PAGEInsider
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| TENB | Thurmond Mark C. | Co-Chief Executive Officer | May 22 '26 | Option Exercise | 0.00 | 25,369 | 0 | 184,300 | May 26 |
| TENB | Thurmond Mark C. | Co-Chief Executive Officer | Feb 25 '26 | Option Exercise | 0.00 | 24,381 | 0 | 180,056 | Feb 27 |
| TENB | Thurmond Mark C. | Co-Chief Executive Officer | Feb 23 '26 | Option Exercise | 0.00 | 63,318 | 0 | 168,225 | Feb 25 |
| TENB | Thurmond Mark C. | Co-Chief Executive Officer | Nov 24 '25 | Option Exercise | 0.00 | 16,730 | 0 | 115,751 | Nov 25 |
| TENB | Thurmond Mark C. | Co-Chief Executive Officer | Aug 26 '25 | Sale | 29.84 | 2,541 | 75,823 | 105,001 | Aug 27 |
| TENB | Thurmond Mark C. | Co-Chief Executive Officer | Aug 25 '25 | Option Exercise | 0.00 | 5,220 | 0 | 107,542 | Aug 26 |
| TENB | Thurmond Mark C. | Co-Chief Executive Officer | Aug 25 '25 | Sale | 30.25 | 28,500 | 862,125 | 102,322 | Aug 26 |
| TENB | Thurmond Mark C. | Co-Chief Executive Officer | Aug 22 '25 | Option Exercise | 0.00 | 58,095 | 0 | 130,822 | Aug 26 |
| TENB | Thurmond Mark C. | Co-Chief Executive Officer | May 27 '25 | Sale | 32.45 | 2,483 | 80,573 | 72,727 | May 29 |
| TENB | Thurmond Mark C. | Co-Chief Executive Officer | May 23 '25 | Option Exercise | 0.00 | 5,220 | 0 | 80,163 | May 27 |
| TENB | Thurmond Mark C. | Co-Chief Executive Officer | May 23 '25 | Sale | 31.98 | 5,577 | 178,352 | 75,210 | May 27 |
| TENB | Thurmond Mark C. | Co-Chief Executive Officer | May 22 '25 | Option Exercise | 0.00 | 11,510 | 0 | 74,943 | May 27 |
| TENB | Thurmond Mark C. | Co-CEO,Chief Operating Officer | Feb 27 '25 | Sale | 38.16 | 5,984 | 228,349 | 63,433 | Feb 28 |
| TENB | Thurmond Mark C. | Co-CEO,Chief Operating Officer | Feb 26 '25 | Sale | 38.19 | 4,878 | 186,291 | 69,417 | Feb 28 |
| TENB | Thurmond Mark C. | Co-CEO,Chief Operating Officer | Feb 25 '25 | Sale | 38.48 | 3,606 | 138,759 | 74,295 | Feb 26 |
| TENB | Thurmond Mark C. | Co-CEO,Chief Operating Officer | Feb 24 '25 | Option Exercise | 0.00 | 36,635 | 0 | 77,901 | Feb 26 |
| TENB | Thurmond Mark C. | Co-CEO,Chief Operating Officer | Feb 19 '25 | Sale | 39.56 | 1,341 | 53,050 | 41,266 | Feb 20 |
| TENB | Thurmond Mark C. | Co-CEO,Chief Operating Officer | Feb 18 '25 | Option Exercise | 0.00 | 4,561 | 0 | 42,607 | Feb 20 |
| TENB | Thurmond Mark C. | Chief Operating Officer | Nov 27 '24 | Sale | 42.95 | 939 | 40,330 | 38,046 | Dec 02 |
| TENB | Thurmond Mark C. | Chief Operating Officer | Nov 26 '24 | Sale | 42.57 | 3,423 | 145,727 | 38,985 | Nov 27 |
| TENB | Thurmond Mark C. | Chief Operating Officer | Nov 25 '24 | Option Exercise | 0.00 | 5,220 | 0 | 42,408 | Nov 26 |
| TENB | Thurmond Mark C. | Chief Operating Officer | Nov 25 '24 | Sale | 42.74 | 2,343 | 100,140 | 37,188 | Nov 26 |
| TENB | Thurmond Mark C. | Chief Operating Officer | Nov 22 '24 | Option Exercise | 0.00 | 4,874 | 0 | 39,531 | Nov 26 |
| TENB | Thurmond Mark C. | Chief Operating Officer | Nov 20 '24 | Sale | 40.71 | 823 | 33,504 | 34,657 | Nov 22 |
| TENB | Thurmond Mark C. | Chief Operating Officer | Nov 19 '24 | Sale | 40.72 | 2,209 | 89,950 | 35,480 | Nov 20 |
| TENB | Thurmond Mark C. | Chief Operating Officer | Nov 18 '24 | Option Exercise | 0.00 | 4,561 | 0 | 37,689 | Nov 20 |
| TENB | Thurmond Mark C. | Chief Operating Officer | Aug 27 '24 | Sale | 41.03 | 951 | 39,020 | 33,128 | Aug 28 |
| TENB | Thurmond Mark C. | Chief Operating Officer | Aug 26 '24 | Sale | 41.66 | 3,383 | 140,924 | 34,079 | Aug 28 |
| TENB | Thurmond Mark C. | Chief Operating Officer | Aug 23 '24 | Option Exercise | 0.00 | 5,220 | 0 | 37,462 | Aug 26 |
| TENB | Thurmond Mark C. | Chief Operating Officer | Aug 23 '24 | Sale | 41.54 | 2,357 | 97,910 | 32,242 | Aug 26 |
| TENB | Thurmond Mark C. | Chief Operating Officer | Aug 22 '24 | Option Exercise | 0.00 | 4,874 | 0 | 34,599 | Aug 26 |
| TENB | Thurmond Mark C. | Chief Operating Officer | Aug 21 '24 | Sale | 42.17 | 818 | 34,495 | 29,725 | Aug 22 |
| TENB | Thurmond Mark C. | Chief Operating Officer | Aug 20 '24 | Sale | 42.36 | 2,224 | 94,209 | 30,543 | Aug 21 |
| TENB | Thurmond Mark C. | Chief Operating Officer | Aug 19 '24 | Option Exercise | 0.00 | 4,561 | 0 | 32,767 | Aug 21 |
| TENB | Thurmond Mark C. | Chief Operating Officer | Jul 30 '24 | Sale | 49.01 | 4,700 | 230,347 | 28,206 | Aug 01 |
| TENB | Thurmond Mark C. | Chief Operating Officer | May 28 '24 | Sale | 43.97 | 949 | 41,728 | 32,906 | May 29 |
| TENB | Thurmond Mark C. | Chief Operating Officer | May 24 '24 | Sale | 43.34 | 3,381 | 146,534 | 33,855 | May 28 |
| TENB | Thurmond Mark C. | Chief Operating Officer | May 23 '24 | Sale | 43.18 | 2,371 | 102,380 | 32,017 | May 28 |
| TENB | Thurmond Mark C. | Chief Operating Officer | May 23 '24 | Option Exercise | 0.00 | 5,219 | 0 | 37,236 | May 28 |