CIK 0001660280 · Large accelerated filer
Tenable Holdings, Inc.
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- TENB
- Exchange
- Nasdaq
- Industry
- Services-Prepackaged Software
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 475580846
- Phone
- 410-872-0555
- Business address
- 6100 MERRIWEATHER DRIVE, COLUMBIA, MD, 21044
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $2,045,396
- in 3 filings
Net −$2,045,396. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-11-02 | Anschutz Barron Chief Accounting Officer | Sale | −10,000 | $51.00 | $510K | 66,077 |
| 2026-11-02 | SEAWELL A BROOKE Director | Option exercise | +115,000 | $9.66 | $1.1M | 130,292 |
| 2026-11-02 | SEAWELL A BROOKE Director | Sale | −15,000 | $50.33 | $755K | 115,292 |
| 2026-11-02 | SEAWELL A BROOKE Director | Sale | −15,000 | $48.73 | $731K | 0 |
| 2026-11-02 | SEAWELL A BROOKE Director | Option exercise · Stock Option (right to buy) | −115,000 | 0 | ||
| 2026-10-05 | Bell Charles H Director | Grant or award · Restricted Stock Units | +10,386 | 10,386 | ||
| 2026-08-24 | Thurmond Mark C. Co-Chief Executive Officer | Option exercise | +1,162 | 183,350 | ||
| 2026-08-24 | Thurmond Mark C. Co-Chief Executive Officer | Shares withheld for taxes | −562 | $33.94 | $19K | 182,788 |
| 2026-08-24 | Thurmond Mark C. Co-Chief Executive Officer | Option exercise | +2,267 | 185,055 | ||
| 2026-08-24 | Thurmond Mark C. Co-Chief Executive Officer | Shares withheld for taxes | −1,097 | $33.94 | $37K | 183,958 |
| 2026-08-24 | Thurmond Mark C. Co-Chief Executive Officer | Option exercise | +6,095 | 190,053 | ||
| 2026-08-24 | Thurmond Mark C. Co-Chief Executive Officer | Shares withheld for taxes | −2,947 | $33.94 | $100K | 187,106 |
| 2026-08-24 | Thurmond Mark C. Co-Chief Executive Officer | Option exercise | +3,713 | 190,819 | ||
| 2026-08-24 | Thurmond Mark C. Co-Chief Executive Officer | Shares withheld for taxes | −1,796 | $33.94 | $61K | 189,023 |
| 2026-08-24 | Thurmond Mark C. Co-Chief Executive Officer | Option exercise | +7,764 | 196,787 | ||
| 2026-08-24 | Thurmond Mark C. Co-Chief Executive Officer | Shares withheld for taxes | −3,754 | $33.94 | $127K | 193,033 |
| 2026-08-24 | Thurmond Mark C. Co-Chief Executive Officer | Option exercise | +4,368 | 197,401 | ||
| 2026-08-24 | Thurmond Mark C. Co-Chief Executive Officer | Shares withheld for taxes | −2,112 | $33.94 | $72K | 195,289 |
| 2026-08-24 | Thurmond Mark C. Co-Chief Executive Officer | Option exercise · Performance Restricted Stock Units | −1,162 | 2,330 | ||
| 2026-08-24 | Thurmond Mark C. Co-Chief Executive Officer | Option exercise · Performance Restricted Stock Units | −2,267 | 13,606 |
Page 1 of 25 · 497 trades