The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Thurmond Mark C. since 2022.
This trader's CIK number is 1651579.
At the time of last reporting, Thurmond Mark C. was the Co-Chief Executive Officer of Tenable Holdings, Inc.. (stock ticker symbol TENB).
Also see all insider trading activities at Tenable Holdings, Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | TENB | 0 | $0 | 54,910 | $1,803,319 | 121,241 | $0 |
| 2024 | TENB | 0 | $0 | 90,753 | $4,296,918 | 81,472 | $0 |
| 2023 | TENB | 0 | $0 | 65,304 | $2,734,762 | 107,185 | $0 |
| 2022 | TENB | 0 | $0 | 4,561 | $175,791 | 4,561 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-08-26 | TENB | Sale | 2,541 | 29.84 | 75,823 |
| 2025-08-22 | TENB | Option Ex | 58,095 | .00 | 0 |
| 2025-08-25 | TENB | Option Ex | 5,220 | .00 | 0 |
| 2025-08-25 | TENB | Sale | 28,500 | 30.25 | 862,125 |
| 2025-05-27 | TENB | Sale | 2,483 | 32.45 | 80,573 |
| 2025-05-22 | TENB | Option Ex | 11,510 | .00 | 0 |
| 2025-05-23 | TENB | Sale | 5,577 | 31.98 | 178,352 |
| 2025-05-23 | TENB | Option Ex | 5,220 | .00 | 0 |
| 2025-02-27 | TENB | Sale | 5,984 | 38.16 | 228,349 |
| 2025-02-26 | TENB | Sale | 4,878 | 38.19 | 186,290 |
| 2025-02-24 | TENB | Option Ex | 36,635 | .00 | 0 |
| 2025-02-25 | TENB | Sale | 3,606 | 38.48 | 138,758 |
| 2025-02-18 | TENB | Option Ex | 4,561 | .00 | 0 |
| 2025-02-19 | TENB | Sale | 1,341 | 39.56 | 53,049 |
| 2024-11-27 | TENB | Sale | 939 | 42.95 | 40,330 |
| 2024-11-26 | TENB | Sale | 3,423 | 42.59 | 145,768 |
| 2024-11-25 | TENB | Option Ex | 5,220 | .00 | 0 |
| 2024-11-25 | TENB | Sale | 2,343 | 42.74 | 100,139 |
| 2024-11-22 | TENB | Option Ex | 4,874 | .00 | 0 |
| 2024-11-20 | TENB | Sale | 823 | 40.71 | 33,504 |
| 2024-11-18 | TENB | Option Ex | 4,561 | .00 | 0 |
| 2024-11-19 | TENB | Sale | 2,209 | 40.72 | 89,950 |
| 2024-08-27 | TENB | Sale | 951 | 41.03 | 39,019 |
| 2024-08-26 | TENB | Sale | 3,383 | 41.57 | 140,631 |
| 2024-08-22 | TENB | Option Ex | 4,874 | .00 | 0 |
| 2024-08-23 | TENB | Option Ex | 5,220 | .00 | 0 |
| 2024-08-23 | TENB | Sale | 2,357 | 41.54 | 97,909 |
| 2024-08-20 | TENB | Sale | 2,224 | 42.36 | 94,208 |
| 2024-08-19 | TENB | Option Ex | 4,561 | .00 | 0 |
| 2024-07-30 | TENB | Sale | 4,700 | 49.01 | 230,347 |
| 2024-05-23 | TENB | Sale | 2,371 | 43.18 | 102,379 |
| 2024-05-23 | TENB | Option Ex | 5,219 | .00 | 0 |
| 2024-05-24 | TENB | Sale | 3,381 | 43.21 | 146,093 |
| 2024-05-20 | TENB | Sale | 2,219 | 43.76 | 97,103 |
| 2024-05-17 | TENB | Option Ex | 4,561 | .00 | 0 |
| 2024-03-20 | TENB | Sale | 10,824 | 49.00 | 530,376 |
| 2024-02-27 | TENB | Sale | 3,478 | 47.47 | 165,100 |
| 2024-02-28 | TENB | Sale | 3,644 | 46.81 | 170,575 |
| 2024-02-26 | TENB | Sale | 7,110 | 47.72 | 339,289 |
| 2024-02-23 | TENB | Option Ex | 5,219 | .00 | 0 |
| 2024-02-23 | TENB | Sale | 1,684 | 47.67 | 80,276 |
| 2024-02-20 | TENB | Option Ex | 4,561 | .00 | 0 |
| 2024-02-22 | TENB | Option Ex | 19,499 | .00 | 0 |
| 2024-02-21 | TENB | Sale | 1,450 | 46.22 | 67,019 |
| 2024-02-22 | TENB | Sale | 1,089 | 47.73 | 51,977 |
| 2024-02-07 | TENB | Sale | 26,175 | 51.45 | 1,346,703 |
| 2024-02-06 | TENB | Sale | 3,976 | 47.34 | 188,223 |
| 2024-02-05 | TENB | Option Ex | 13,103 | .00 | 0 |
| 2023-11-28 | TENB | Sale | 951 | 42.06 | 39,999 |
| 2023-11-22 | TENB | Sale | 827 | 40.00 | 33,080 |
| 2023-11-27 | TENB | Sale | 2,501 | 40.02 | 100,090 |
| 2023-11-24 | TENB | Option Ex | 5,218 | .00 | 0 |
| 2023-11-17 | TENB | Option Ex | 4,561 | .00 | 0 |
| 2023-11-20 | TENB | Sale | 2,197 | 39.65 | 87,111 |
| 2023-11-17 | TENB | Sale | 2,357 | 40.00 | 94,280 |
| 2023-11-06 | TENB | Sale | 6,368 | 36.93 | 235,170 |
| 2023-11-03 | TENB | Option Ex | 13,103 | .00 | 0 |
| 2023-08-25 | TENB | Sale | 921 | 42.73 | 39,354 |
| 2023-08-22 | TENB | Sale | 12,531 | 45.18 | 566,150 |
| 2023-08-23 | TENB | Option Ex | 5,218 | .00 | 0 |
| 2023-08-24 | TENB | Sale | 2,584 | 43.42 | 112,197 |
| 2023-08-17 | TENB | Option Ex | 4,561 | .00 | 0 |
| 2023-08-18 | TENB | Sale | 2,195 | 44.44 | 97,545 |
| 2023-08-03 | TENB | Option Ex | 13,103 | .00 | 0 |
| 2023-08-04 | TENB | Sale | 6,396 | 47.09 | 301,187 |
| 2023-05-24 | TENB | Sale | 2,516 | 37.54 | 94,450 |
| 2023-05-23 | TENB | Option Ex | 5,218 | .00 | 0 |
| 2023-05-17 | TENB | Option Ex | 4,561 | .00 | 0 |
| 2023-05-18 | TENB | Sale | 2,203 | 38.28 | 84,330 |
| 2023-05-03 | TENB | Option Ex | 13,102 | .00 | 0 |
| 2023-05-04 | TENB | Sale | 6,245 | 35.18 | 219,699 |
| 2023-02-27 | TENB | Sale | 2,472 | 44.02 | 108,817 |
| 2023-02-28 | TENB | Sale | 2,464 | 44.15 | 108,785 |
| 2023-02-24 | TENB | Sale | 4,204 | 42.98 | 180,687 |
| 2023-02-23 | TENB | Option Ex | 20,877 | .00 | 0 |
| 2023-02-21 | TENB | Sale | 1,370 | 42.88 | 58,745 |
| 2023-02-17 | TENB | Option Ex | 4,561 | .00 | 0 |
| 2023-02-03 | TENB | Option Ex | 13,102 | .00 | 0 |
| 2023-02-06 | TENB | Sale | 4,002 | 43.25 | 173,086 |
| 2022-11-17 | TENB | Option Ex | 4,561 | .00 | 0 |
| 2022-11-18 | TENB | Sale | 1,996 | 38.61 | 77,065 |
| 2022-11-21 | TENB | Sale | 2,565 | 38.49 | 98,726 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Thurmond Mark C. (Co-Chief Executive Officer of Tenable Holdings, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.