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- Thurmond Mark C.
Thurmond Mark C.
Co-Chief Executive Officer of TENB
Co-CEO,Chief Operating Officer of TENB
Chief Operating Officer of TENB
Stock Insider Trading Activity of Thurmond Mark C.
Co-Chief Executive Officer
Avg Cost/Share
$29.84
Shares
2,541
Total Value
$75,823.44
Owned After
105,001
SEC Form 4
Co-Chief Executive Officer
Avg Cost/Share
$30.25
Shares
28,500
Total Value
$862,125.00
Owned After
105,001
SEC Form 4
Co-Chief Executive Officer
Avg Cost/Share
$32.45
Shares
2,483
Total Value
$80,573.35
Owned After
105,001
SEC Form 4
Co-Chief Executive Officer
Avg Cost/Share
$31.98
Shares
5,577
Total Value
$178,352.46
Owned After
105,001
SEC Form 4
Co-CEO,Chief Operating Officer
Avg Cost/Share
$38.18
Shares
10,862
Total Value
$414,640.26
Owned After
105,001
Co-CEO,Chief Operating Officer
Avg Cost/Share
$38.48
Shares
3,606
Total Value
$138,758.88
Owned After
105,001
SEC Form 4
Co-CEO,Chief Operating Officer
Avg Cost/Share
$39.56
Shares
1,341
Total Value
$53,049.96
Owned After
105,001
SEC Form 4
Chief Operating Officer
Avg Cost/Share
$42.95
Shares
939
Total Value
$40,330.05
Owned After
105,001
SEC Form 4
Chief Operating Officer
Avg Cost/Share
$42.59
Shares
3,423
Total Value
$145,727.18
Owned After
105,001
Chief Operating Officer
Avg Cost/Share
$42.74
Shares
2,343
Total Value
$100,139.82
Owned After
105,001
SEC Form 4
Chief Operating Officer
Avg Cost/Share
$40.71
Shares
823
Total Value
$33,504.33
Owned After
105,001
SEC Form 4
Chief Operating Officer
Avg Cost/Share
$40.72
Shares
2,209
Total Value
$89,950.48
Owned After
105,001
SEC Form 4
Chief Operating Officer
Avg Cost/Share
$41.39
Shares
4,334
Total Value
$179,942.62
Owned After
105,001
Chief Operating Officer
Avg Cost/Share
$41.54
Shares
2,357
Total Value
$97,909.78
Owned After
105,001
SEC Form 4
Chief Operating Officer
Avg Cost/Share
$42.17
Shares
818
Total Value
$34,495.06
Owned After
105,001
SEC Form 4
Chief Operating Officer
Avg Cost/Share
$42.36
Shares
2,224
Total Value
$94,208.64
Owned After
105,001
SEC Form 4
Chief Operating Officer
Avg Cost/Share
$49.01
Shares
4,700
Total Value
$230,347.00
Owned After
105,001
SEC Form 4
Chief Operating Officer
Avg Cost/Share
$43.97
Shares
949
Total Value
$41,727.53
Owned After
105,001
SEC Form 4
Chief Operating Officer
Avg Cost/Share
$43.20
Shares
5,752
Total Value
$248,913.16
Owned After
105,001
Chief Operating Officer
Avg Cost/Share
$43.55
Shares
820
Total Value
$35,711.00
Owned After
105,001
SEC Form 4
Chief Operating Officer
Avg Cost/Share
$43.76
Shares
2,219
Total Value
$97,103.44
Owned After
105,001
SEC Form 4
Chief Operating Officer
Avg Cost/Share
$49.00
Shares
10,824
Total Value
$530,376.00
Owned After
105,001
SEC Form 4
Chief Operating Officer
Avg Cost/Share
$47.25
Shares
7,122
Total Value
$335,637.66
Owned After
105,001
Chief Operating Officer
Avg Cost/Share
$47.70
Shares
8,794
Total Value
$419,565.48
Owned After
105,001
Chief Operating Officer
Avg Cost/Share
$46.97
Shares
2,539
Total Value
$118,996.97
Owned After
105,001
Chief Operating Officer
Avg Cost/Share
$51.45
Shares
26,175
Total Value
$1,346,703.75
Owned After
105,001
SEC Form 4
Chief Operating Officer
Avg Cost/Share
$47.34
Shares
3,976
Total Value
$188,223.84
Owned After
105,001
SEC Form 4
Chief Operating Officer
Avg Cost/Share
$42.06
Shares
951
Total Value
$39,999.06
Owned After
105,001
SEC Form 4
Chief Operating Officer
Avg Cost/Share
$39.83
Shares
4,554
Total Value
$181,391.05
Owned After
105,001
Chief Operating Officer
Avg Cost/Share
$36.93
Shares
6,368
Total Value
$235,170.24
Owned After
105,001
SEC Form 4
| Insider | Ticker | Relationship | Date | Transaction | Avg Cost | Shares | Total Value | Owned After | SEC Forms |
|---|---|---|---|---|---|---|---|---|---|
| Thurmond Mark C. | TENB | Co-Chief Executive Officer | Aug 26, 2025 | Sell | $29.84 | 2,541 | $75,823.44 | 105,001 | |
| Thurmond Mark C. | TENB | Co-Chief Executive Officer | Aug 25, 2025 | Sell | $30.25 | 28,500 | $862,125.00 | 105,001 | |
| Thurmond Mark C. | TENB | Co-Chief Executive Officer | May 27, 2025 | Sell | $32.45 | 2,483 | $80,573.35 | 105,001 | |
| Thurmond Mark C. | TENB | Co-Chief Executive Officer | May 22, 2025 | Sell | $31.98 | 5,577 | $178,352.46 | 105,001 | |
| Thurmond Mark C. | TENB | Co-CEO,Chief Operating Officer | Feb 26, 2025 | Sell | $38.18 | 10,862 | $414,640.26 | 105,001 | |
| Thurmond Mark C. | TENB | Co-CEO,Chief Operating Officer | Feb 21, 2025 | Sell | $38.48 | 3,606 | $138,758.88 | 105,001 | |
| Thurmond Mark C. | TENB | Co-CEO,Chief Operating Officer | Feb 18, 2025 | Sell | $39.56 | 1,341 | $53,049.96 | 105,001 | |
| Thurmond Mark C. | TENB | Chief Operating Officer | Nov 27, 2024 | Sell | $42.95 | 939 | $40,330.05 | 105,001 | |
| Thurmond Mark C. | TENB | Chief Operating Officer | Nov 26, 2024 | Sell | $42.59 | 3,423 | $145,727.18 | 105,001 | |
| Thurmond Mark C. | TENB | Chief Operating Officer | Nov 22, 2024 | Sell | $42.74 | 2,343 | $100,139.82 | 105,001 | |
| Thurmond Mark C. | TENB | Chief Operating Officer | Nov 20, 2024 | Sell | $40.71 | 823 | $33,504.33 | 105,001 | |
| Thurmond Mark C. | TENB | Chief Operating Officer | Nov 18, 2024 | Sell | $40.72 | 2,209 | $89,950.48 | 105,001 | |
| Thurmond Mark C. | TENB | Chief Operating Officer | Aug 26, 2024 | Sell | $41.39 | 4,334 | $179,942.62 | 105,001 | |
| Thurmond Mark C. | TENB | Chief Operating Officer | Aug 22, 2024 | Sell | $41.54 | 2,357 | $97,909.78 | 105,001 | |
| Thurmond Mark C. | TENB | Chief Operating Officer | Aug 21, 2024 | Sell | $42.17 | 818 | $34,495.06 | 105,001 | |
| Thurmond Mark C. | TENB | Chief Operating Officer | Aug 19, 2024 | Sell | $42.36 | 2,224 | $94,208.64 | 105,001 | |
| Thurmond Mark C. | TENB | Chief Operating Officer | Jul 30, 2024 | Sell | $49.01 | 4,700 | $230,347.00 | 105,001 | |
| Thurmond Mark C. | TENB | Chief Operating Officer | May 28, 2024 | Sell | $43.97 | 949 | $41,727.53 | 105,001 | |
| Thurmond Mark C. | TENB | Chief Operating Officer | May 23, 2024 | Sell | $43.20 | 5,752 | $248,913.16 | 105,001 | |
| Thurmond Mark C. | TENB | Chief Operating Officer | May 21, 2024 | Sell | $43.55 | 820 | $35,711.00 | 105,001 | |
| Thurmond Mark C. | TENB | Chief Operating Officer | May 17, 2024 | Sell | $43.76 | 2,219 | $97,103.44 | 105,001 | |
| Thurmond Mark C. | TENB | Chief Operating Officer | Mar 20, 2024 | Sell | $49.00 | 10,824 | $530,376.00 | 105,001 | |
| Thurmond Mark C. | TENB | Chief Operating Officer | Feb 27, 2024 | Sell | $47.25 | 7,122 | $335,637.66 | 105,001 | |
| Thurmond Mark C. | TENB | Chief Operating Officer | Feb 23, 2024 | Sell | $47.70 | 8,794 | $419,565.48 | 105,001 | |
| Thurmond Mark C. | TENB | Chief Operating Officer | Feb 20, 2024 | Sell | $46.97 | 2,539 | $118,996.97 | 105,001 | |
| Thurmond Mark C. | TENB | Chief Operating Officer | Feb 7, 2024 | Sell | $51.45 | 26,175 | $1,346,703.75 | 105,001 | |
| Thurmond Mark C. | TENB | Chief Operating Officer | Feb 5, 2024 | Sell | $47.34 | 3,976 | $188,223.84 | 105,001 | |
| Thurmond Mark C. | TENB | Chief Operating Officer | Nov 28, 2023 | Sell | $42.06 | 951 | $39,999.06 | 105,001 | |
| Thurmond Mark C. | TENB | Chief Operating Officer | Nov 17, 2023 | Sell | $39.83 | 4,554 | $181,391.05 | 105,001 | |
| Thurmond Mark C. | TENB | Chief Operating Officer | Nov 3, 2023 | Sell | $36.93 | 6,368 | $235,170.24 | 105,001 |