12 insiders reported 228 Form 4 transactions for Tenable Holdings, Inc. (TENB) over the past 18 months (most recent 2026-08-25). Recent activity: Anschutz Barron (Insider) Buy 1,337 shares, Thurmond Mark C. (Co-Chief Executive Officer) Sell 2,947 shares, Thurmond Mark C. (Co-Chief Executive Officer) Buy 1,162 shares, Brown Matthew Charles (Chief Financial Officer) Buy 14,544 shares, Anschutz Barron (Insider) Sell 640 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-25 | Anschutz Barron | Insider | Buy | 1,337 | $0 |
| 2026-08-25 | Thurmond Mark C. | Co-Chief Executive Officer | Sell | 2,947 | $100,021 |
| 2026-08-25 | Thurmond Mark C. | Co-Chief Executive Officer | Buy | 1,162 | $0 |
| 2026-08-25 | Brown Matthew Charles | Chief Financial Officer | Buy | 14,544 | $0 |
| 2026-08-25 | Anschutz Barron | Insider | Sell | 640 | $21,722 |
| 2026-08-25 | Vintz Stephen A | Co-Chief Executive Officer | Sell | 764 | $25,930 |
| 2026-08-25 | Thurmond Mark C. | Co-Chief Executive Officer | Sell | 562 | $19,074 |
| 2026-08-25 | Vintz Stephen A | Co-Chief Executive Officer | Buy | 1,595 | $0 |
| 2026-08-25 | Anschutz Barron | Insider | Buy | 1,258 | $0 |
| 2026-08-25 | Vintz Stephen A | Co-Chief Executive Officer | Buy | 2,345 | $0 |
| 2026-08-25 | Thurmond Mark C. | Co-Chief Executive Officer | Buy | 2,267 | $0 |
| 2026-08-25 | Anschutz Barron | Insider | Sell | 602 | $20,432 |
| 2026-08-25 | Vintz Stephen A | Co-Chief Executive Officer | Sell | 1,123 | $38,115 |
| 2026-08-25 | Thurmond Mark C. | Co-Chief Executive Officer | Sell | 1,097 | $37,232 |
| 2026-08-25 | Anschutz Barron | Insider | Buy | 1,629 | $0 |
| 2026-08-25 | Vintz Stephen A | Co-Chief Executive Officer | Buy | 6,095 | $0 |
| 2026-08-25 | Thurmond Mark C. | Co-Chief Executive Officer | Buy | 6,095 | $0 |
| 2026-08-25 | Anschutz Barron | Insider | Sell | 780 | $26,473 |
| 2026-08-25 | Vintz Stephen A | Co-Chief Executive Officer | Sell | 2,917 | $99,003 |
| 2026-08-25 | Vintz Stephen A | Co-Chief Executive Officer | Buy | 7,764 | $0 |
| 2026-08-25 | Vintz Stephen A | Co-Chief Executive Officer | Buy | 5,095 | $0 |
| 2026-08-25 | Thurmond Mark C. | Co-Chief Executive Officer | Buy | 3,713 | $0 |
| 2026-08-25 | Vintz Stephen A | Co-Chief Executive Officer | Sell | 2,438 | $82,746 |
| 2026-08-25 | Thurmond Mark C. | Co-Chief Executive Officer | Sell | 1,796 | $60,956 |
| 2026-08-25 | Brown Matthew Charles | Chief Financial Officer | Sell | 7,400 | $254,412 |
Source: SEC Form 4 filings · as of 2026-08-25