TENB Insider Trading

Net Buying · 180d
Open-Market Buys (180d)
$358K
2 insiders
Open-Market Sells (180d)
$0
0 insiders
Net Insider Flow
$358K
open market, 180d
Reporting Insiders
2
2 P/S transactions
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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 15, 2026Keane Margaret MDirectorOption exercise(M)3K$0
Jun 15, 2026Keane Margaret MDirectorOption exercise(M)3K$0
Feb 26, 2026Anschutz BarronInsiderGrant(A)93K$0
Feb 26, 2026Vintz Stephen ACo-Chief Executive Officer, DirectorGrant(A)342K$0
Feb 26, 2026Thurmond Mark C.Co-Chief Executive Officer, DirectorGrant(A)342K$0
Feb 26, 2026Brown Matthew CharlesChief Financial OfficerGrant(A)142K$0
Feb 25, 2026Vintz Stephen ACo-Chief Executive Officer, DirectorTax withholding(F)12K$19.00$222K
Feb 25, 2026Vintz Stephen ACo-Chief Executive Officer, DirectorOption exercise(M)24K$0
Feb 25, 2026Vintz Stephen ACo-Chief Executive Officer, DirectorOption exercise(M)24K$0
Feb 25, 2026Thurmond Mark C.Co-Chief Executive Officer, DirectorOption exercise(M)24K$0
Feb 25, 2026Thurmond Mark C.Co-Chief Executive Officer, DirectorTax withholding(F)12K$19.00$224K
Feb 25, 2026Thurmond Mark C.Co-Chief Executive Officer, DirectorOption exercise(M)24K$0
Feb 23, 2026Anschutz BarronInsiderTax withholding(F)3K$17.55$56K
Feb 23, 2026Anschutz BarronInsiderOption exercise(M)7K$0
Feb 23, 2026Anschutz BarronInsiderTax withholding(F)669$17.55$12K
Feb 23, 2026Anschutz BarronInsiderOption exercise(M)1K$0
Feb 23, 2026Anschutz BarronInsiderTax withholding(F)640$17.55$11K
Feb 23, 2026Anschutz BarronInsiderOption exercise(M)1K$0
Feb 23, 2026Anschutz BarronInsiderTax withholding(F)666$17.55$12K
Feb 23, 2026Anschutz BarronInsiderOption exercise(M)1K$0
Feb 23, 2026Anschutz BarronInsiderOption exercise(M)1K$0
Feb 23, 2026Anschutz BarronInsiderOption exercise(M)1K$0
Feb 23, 2026Anschutz BarronInsiderOption exercise(M)1K$0
Feb 23, 2026Anschutz BarronInsiderOption exercise(M)7K$0
Feb 23, 2026Vintz Stephen ACo-Chief Executive Officer, DirectorTax withholding(F)3K$17.55$45K
Feb 23, 2026Vintz Stephen ACo-Chief Executive Officer, DirectorTax withholding(F)619$17.55$11K
Feb 23, 2026Vintz Stephen ACo-Chief Executive Officer, DirectorTax withholding(F)1K$17.55$26K
Feb 23, 2026Vintz Stephen ACo-Chief Executive Officer, DirectorOption exercise(M)5K$0
Feb 23, 2026Vintz Stephen ACo-Chief Executive Officer, DirectorTax withholding(F)17K$17.55$304K
Feb 23, 2026Vintz Stephen ACo-Chief Executive Officer, DirectorOption exercise(M)47K$0
Feb 23, 2026Vintz Stephen ACo-Chief Executive Officer, DirectorOption exercise(M)2K$0
Feb 23, 2026Vintz Stephen ACo-Chief Executive Officer, DirectorTax withholding(F)524$17.55$9K
Feb 23, 2026Vintz Stephen ACo-Chief Executive Officer, DirectorOption exercise(M)2K$0
Feb 23, 2026Vintz Stephen ACo-Chief Executive Officer, DirectorTax withholding(F)771$17.55$14K
Feb 23, 2026Vintz Stephen ACo-Chief Executive Officer, DirectorOption exercise(M)5K$0
Feb 23, 2026Vintz Stephen ACo-Chief Executive Officer, DirectorOption exercise(M)2K$0
Feb 23, 2026Vintz Stephen ACo-Chief Executive Officer, DirectorOption exercise(M)5K$0
Feb 23, 2026Vintz Stephen ACo-Chief Executive Officer, DirectorTax withholding(F)2K$17.55$29K
Feb 23, 2026Vintz Stephen ACo-Chief Executive Officer, DirectorOption exercise(M)2K$0
Feb 23, 2026Vintz Stephen ACo-Chief Executive Officer, DirectorOption exercise(M)2K$0
Feb 23, 2026Vintz Stephen ACo-Chief Executive Officer, DirectorOption exercise(M)5K$0
Feb 23, 2026Vintz Stephen ACo-Chief Executive Officer, DirectorOption exercise(M)47K$0
Feb 23, 2026Vintz Stephen ACo-Chief Executive Officer, DirectorOption exercise(M)5K$0
Feb 23, 2026Vintz Stephen ACo-Chief Executive Officer, DirectorOption exercise(M)5K$0
Feb 23, 2026Vintz Stephen ACo-Chief Executive Officer, DirectorOption exercise(M)2K$0
Feb 23, 2026Thurmond Mark C.Co-Chief Executive Officer, DirectorOption exercise(M)1K$0
Feb 23, 2026Thurmond Mark C.Co-Chief Executive Officer, DirectorOption exercise(M)4K$0
Feb 23, 2026Thurmond Mark C.Co-Chief Executive Officer, DirectorTax withholding(F)16K$17.55$274K
Feb 23, 2026Thurmond Mark C.Co-Chief Executive Officer, DirectorOption exercise(M)47K$0
Feb 23, 2026Thurmond Mark C.Co-Chief Executive Officer, DirectorTax withholding(F)1K$17.55$19K
Feb 23, 2026Thurmond Mark C.Co-Chief Executive Officer, DirectorOption exercise(M)4K$0
Feb 23, 2026Thurmond Mark C.Co-Chief Executive Officer, DirectorTax withholding(F)2K$17.55$33K
Feb 23, 2026Thurmond Mark C.Co-Chief Executive Officer, DirectorOption exercise(M)4K$0
Feb 23, 2026Thurmond Mark C.Co-Chief Executive Officer, DirectorOption exercise(M)1K$0
Feb 23, 2026Thurmond Mark C.Co-Chief Executive Officer, DirectorTax withholding(F)401$17.55$7K
Feb 23, 2026Thurmond Mark C.Co-Chief Executive Officer, DirectorTax withholding(F)1K$17.55$23K
Feb 23, 2026Thurmond Mark C.Co-Chief Executive Officer, DirectorTax withholding(F)342$17.55$6K
Feb 23, 2026Thurmond Mark C.Co-Chief Executive Officer, DirectorOption exercise(M)2K$0
Feb 23, 2026Thurmond Mark C.Co-Chief Executive Officer, DirectorTax withholding(F)666$17.55$12K
Feb 23, 2026Thurmond Mark C.Co-Chief Executive Officer, DirectorOption exercise(M)47K$0
Feb 23, 2026Thurmond Mark C.Co-Chief Executive Officer, DirectorOption exercise(M)1K$0
Feb 23, 2026Thurmond Mark C.Co-Chief Executive Officer, DirectorOption exercise(M)2K$0
Feb 23, 2026Thurmond Mark C.Co-Chief Executive Officer, DirectorOption exercise(M)4K$0
Feb 23, 2026Thurmond Mark C.Co-Chief Executive Officer, DirectorOption exercise(M)1K$0
Feb 23, 2026Thurmond Mark C.Co-Chief Executive Officer, DirectorOption exercise(M)4K$0
Feb 23, 2026Thurmond Mark C.Co-Chief Executive Officer, DirectorOption exercise(M)4K$0
Feb 23, 2026Brown Matthew CharlesChief Financial OfficerTax withholding(F)5K$17.55$92K
Feb 23, 2026Brown Matthew CharlesChief Financial OfficerOption exercise(M)15K$0
Feb 23, 2026Brown Matthew CharlesChief Financial OfficerOption exercise(M)15K$0
Feb 12, 2026Vicks Raymond Jr.DirectorBuy(P)5K$22.17$100K
Feb 9, 2026Coviello Arthur W JRDirectorBuy(P)12K$21.50$258K
Jan 16, 2026Anschutz BarronInsiderOption exercise(M)2K$0
Jan 16, 2026Anschutz BarronInsiderTax withholding(F)1K$22.12$24K
Jan 16, 2026Anschutz BarronInsiderOption exercise(M)2K$0
Dec 15, 2025Seawell A BrookeDirectorSell(S)115K$24.82$2.9M
Dec 15, 2025Seawell A BrookeDirectorOption exercise(M)115K$9.66$1.1M
Dec 15, 2025Seawell A BrookeDirectorOption exercise(M)115K$0
Nov 24, 2025Anschutz BarronInsiderTax withholding(F)666$25.68$17K
Nov 24, 2025Anschutz BarronInsiderTax withholding(F)640$25.68$16K
Nov 24, 2025Anschutz BarronInsiderOption exercise(M)1K$0
Nov 24, 2025Anschutz BarronInsiderOption exercise(M)1K$0
Nov 24, 2025Anschutz BarronInsiderOption exercise(M)1K$0
Nov 24, 2025Anschutz BarronInsiderTax withholding(F)602$25.68$15K
Nov 24, 2025Anschutz BarronInsiderOption exercise(M)1K$0
Nov 24, 2025Anschutz BarronInsiderOption exercise(M)1K$0
Nov 24, 2025Anschutz BarronInsiderOption exercise(M)1K$0
Nov 24, 2025Vintz Stephen ACo-Chief Executive Officer, DirectorOption exercise(M)2K$0
Nov 24, 2025Vintz Stephen ACo-Chief Executive Officer, DirectorTax withholding(F)2K$25.68$56K
Nov 24, 2025Vintz Stephen ACo-Chief Executive Officer, DirectorOption exercise(M)5K$0
Nov 24, 2025Vintz Stephen ACo-Chief Executive Officer, DirectorTax withholding(F)2K$25.68$63K
Nov 24, 2025Vintz Stephen ACo-Chief Executive Officer, DirectorOption exercise(M)5K$0
Nov 24, 2025Vintz Stephen ACo-Chief Executive Officer, DirectorTax withholding(F)3K$25.68$65K
Nov 24, 2025Vintz Stephen ACo-Chief Executive Officer, DirectorTax withholding(F)899$25.68$23K
Nov 24, 2025Vintz Stephen ACo-Chief Executive Officer, DirectorOption exercise(M)2K$0
Nov 24, 2025Vintz Stephen ACo-Chief Executive Officer, DirectorTax withholding(F)763$25.68$20K
Nov 24, 2025Vintz Stephen ACo-Chief Executive Officer, DirectorOption exercise(M)2K$0
Nov 24, 2025Vintz Stephen ACo-Chief Executive Officer, DirectorTax withholding(F)1K$25.68$29K
Nov 24, 2025Vintz Stephen ACo-Chief Executive Officer, DirectorOption exercise(M)5K$0
Nov 24, 2025Vintz Stephen ACo-Chief Executive Officer, DirectorOption exercise(M)2K$0
Nov 24, 2025Vintz Stephen ACo-Chief Executive Officer, DirectorOption exercise(M)5K$0

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).