Insider Trading
Current insider transactions (SEC Form 4) — buys and sells by officers, directors, and major shareholders.
| Ticker | Insider | Title | Date | Transaction | Price ($) | Shares | Value ($) | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|
| TENB | Thurmond Mark C. | Co-Chief Executive Officer | 08/24/2026 | Steuer-Abgabe | 33.94 | 2,112 | 71,681 | Form 4 |
| TENB | Thurmond Mark C. | Co-Chief Executive Officer | 08/24/2026 | Optionsausübung | — | 4,368 | — | Form 4 |
| TENB | Thurmond Mark C. | Co-Chief Executive Officer | 08/24/2026 | Steuer-Abgabe | 33.94 | 3,754 | 127,411 | Form 4 |
| TENB | Thurmond Mark C. | Co-Chief Executive Officer | 08/24/2026 | Optionsausübung | — | 7,764 | — | Form 4 |
| TENB | Thurmond Mark C. | Co-Chief Executive Officer | 08/24/2026 | Steuer-Abgabe | 33.94 | 1,796 | 60,956 | Form 4 |
| TENB | Thurmond Mark C. | Co-Chief Executive Officer | 08/24/2026 | Optionsausübung | — | 3,713 | — | Form 4 |
| TENB | Thurmond Mark C. | Co-Chief Executive Officer | 08/24/2026 | Steuer-Abgabe | 33.94 | 2,947 | 100,021 | Form 4 |
| TENB | Thurmond Mark C. | Co-Chief Executive Officer | 08/24/2026 | Optionsausübung | — | 6,095 | — | Form 4 |
| TENB | Thurmond Mark C. | Co-Chief Executive Officer | 08/24/2026 | Steuer-Abgabe | 33.94 | 1,097 | 37,232 | Form 4 |
| TENB | Thurmond Mark C. | Co-Chief Executive Officer | 08/24/2026 | Optionsausübung | — | 2,267 | — | Form 4 |
| TENB | Thurmond Mark C. | Co-Chief Executive Officer | 08/24/2026 | Steuer-Abgabe | 33.94 | 562 | 19,074 | Form 4 |
| TENB | Thurmond Mark C. | Co-Chief Executive Officer | 08/24/2026 | Optionsausübung | — | 1,162 | — | Form 4 |
| TENB | Vintz Stephen A | Co-Chief Executive Officer | 08/24/2026 | Steuer-Abgabe | 33.94 | 2,163 | 73,412 | Form 4 |
| TENB | Vintz Stephen A | Co-Chief Executive Officer | 08/24/2026 | Optionsausübung | — | 4,519 | — | Form 4 |
| TENB | Vintz Stephen A | Co-Chief Executive Officer | 08/24/2026 | Steuer-Abgabe | 33.94 | 3,716 | 126,121 | Form 4 |
| TENB | Vintz Stephen A | Co-Chief Executive Officer | 08/24/2026 | Optionsausübung | — | 7,764 | — | Form 4 |
| TENB | Vintz Stephen A | Co-Chief Executive Officer | 08/24/2026 | Steuer-Abgabe | 33.94 | 2,438 | 82,746 | Form 4 |
| TENB | Vintz Stephen A | Co-Chief Executive Officer | 08/24/2026 | Optionsausübung | — | 5,095 | — | Form 4 |
| TENB | Vintz Stephen A | Co-Chief Executive Officer | 08/24/2026 | Steuer-Abgabe | 33.94 | 2,917 | 99,003 | Form 4 |
| TENB | Vintz Stephen A | Co-Chief Executive Officer | 08/24/2026 | Optionsausübung | — | 6,095 | — | Form 4 |
| TENB | Vintz Stephen A | Co-Chief Executive Officer | 08/24/2026 | Steuer-Abgabe | 33.94 | 1,123 | 38,115 | Form 4 |
| TENB | Vintz Stephen A | Co-Chief Executive Officer | 08/24/2026 | Optionsausübung | — | 2,345 | — | Form 4 |
| TENB | Vintz Stephen A | Co-Chief Executive Officer | 08/24/2026 | Steuer-Abgabe | 33.94 | 764 | 25,930 | Form 4 |
| TENB | Vintz Stephen A | Co-Chief Executive Officer | 08/24/2026 | Optionsausübung | — | 1,595 | — | Form 4 |
| TENB | Anschutz Barron | Chief Accounting Officer | 08/24/2026 | Steuer-Abgabe | 33.94 | 780 | 26,473 | Form 4 |
| TENB | Anschutz Barron | Chief Accounting Officer | 08/24/2026 | Optionsausübung | — | 1,629 | — | Form 4 |
| TENB | Anschutz Barron | Chief Accounting Officer | 08/24/2026 | Steuer-Abgabe | 33.94 | 602 | 20,432 | Form 4 |
| TENB | Anschutz Barron | Chief Accounting Officer | 08/24/2026 | Optionsausübung | — | 1,258 | — | Form 4 |
| TENB | Anschutz Barron | Chief Accounting Officer | 08/24/2026 | Steuer-Abgabe | 33.94 | 640 | 21,722 | Form 4 |
| TENB | Anschutz Barron | Chief Accounting Officer | 08/24/2026 | Optionsausübung | — | 1,337 | — | Form 4 |
| TENB | Brown Matthew Charles | Chief Financial Officer | 08/21/2026 | Steuer-Abgabe | 34.38 | 7,400 | 254,412 | Form 4 |
| TENB | Brown Matthew Charles | Chief Financial Officer | 08/21/2026 | Optionsausübung | — | 14,544 | — | Form 4 |
| TENB | Zecher Linda Kay | Director | 08/19/2026 | Verkauf | 35.76 | 690 | 24,674 | Form 4 |
| TENB | Zecher Linda Kay | Director | 08/18/2026 | Verkauf | 35.46 | 700 | 24,822 | Form 4 |
| TENB | Vicks Raymond Jr. | Director | 08/07/2026 | Verkauf | 35.94 | 1,819 | 65,375 | Form 4 |
| TENB | Zecher Linda Kay | Director | 08/07/2026 | Verkauf | 36.50 | 550 | 20,075 | Form 4 |
| TENB | Vintz Stephen A | Co-Chief Executive Officer | 08/05/2026 | Steuer-Abgabe | 36.48 | 300,736 | 10,970,849 | Form 4 |
| TENB | Vintz Stephen A | Co-Chief Executive Officer | 08/05/2026 | Optionsausübung | 16.21 | 423,434 | 6,863,865 | Form 4 |
| TENB | Zecher Linda Kay | Director | 08/04/2026 | Verkauf | 36.00 | 600 | 21,600 | Form 4 |
| TENB | Zecher Linda Kay | Director | 08/03/2026 | Verkauf | 34.00 | 1,470 | 49,980 | Form 4 |
A compact market overview — not investment advice. Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q).