell(S)900$228.91$206K
Jun 17, 2026Seifert Thomas JChief Financial OfficerSell(S)515$229.95$118K
Jun 17, 2026Seifert Thomas JChief Financial OfficerSell(S)685$230.90$158K
Jun 17, 2026Seifert Thomas JChief Financial OfficerSell(S)600$232.00$139K
Jun 17, 2026Seifert Thomas JChief Financial OfficerSell(S)3K$233.44$739K
Jun 17, 2026Seifert Thomas JChief Financial OfficerSell(S)3K$234.18$617K
Jun 17, 2026Seifert Thomas JChief Financial OfficerSell(S)600$235.34$141K
Jun 17, 2026Seifert Thomas JChief Financial OfficerOption exercise(M)10K$0
Jun 17, 2026Seifert Thomas JChief Financial OfficerOption exercise(M)10K$0
Jun 17, 2026Seifert Thomas JChief Financial OfficerConversion(C)10K$0
Jun 17, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorConversion(C)26K
Jun 17, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorSell(S)3K$229.91$799K
Jun 17, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorSell(S)5K$230.92$1.1M
Jun 17, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorSell(S)3K$231.70$681K
Jun 17, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorSell(S)5K$233.14$1.1M
Jun 17, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorSell(S)5K$233.89$1.3M
Jun 17, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorSell(S)3K$235.12$771K
Jun 17, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorSell(S)1K$235.68$280K
Jun 17, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorOption exercise(M)26K$0
Jun 17, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorOption exercise(M)26K$0
Jun 17, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorConversion(C)26K$0
Jun 16, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorConversion(C)26K
Jun 16, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorSell(S)4K$229.48$854K
Jun 16, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorSell(S)5K$230.31$1.1M
Jun 16, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorSell(S)5K$231.25$1.2M
Jun 16, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorSell(S)2K$232.51$406K
Jun 16, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorSell(S)602$234.20$141K
Jun 16, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorSell(S)3K$235.43$737K
Jun 16, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorSell(S)4K$236.73$995K
Jun 16, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorSell(S)2K$237.67$570K
Jun 16, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorOption exercise(M)26K$0
Jun 16, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorOption exercise(M)26K$0
Jun 16, 2026Zatlyn MichellePresident and Board Co-Chair, DirectorConversion(C)26K$0
Jun 15, 2026Graham-Cumming JohnDirectorOption exercise(M)3K$44.72$113K
Jun 15, 2026Graham-Cumming JohnDirectorSell(S)44$231.60$10K
Jun 15, 2026Graham-Cumming JohnDirectorSell(S)144$233.46$34K
Jun 15, 2026Graham-Cumming JohnDirectorSell(S)748$234.80$176K
Jun 15, 2026Graham-Cumming JohnDirectorSell(S)596$235.75$141K
Jun 15, 2026Graham-Cumming JohnDirectorSell(S)430$236.76$102K
Jun 15, 2026Graham-Cumming JohnDirectorSell(S)504$238.02$120K
Jun 15, 2026Graham-Cumming JohnDirectorSell(S)54$238.52$13K
Jun 15, 2026Graham-Cumming JohnDirectorOption exercise(M)3K$0
Jun 15, 2026Seifert Thomas JChief Financial OfficerTax withholding(F)3K$228.48$673K
Jun 8, 2026Suder KatrinDirectorSell(S)293$252.92$74K
Mar 27, 2026Graham-Cumming JohnDirectorSell(S)356$200.56$71K
Mar 27, 2026Graham-Cumming JohnDirectorSell(S)1K$201.60$220K
Mar 27, 2026Graham-Cumming JohnDirectorOption exercise(M)3K$44.72$113K
Mar 27, 2026Graham-Cumming JohnDirectorSell(S)881$203.41$179K
Mar 27, 2026Graham-Cumming JohnDirectorSell(S)39$204.39$8K
Mar 27, 2026Graham-Cumming JohnDirectorSell(S)1K$202.58$259K
Mar 27, 2026Graham-Cumming JohnDirectorOption exercise(M)3K$0
Mar 18, 2026Ledbetter CarlDirectorSell(S)15K$227.05$3.4M
Mar 18, 2026Prince MatthewCEO & Board Co-Chair, Director, 10% OwnerSell(S)3K$226.03$741K
Mar 18, 2026Prince MatthewCEO & Board Co-Chair, Director, 10% OwnerConversion(C)52K
Mar 18, 2026Prince MatthewCEO & Board Co-Chair, Director, 10% OwnerSell(S)3K$212.35$591K
Mar 18, 2026Prince MatthewCEO & Board Co-Chair, Director, 10% OwnerSell(S)3K$213.26$574K
Mar 18, 2026Prince MatthewCEO & Board Co-Chair, Director, 10% OwnerSell(S)8K$214.38$1.7M
Mar 18, 2026Prince MatthewCEO & Board Co-Chair, Director, 10% OwnerSell(S)3K$215.01$646K
Mar 18, 2026Prince MatthewCEO & Board Co-Chair, Director, 10% OwnerSell(S)1K$216.29$262K
Mar 18, 2026Prince MatthewCEO & Board Co-Chair, Director, 10% OwnerSell(S)2K$217.50$375K
Mar 18, 2026Prince MatthewCEO & Board Co-Chair, Director, 10% OwnerSell(S)5K$218.23$1.1M
Mar 18, 2026Prince MatthewCEO & Board Co-Chair, Director, 10% OwnerSell(S)390$219.26$86K
Mar 18, 2026Prince MatthewCEO & Board Co-Chair, Director, 10% OwnerSell(S)364$221.03$80K
Mar 18, 2026Prince MatthewCEO & Board Co-Chair, Director, 10% OwnerSell(S)111$221.85$25K
Mar 18, 2026Prince MatthewCEO & Board Co-Chair, Director, 10% OwnerSell(S)446$223.17$100K
Mar 18, 2026Prince MatthewCEO & Board Co-Chair, Director, 10% OwnerSell(S)1K$224.34$281K
Mar 18, 2026Prince MatthewCEO & Board Co-Chair, Director, 10% OwnerSell(S)9K$225.25$1.9M
Mar 18, 2026Prince MatthewCEO & Board Co-Chair, Director, 10% OwnerConversion(C)52K$0
Mar 18, 2026Prince MatthewCEO & Board Co-Chair, Director, 10% OwnerSell(S)460$228.79$105K
Mar 18, 2026Prince MatthewCEO & Board Co-Chair, Director, 10% OwnerSell(S)8K$228.08$1.9M
Mar 18, 2026Prince MatthewCEO & Board Co-Chair, Director, 10% OwnerSell(S)5K$227.19$1.1M
Mar 17, 2026Seifert Thomas JChief Financial OfficerSell(S)3K$211.69$644K
Mar 17, 2026Seifert Thomas JChief Financial OfficerSell(S)5K$212.57$1.1M
Mar 17, 2026Seifert Thomas JChief Financial OfficerSell(S)2K$213.23$426K
Mar 17, 2026Seifert Thomas JChief Financial OfficerSell(S)100$208.64$21K
Mar 17, 2026Seifert Thomas JChief Financial OfficerConversion(C)10K
Mar 17, 2026Seifert Thomas JChief Financial OfficerSell(S)200$207.68$42K
Mar 17, 2026Seifert Thomas JChief Financial OfficerConversion(C)10K$0
Mar 17, 2026Seifert Thomas JChief Financial OfficerOption exercise(M)10K$0
Mar 17, 2026Seifert Thomas JChief Financial OfficerOption exercise(M)10K$0
Mar 17, 2026Prince MatthewCEO & Board Co-Chair, Director, 10% OwnerConversion(C)52K
Mar 17, 2026Prince MatthewCEO & Board Co-Chair, Director, 10% OwnerSell(S)1K$208.14$303K
Mar 17, 2026Prince MatthewCEO & Board Co-Chair, Director, 10% OwnerSell(S)372$208.83$78K
Mar 17, 2026Prince MatthewCEO & Board Co-Chair, Director, 10% OwnerSell(S)756$210.70$159K
Mar 17, 2026Prince MatthewCEO & Board Co-Chair, Director, 10% OwnerSell(S)16K$211.73$3.4M
Mar 17, 2026Prince MatthewCEO & Board Co-Chair, Director, 10% OwnerSell(S)28K$212.62$6.0M

Data Source

Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.

Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).