Thurmond Mark C.
Co-Chief Executive Officer · 49 insider transactions on file
All transactions
| Date | Ticker | Company | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-05-22 | TENB | Tenable Holdings, Inc. | Tax withholding | 3,754 | $25.45 | $95,539.30 | filing |
| 2026-05-22 | TENB | Tenable Holdings, Inc. | Tax withholding | 2,947 | $25.45 | $75,001.15 | filing |
| 2026-05-22 | TENB | Tenable Holdings, Inc. | Tax withholding | 2,112 | $25.45 | $53,750.40 | filing |
| 2026-05-22 | TENB | Tenable Holdings, Inc. | Tax withholding | 1,796 | $25.45 | $45,708.20 | filing |
| 2026-05-22 | TENB | Tenable Holdings, Inc. | Tax withholding | 1,097 | $25.45 | $27,918.65 | filing |
| 2026-05-22 | TENB | Tenable Holdings, Inc. | Tax withholding | 562 | $25.45 | $14,302.90 | filing |
| 2026-05-22 | TENB | Tenable Holdings, Inc. | Option exercise | 1,162 | $0.00 | $0.00 | filing |
| 2026-05-22 | TENB | Tenable Holdings, Inc. | Option exercise | 6,095 | $0.00 | $0.00 | filing |
| 2026-05-22 | TENB | Tenable Holdings, Inc. | Option exercise | 3,713 | $0.00 | $0.00 | filing |
| 2026-05-22 | TENB | Tenable Holdings, Inc. | Option exercise | 7,764 | $0.00 | $0.00 | filing |
| 2026-05-22 | TENB | Tenable Holdings, Inc. | Option exercise | 4,368 | $0.00 | $0.00 | filing |
| 2026-05-22 | TENB | Tenable Holdings, Inc. | Option exercise | 2,267 | $0.00 | $0.00 | filing |
| 2026-02-25 | TENB | Tenable Holdings, Inc. | Tax withholding | 11,789 | $19.00 | $223,991.00 | filing |
| 2026-02-25 | TENB | Tenable Holdings, Inc. | Option exercise | 24,381 | $0.00 | $0.00 | filing |
| 2026-02-23 | TENB | Tenable Holdings, Inc. | Tax withholding | 15,635 | $17.55 | $274,394.25 | filing |
| 2026-02-23 | TENB | Tenable Holdings, Inc. | Tax withholding | 1,865 | $17.55 | $32,730.75 | filing |
| 2026-02-23 | TENB | Tenable Holdings, Inc. | Tax withholding | 1,283 | $17.55 | $22,516.65 | filing |
| 2026-02-23 | TENB | Tenable Holdings, Inc. | Tax withholding | 1,090 | $17.55 | $19,129.50 | filing |
| 2026-02-23 | TENB | Tenable Holdings, Inc. | Tax withholding | 666 | $17.55 | $11,688.30 | filing |
| 2026-02-23 | TENB | Tenable Holdings, Inc. | Tax withholding | 401 | $17.55 | $7,037.55 | filing |
| 2026-02-23 | TENB | Tenable Holdings, Inc. | Tax withholding | 342 | $17.55 | $6,002.10 | filing |
| 2026-02-23 | TENB | Tenable Holdings, Inc. | Option exercise | 3,857 | $0.00 | $0.00 | filing |
| 2026-02-23 | TENB | Tenable Holdings, Inc. | Option exercise | 1,365 | $0.00 | $0.00 | filing |
| 2026-02-23 | TENB | Tenable Holdings, Inc. | Option exercise | 1,162 | $0.00 | $0.00 | filing |
| 2026-02-23 | TENB | Tenable Holdings, Inc. | Option exercise | 2,267 | $0.00 | $0.00 | filing |
| 2026-02-23 | TENB | Tenable Holdings, Inc. | Option exercise | 3,713 | $0.00 | $0.00 | filing |
| 2026-02-23 | TENB | Tenable Holdings, Inc. | Option exercise | 46,586 | $0.00 | $0.00 | filing |
| 2026-02-23 | TENB | Tenable Holdings, Inc. | Option exercise | 4,368 | $0.00 | $0.00 | filing |
| 2025-11-24 | TENB | Tenable Holdings, Inc. | Tax withholding | 2,112 | $25.68 | $54,236.16 | filing |
| 2025-11-24 | TENB | Tenable Holdings, Inc. | Tax withholding | 1,865 | $25.68 | $47,893.20 | filing |
| 2025-11-24 | TENB | Tenable Holdings, Inc. | Tax withholding | 1,796 | $25.68 | $46,121.28 | filing |
| 2025-11-24 | TENB | Tenable Holdings, Inc. | Tax withholding | 1,097 | $25.68 | $28,170.96 | filing |
| 2025-11-24 | TENB | Tenable Holdings, Inc. | Tax withholding | 660 | $25.68 | $16,948.80 | filing |
| 2025-11-24 | TENB | Tenable Holdings, Inc. | Tax withholding | 562 | $25.68 | $14,432.16 | filing |
| 2025-11-24 | TENB | Tenable Holdings, Inc. | Option exercise | 3,857 | $0.00 | $0.00 | filing |
| 2025-11-24 | TENB | Tenable Holdings, Inc. | Option exercise | 1,162 | $0.00 | $0.00 | filing |
| 2025-11-24 | TENB | Tenable Holdings, Inc. | Option exercise | 2,267 | $0.00 | $0.00 | filing |
| 2025-11-24 | TENB | Tenable Holdings, Inc. | Option exercise | 1,363 | $0.00 | $0.00 | filing |
| 2025-11-24 | TENB | Tenable Holdings, Inc. | Option exercise | 3,713 | $0.00 | $0.00 | filing |
| 2025-11-24 | TENB | Tenable Holdings, Inc. | Option exercise | 4,368 | $0.00 | $0.00 | filing |
| 2025-08-26 | TENB | Tenable Holdings, Inc. | Sale | 2,541 | $29.84 | $75,823.44 | filing |
| 2025-08-25 | TENB | Tenable Holdings, Inc. | Sale | 28,500 | $30.25 | $862,125.00 | filing |
| 2025-08-25 | TENB | Tenable Holdings, Inc. | Option exercise | 1,363 | $0.00 | $0.00 | filing |
| 2025-08-25 | TENB | Tenable Holdings, Inc. | Option exercise | 3,857 | $0.00 | $0.00 | filing |
| 2025-08-22 | TENB | Tenable Holdings, Inc. | Option exercise | 1,162 | $0.00 | $0.00 | filing |
| 2025-08-22 | TENB | Tenable Holdings, Inc. | Option exercise | 2,267 | $0.00 | $0.00 | filing |
| 2025-08-22 | TENB | Tenable Holdings, Inc. | Option exercise | 3,713 | $0.00 | $0.00 | filing |
| 2025-08-22 | TENB | Tenable Holdings, Inc. | Option exercise | 46,585 | $0.00 | $0.00 | filing |
| 2025-08-22 | TENB | Tenable Holdings, Inc. | Option exercise | 4,368 | $0.00 | $0.00 | filing |
Insider transactions from SEC Form 4 filings via EDGAR. Names appear as filed and aren't normalized across issuers.