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.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 24, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Option exercise(M) | 5K | — | $0 |
| Aug 24, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Option exercise(M) | 8K | — | $0 |
| Aug 24, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Option exercise(M) | 5K | — | $0 |
| Aug 24, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Option exercise(M) | 6K | — | $0 |
| Aug 24, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Option exercise(M) | 2K | — | $0 |
| Aug 24, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Option exercise(M) | 2K | — | $0 |
| Aug 24, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Tax withholding(F) | 2K | $33.94 | $73K |
| Aug 24, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Option exercise(M) | 5K | — | $0 |
| Aug 24, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Tax withholding(F) | 4K | $33.94 | $126K |
| Aug 24, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Option exercise(M) | 8K | — | $0 |
| Aug 24, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Tax withholding(F) | 2K | $33.94 | $83K |
| Aug 24, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Option exercise(M) | 5K | — | $0 |
| Aug 24, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Tax withholding(F) | 3K | $33.94 | $99K |
| Aug 24, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Option exercise(M) | 6K | — | $0 |
| Aug 24, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Tax withholding(F) | 1K | $33.94 | $38K |
| Aug 24, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Option exercise(M) | 2K | — | $0 |
| Aug 24, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Tax withholding(F) | 764 | $33.94 | $26K |
| Aug 24, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Option exercise(M) | 2K | — | $0 |
| Aug 24, 2026 | Anschutz Barron | Insider | Option exercise(M) | 2K | — | $0 |
| Aug 24, 2026 | Anschutz Barron | Insider | Option exercise(M) | 1K | — | $0 |
| Aug 24, 2026 | Anschutz Barron | Insider | Option exercise(M) | 1K | — | $0 |
| Aug 24, 2026 | Anschutz Barron | Insider | Tax withholding(F) | 780 | $33.94 | $26K |
| Aug 24, 2026 | Anschutz Barron | Insider | Option exercise(M) | 2K | — | $0 |
| Aug 24, 2026 | Anschutz Barron | Insider | Tax withholding(F) | 602 | $33.94 | $20K |
| Aug 24, 2026 | Anschutz Barron | Insider | Option exercise(M) | 1K | — | $0 |
| Aug 24, 2026 | Anschutz Barron | Insider | Tax withholding(F) | 640 | $33.94 | $22K |
| Aug 24, 2026 | Anschutz Barron | Insider | Option exercise(M) | 1K | — | $0 |
| Aug 24, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Option exercise(M) | 4K | — | $0 |
| Aug 24, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Option exercise(M) | 8K | — | $0 |
| Aug 24, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Option exercise(M) | 4K | — | $0 |
| Aug 24, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Option exercise(M) | 6K | — | $0 |
| Aug 24, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Option exercise(M) | 2K | — | $0 |
| Aug 24, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Option exercise(M) | 1K | — | $0 |
| Aug 24, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Tax withholding(F) | 2K | $33.94 | $72K |
| Aug 24, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Option exercise(M) | 4K | — | $0 |
| Aug 24, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Tax withholding(F) | 4K | $33.94 | $127K |
| Aug 24, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Option exercise(M) | 8K | — | $0 |
| Aug 24, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Tax withholding(F) | 2K | $33.94 | $61K |
| Aug 24, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Option exercise(M) | 4K | — | $0 |
| Aug 24, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Tax withholding(F) | 3K | $33.94 | $100K |
| Aug 24, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Option exercise(M) | 6K | — | $0 |
| Aug 24, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Tax withholding(F) | 1K | $33.94 | $37K |
| Aug 24, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Option exercise(M) | 2K | — | $0 |
| Aug 24, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Tax withholding(F) | 562 | $33.94 | $19K |
| Aug 24, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Option exercise(M) | 1K | — | $0 |
| Aug 21, 2026 | Brown Matthew Charles | Chief Financial Officer | Option exercise(M) | 15K | — | $0 |
| Aug 21, 2026 | Brown Matthew Charles | Chief Financial Officer | Tax withholding(F) | 7K | $34.38 | $254K |
| Aug 21, 2026 | Brown Matthew Charles | Chief Financial Officer | Option exercise(M) | 15K | — | $0 |
| Aug 19, 2026 | Zecher Linda Kay | Director | Sell(S) | 690 | $35.76 | $25K |
| Aug 18, 2026 | Zecher Linda Kay | Director | Sell(S) | 700 | $35.46 | $25K |
| Aug 7, 2026 | Vicks Raymond Jr. | Director | Sell(S) | 2K | $35.94 | $65K |
| Aug 7, 2026 | Zecher Linda Kay | Director | Sell(S) | 550 | $36.50 | $20K |
| Aug 5, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Option exercise(M) | 423K | $16.21 | $6.9M |
| Aug 5, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Tax withholding(F) | 301K | $36.48 | $11.0M |
| Aug 5, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Option exercise(M) | 423K | — | $0 |
| Aug 4, 2026 | Zecher Linda Kay | Director | Sell(S) | 600 | $36.00 | $22K |
| Aug 3, 2026 | Zecher Linda Kay | Director | Sell(S) | 1K | $34.00 | $50K |
| Jun 15, 2026 | Keane Margaret M | Director | Option exercise(M) | 3K | — | $0 |
| Jun 15, 2026 | Keane Margaret M | Director | Option exercise(M) | 3K | — | $0 |
| May 22, 2026 | Anschutz Barron | Insider | Option exercise(M) | 1K | — | $0 |
| May 22, 2026 | Anschutz Barron | Insider | Tax withholding(F) | 640 | $25.45 | $16K |
| May 22, 2026 | Anschutz Barron | Insider | Option exercise(M) | 1K | — | $0 |
| May 22, 2026 | Anschutz Barron | Insider | Tax withholding(F) | 602 | $25.45 | $15K |
| May 22, 2026 | Anschutz Barron | Insider | Option exercise(M) | 2K | — | $0 |
| May 22, 2026 | Anschutz Barron | Insider | Tax withholding(F) | 779 | $25.45 | $20K |
| May 22, 2026 | Anschutz Barron | Insider | Option exercise(M) | 1K | — | $0 |
| May 22, 2026 | Anschutz Barron | Insider | Option exercise(M) | 1K | — | $0 |
| May 22, 2026 | Anschutz Barron | Insider | Option exercise(M) | 2K | — | $0 |
| May 22, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Option exercise(M) | 2K | — | $0 |
| May 22, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Tax withholding(F) | 764 | $25.45 | $19K |
| May 22, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Option exercise(M) | 2K | — | $0 |
| May 22, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Tax withholding(F) | 1K | $25.45 | $29K |
| May 22, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Option exercise(M) | 6K | — | $0 |
| May 22, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Tax withholding(F) | 3K | $25.45 | $74K |
| May 22, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Option exercise(M) | 5K | — | $0 |
| May 22, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Tax withholding(F) | 2K | $25.45 | $62K |
| May 22, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Option exercise(M) | 8K | — | $0 |
| May 22, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Tax withholding(F) | 4K | $25.45 | $95K |
| May 22, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Option exercise(M) | 5K | — | $0 |
| May 22, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Tax withholding(F) | 2K | $25.45 | $55K |
| May 22, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Option exercise(M) | 2K | — | $0 |
| May 22, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Option exercise(M) | 2K | — | $0 |
| May 22, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Option exercise(M) | 6K | — | $0 |
| May 22, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Option exercise(M) | 5K | — | $0 |
| May 22, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Option exercise(M) | 8K | — | $0 |
| May 22, 2026 | Vintz Stephen A | Co-Chief Executive Officer, Director | Option exercise(M) | 5K | — | $0 |
| May 22, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Option exercise(M) | 1K | — | $0 |
| May 22, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Tax withholding(F) | 562 | $25.45 | $14K |
| May 22, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Option exercise(M) | 2K | — | $0 |
| May 22, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Tax withholding(F) | 1K | $25.45 | $28K |
| May 22, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Option exercise(M) | 6K | — | $0 |
| May 22, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Tax withholding(F) | 3K | $25.45 | $75K |
| May 22, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Option exercise(M) | 4K | — | $0 |
| May 22, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Tax withholding(F) | 2K | $25.45 | $46K |
| May 22, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Option exercise(M) | 8K | — | $0 |
| May 22, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Tax withholding(F) | 4K | $25.45 | $96K |
| May 22, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Option exercise(M) | 4K | — | $0 |
| May 22, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Tax withholding(F) | 2K | $25.45 | $54K |
| May 22, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Option exercise(M) | 1K | — | $0 |
| May 22, 2026 | Thurmond Mark C. | Co-Chief Executive Officer, Director | Option exercise(M) | 2K | — | $0 |
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.
Coverage: Form 4 filings indexed 2006-01-02 → 2026-09-02. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).
Connected pages for TENB