Mark C. Thurmond
Director, Co-Chief Executive Officer · 4 filings · Latest: Aug 24, 2026
Tenable Holdings, Inc.
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|
TENB | Mark C. Thurmond | Director, Co-Chief Executive Officer | Aug 24, 2026 | Option Exercise | $0.00 | 25,369 | — | 197,401 | |
TENB | Mark C. Thurmond | Director, Co-Chief Executive Officer | May 22, 2026 | Option Exercise | $0.00 | 25,369 | — | 184,300 | |
TENB | Mark C. Thurmond | Director, Co-Chief Executive Officer | Feb 25, 2026 | Option Exercise | $0.00 | 24,381 | — | 180,056 | |
TENB | Mark C. Thurmond | Director, Co-Chief Executive Officer | Feb 23, 2026 | Option Exercise | $0.00 | 63,318 | — | 156,958 | |
TENB | Thurmond Mark C. | — | Aug 26, 2025 | Proposed Sale | $29.84 | 2,541 | $75.8K | — | |
TENB | Thurmond Mark C. | — | Aug 25, 2025 | Proposed Sale | $30.25 | 28,500 | $862.2K | — | |
TENB | Thurmond Mark C. | — | May 27, 2025 | Proposed Sale | $32.45 | 2,483 | $80.6K | — | |
TENB | Thurmond Mark C. | — | May 23, 2025 | Proposed Sale | $31.98 | 5,577 | $178.4K | — | |
TENB | Thurmond Mark C. | — | Feb 27, 2025 | Proposed Sale | $38.16 | 5,984 | $228.4K | — | |
TENB | Thurmond Mark C. | — | Feb 26, 2025 | Proposed Sale | $38.19 | 4,878 | $186.3K | — | |
TENB | Thurmond Mark C. | — | Feb 25, 2025 | Proposed Sale | $38.48 | 3,606 | $138.8K | — | |
TENB | Thurmond Mark C. | — | Feb 19, 2025 | Proposed Sale | $39.56 | 1,341 | $53.1K | — | |
TENB | Thurmond Mark C. | — | Nov 27, 2024 | Proposed Sale | $42.95 | 939 | $40.3K | — | |
TENB | Thurmond Mark C. | — | Nov 26, 2024 | Proposed Sale | $42.56 | 2,537 | $108.0K | — | |
TENB | Thurmond Mark C. | — | Nov 26, 2024 | Proposed Sale | $42.61 | 886 | $37.8K | — | |
TENB | Thurmond Mark C. | — | Nov 25, 2024 | Proposed Sale | $42.74 | 2,343 | $100.1K | — | |
TENB | Thurmond Mark C. | — | Nov 20, 2024 | Proposed Sale | $40.71 | 823 | $33.5K | — | |
TENB | Thurmond Mark C. | — | Nov 19, 2024 | Proposed Sale | $40.72 | 2,209 | $89.9K | — | |
TENB | Thurmond Mark C. | — | Aug 27, 2024 | Proposed Sale | $41.03 | 951 | $39.0K | — | |
TENB | Thurmond Mark C. | — | Aug 26, 2024 | Proposed Sale | $41.75 | 2,502 | $104.4K | — |
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