Thurmond Mark C.
CIK 1651579
Transactions on file
52
Tickers traded
Recent activity
| Filed | Txn date | Issuer | Roles | Code | Shares | Value | % since Filing | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-05-26 | 2026-05-22 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Tax | 2,112 | $53.8K | +4.9% | open → |
| 2026-05-26 | 2026-05-22 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Exer. | 4,368 | $0.00 | — | open → |
| 2026-05-26 | 2026-05-22 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Tax | 3,754 | $95.5K | +4.9% | open → |
| 2026-05-26 | 2026-05-22 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Exer. | 7,764 | $0.00 | — | open → |
| 2026-05-26 | 2026-05-22 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Tax | 1,796 | $45.7K | +4.9% | open → |
| 2026-05-26 | 2026-05-22 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Exer. | 3,713 | $0.00 | — | open → |
| 2026-05-26 | 2026-05-22 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Tax | 2,947 | $75.0K | +4.9% | open → |
| 2026-05-26 | 2026-05-22 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Exer. | 6,095 | $0.00 | — | open → |
| 2026-05-26 | 2026-05-22 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Tax | 1,097 | $27.9K | +4.9% | open → |
| 2026-05-26 | 2026-05-22 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Exer. | 2,267 | $0.00 | — | open → |
| 2026-05-26 | 2026-05-22 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Tax | 562 | $14.3K | +4.9% | open → |
| 2026-05-26 | 2026-05-22 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Exer. | 1,162 | $0.00 | — | open → |
| 2025-02-20 | 2025-02-18 | TENB Tenable Holdings, Inc. | Officer Co-CEO,Chief Operating Officer | Exer. | 4,561 | $0.00 | — | open → |
| 2025-02-20 | 2025-02-19 | TENB Tenable Holdings, Inc. | Officer Co-CEO,Chief Operating Officer | Sale | 1,341 | $53.0K | -32.5% | open → |
| 2025-02-26 | 2025-02-24 | TENB Tenable Holdings, Inc. | Officer Co-CEO,Chief Operating Officer | Exer. | 1,363 | $0.00 | — | open → |
| 2025-02-26 | 2025-02-24 | TENB Tenable Holdings, Inc. | Officer Co-CEO,Chief Operating Officer | Exer. | 1,161 | $0.00 | — | open → |
| 2025-02-26 | 2025-02-24 | TENB Tenable Holdings, Inc. | Officer Co-CEO,Chief Operating Officer | Exer. | 9,069 | $0.00 | — | open → |
| 2025-02-26 | 2025-02-24 | TENB Tenable Holdings, Inc. | Officer Co-CEO,Chief Operating Officer | Exer. | 3,857 | $0.00 | — | open → |
| 2025-02-26 | 2025-02-24 | TENB Tenable Holdings, Inc. | Officer Co-CEO,Chief Operating Officer | Exer. | 3,713 | $0.00 | — | open → |
| 2025-02-26 | 2025-02-24 | TENB Tenable Holdings, Inc. | Officer Co-CEO,Chief Operating Officer | Exer. | 17,472 | $0.00 | — | open → |
| 2025-02-26 | 2025-02-25 | TENB Tenable Holdings, Inc. | Officer Co-CEO,Chief Operating Officer | Sale | 3,606 | $138.8K | -30.6% | open → |
| 2025-02-28 | 2025-02-26 | TENB Tenable Holdings, Inc. | Officer Co-CEO,Chief Operating Officer | Sale | 4,878 | $186.3K | -30.1% | open → |
| 2025-02-28 | 2025-02-27 | TENB Tenable Holdings, Inc. | Officer Co-CEO,Chief Operating Officer | Sale | 5,984 | $228.3K | -30.1% | open → |
| 2025-05-27 | 2025-05-23 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Sale | 5,577 | $178.4K | -16.5% | open → |
| 2025-05-27 | 2025-05-22 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Exer. | 1,162 | $0.00 | — | open → |
| 2025-05-27 | 2025-05-22 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Exer. | 2,267 | $0.00 | — | open → |
| 2025-05-27 | 2025-05-22 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Exer. | 3,713 | $0.00 | — | open → |
| 2025-05-27 | 2025-05-22 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Exer. | 4,368 | $0.00 | — | open → |
| 2025-05-27 | 2025-05-23 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Exer. | 1,363 | $0.00 | — | open → |
| 2025-05-27 | 2025-05-23 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Exer. | 3,857 | $0.00 | — | open → |
| 2025-05-29 | 2025-05-27 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Sale | 2,483 | $80.6K | -17.8% | open → |
| 2025-11-25 | 2025-11-24 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Tax | 2,112 | $54.2K | +3.9% | open → |
| 2025-11-25 | 2025-11-24 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Exer. | 4,368 | $0.00 | — | open → |
| 2025-11-25 | 2025-11-24 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Tax | 1,796 | $46.1K | +3.9% | open → |
| 2025-11-25 | 2025-11-24 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Exer. | 3,713 | $0.00 | — | open → |
| 2025-11-25 | 2025-11-24 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Tax | 1,865 | $47.9K | +3.9% | open → |
| 2025-11-25 | 2025-11-24 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Exer. | 3,857 | $0.00 | — | open → |
| 2025-11-25 | 2025-11-24 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Tax | 1,097 | $28.2K | +3.9% | open → |
| 2025-11-25 | 2025-11-24 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Exer. | 2,267 | $0.00 | — | open → |
| 2025-11-25 | 2025-11-24 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Tax | 562 | $14.4K | +3.9% | open → |
| 2025-11-25 | 2025-11-24 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Exer. | 1,162 | $0.00 | — | open → |
| 2025-11-25 | 2025-11-24 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Tax | 660 | $16.9K | +3.9% | open → |
| 2025-11-25 | 2025-11-24 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Exer. | 1,363 | $0.00 | — | open → |
| 2025-08-26 | 2025-08-22 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Exer. | 1,162 | $0.00 | — | open → |
| 2025-08-26 | 2025-08-25 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Exer. | 3,857 | $0.00 | — | open → |
| 2025-08-26 | 2025-08-25 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Exer. | 1,363 | $0.00 | — | open → |
| 2025-08-26 | 2025-08-25 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Sale | 28,500 | $862.1K | -11.8% | open → |
| 2025-08-26 | 2025-08-22 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Exer. | 4,368 | $0.00 | — | open → |
| 2025-08-26 | 2025-08-22 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Exer. | 46,585 | $0.00 | — | open → |
| 2025-08-26 | 2025-08-22 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Exer. | 3,713 | $0.00 | — | open → |
| 2025-08-26 | 2025-08-22 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Exer. | 2,267 | $0.00 | — | open → |
| 2025-08-27 | 2025-08-26 | TENB Tenable Holdings, Inc. | OfficerDirector Co-Chief Executive Officer | Sale | 2,541 | $75.8K | -10.6% | open → |
