Thurmond Mark C.: insider trades.
Thurmond Mark C. reported 12 non-derivative transactions on 1 SEC ownership filings in Q3 2026: 0 open-market purchases and 0 sales, across 1 company.
- Transactions
- 12
- Purchases (P)
- 0
- Sales (S)
- 0
- Companies
- 1
- Name as filed
- Thurmond Mark C.
Companies
| Company | Relationship | Transactions |
|---|---|---|
| Tenable Holdings, Inc. (TENB) | Director, Officer · Co-Chief Executive Officer | 12 |
Transactions
| Date | Company | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-08-24 | Tenable Holdings, Inc. | M | 2,267 | $0 | 185,055 | Form 4 |
| 2026-08-24 | Tenable Holdings, Inc. | M | 4,368 | $0 | 197,401 | Form 4 |
| 2026-08-24 | Tenable Holdings, Inc. | F | 3,754 | $33.94 | 193,033 | Form 4 |
| 2026-08-24 | Tenable Holdings, Inc. | M | 1,162 | $0 | 183,350 | Form 4 |
| 2026-08-24 | Tenable Holdings, Inc. | F | 562 | $33.94 | 182,788 | Form 4 |
| 2026-08-24 | Tenable Holdings, Inc. | F | 2,112 | $33.94 | 195,289 | Form 4 |
| 2026-08-24 | Tenable Holdings, Inc. | F | 1,097 | $33.94 | 183,958 | Form 4 |
| 2026-08-24 | Tenable Holdings, Inc. | M | 6,095 | $0 | 190,053 | Form 4 |
| 2026-08-24 | Tenable Holdings, Inc. | F | 2,947 | $33.94 | 187,106 | Form 4 |
| 2026-08-24 | Tenable Holdings, Inc. | M | 3,713 | $0 | 190,819 | Form 4 |
| 2026-08-24 | Tenable Holdings, Inc. | F | 1,796 | $33.94 | 189,023 | Form 4 |
| 2026-08-24 | Tenable Holdings, Inc. | M | 7,764 | $0 | 196,787 | Form 4 |
Questions
What stock did Thurmond Mark C. buy or sell?
Thurmond Mark C. reported 12 non-derivative transactions on 1 SEC ownership filings in Q3 2026: 0 open-market purchases and 0 sales, across 1 company.
Is Thurmond Mark C. the same person as other filers with this name?
This page covers SEC CIK 1651579 only. The SEC assigns each reporting owner a CIK, and people with the same name have different CIKs.
Source: SEC Insider Transactions Data Sets, Q3 2026. Reported as filed; we do not assess intent, performance or compliance. All filings for this CIK on SEC.gov.
Plain-text version for agents and LLMs: /insiders/thurmond-mark-c-1651579.md
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