| $164M | ||
| $148M | ||
| $143M | ||
| $76M | ||
| $66M | ||
| $60M |
Buys | $357,765 | 2 | 10 |
Sells | $6,228,844 | 18 | 90 |
| COVIELLO ARTHUR W JR | director | 1 | $258,000 | 0 | $0 | $258,000 |
| Vicks Raymond Jr. | director | 1 | $99,765 | 0 | $0 | $99,765 |
| Zecher Linda Kay | director | 0 | $0 | 1 | $92,500 | $-92,500 |
| Anschutz Barron | Principal Accounting Officer | 0 | $0 | 6 | $179,697 | $-179,697 |
| Thurmond Mark C. | Co-Chief Executive Officer | 0 | $0 | 4 | $1.2M | $-1.2M |
| Vintz Stephen A | Co-Chief Executive Officer | 0 | $0 | 4 | $1.3M | $-1.3M |
| SEAWELL A BROOKE | director | 0 | $0 | 3 | $3.46M | $-3.46M |
Tenable Holdings, Inc. provides cyber exposure solutions for in the Americas, Europe, the Middle East, Africa, the Asia Pacific, and Japan. Its platforms include Tenable.io, a cloud-delivered software as a service that provides organizations with a risk-based view of traditional and modern attack surfaces; Tenable.cs, a cloud-native application platform that enables organizations to programmatically detect and fix cloud infrastructure misconfigurations; Tenable.io WAS, which provides scanning for modern web applications; and Tenable.ep, an unified platform that helps organizations identify, assess, and accurately prioritize cyber risks across the entire attack surface. The company also offers Tenable.ad, a solution to secure Active Directory environments; Tenable.ot, an on-premises solution that provides threat detection and mitigation, asset tracking, vulnerability management, and configuration control capabilities to protect OT environments, including industrial networks; Tenable.sc, an on-premises solution that provides a risk-based view of an organization's IT, security and compliance posture. In addition, it provides Nessus Professional, a vulnerability assessment solution for identifying security vulnerabilities, configuration issues, and malware; and Nessus Essentials, which includes vulnerability and configuration assessment for a limited number of assets. The company was founded in 2002 and is headquartered in Columbia, Maryland.
Over the last 12 months, insiders at Tenable Holdings, Inc. have bought $357,765 and sold $6.23M worth of Tenable Holdings, Inc. stock.
On average, over the past 5 years, insiders at Tenable Holdings, Inc. have bought $357,765 and sold $24.71M worth of stock each year.
Highest buying activity among insiders over the last 12 months: COVIELLO ARTHUR W JR (director) — $258,000. Vicks Raymond Jr. (director) — $99,765.
The last purchase of 4,500 shares for transaction amount of $99,765 was made by Vicks Raymond Jr. (director) on 2026‑02‑12.
| 2026-02-12 | Vicks Raymond Jr. | director | 4,500 0.0037% | $22.17 | $99,765 | -12.21% | ||
| 2026-02-09 | COVIELLO ARTHUR W JR | director | 12,000 0.0097% | $21.50 | $258,000 | -4.52% | ||
| 2025-12-15 | Sale | SEAWELL A BROOKE | director | 115,000 0.0959% | $24.82 | $2.85M | -8.97% | |
| 2025-10-17 | Sale | Anschutz Barron | Principal Accounting Officer | 976 0.0008% | $29.10 | $28,402 | -16.74% | |
| 2025-09-09 | Sale | SEAWELL A BROOKE | director | 15,000 0.0124% | $30.80 | $462,000 | -14.68% | |
| 2025-09-04 | Sale | SEAWELL A BROOKE | director | 4,622 0.0038% | $30.12 | $139,215 | -13.51% | |
| 2025-08-26 | Sale | Vintz Stephen A | Co-Chief Executive Officer | 3,464 0.0028% | $29.84 | $103,366 | -10.42% | |
| 2025-08-26 | Sale | Thurmond Mark C. | Co-Chief Executive Officer | 2,541 0.002% | $29.84 | $75,823 | -10.42% | |
| 2025-08-26 | Sale | Anschutz Barron | Principal Accounting Officer | 670 0.0005% | $29.84 | $19,993 | -10.42% | |
| 2025-08-25 | Sale | Vintz Stephen A | Co-Chief Executive Officer | 29,196 0.0238% | $30.25 | $883,179 | -11.76% | |
| 2025-08-25 | Sale | Thurmond Mark C. | Co-Chief Executive Officer | 28,500 0.0232% | $30.25 | $862,125 | -11.76% | |
| 2025-08-25 | Sale | Anschutz Barron | Principal Accounting Officer | 1,261 0.001% | $30.25 | $38,145 | -11.76% | |
| 2025-07-17 | Sale | Anschutz Barron | Principal Accounting Officer | 970 0.0008% | $33.08 | $32,088 | -16.31% | |
| 2025-05-27 | Sale | Vintz Stephen A | Co-Chief Executive Officer | 3,386 0.0028% | $32.45 | $109,876 | -9.92% | |
| 2025-05-27 | Sale | Thurmond Mark C. | Co-Chief Executive Officer | 2,483 0.002% | $32.45 | $80,573 | -9.92% | |
| 2025-05-27 | Sale | Anschutz Barron | Principal Accounting Officer | 655 0.0005% | $32.45 | $21,255 | -9.92% | |
| 2025-05-23 | Sale | Vintz Stephen A | Co-Chief Executive Officer | 6,499 0.0053% | $31.98 | $207,838 | -7.90% | |
| 2025-05-23 | Sale | Thurmond Mark C. | Co-Chief Executive Officer | 5,577 0.0046% | $31.98 | $178,352 | -7.90% | |
| 2025-05-23 | Sale | Anschutz Barron | Principal Accounting Officer | 1,245 0.001% | $31.98 | $39,815 | -7.90% | |
| 2025-03-11 | Sale | Zecher Linda Kay | director | 2,500 0.0021% | $37.00 | $92,500 | -17.97% |
| Vintz Stephen A | Co-Chief Executive Officer | 362679 0.3039% | $7.4M | 0 | 72 | |
| Thurmond Mark C. | Co-Chief Executive Officer | 105001 0.088% | $2.14M | 0 | 54 | |
| Anschutz Barron | Principal Accounting Officer | 61420 0.0515% | $1.25M | 0 | 7 | |
| COVIELLO ARTHUR W JR | director | 51731 0.0433% | $1.05M | 2 | 11 | <0.0001% |
| Vicks Raymond Jr. | director | 16266 0.0136% | $331,663.74 | 1 | 5 | |
| Zecher Linda Kay | director | 353 0.0003% | $7,197.67 | 0 | 12 | |
| SEAWELL A BROOKE | director | 0 0% | $0 | 1 | 6 | <0.0001% |
| Li Ping | director | 227971 0.191% | $4.65M | 0 | 4 | |
| Insight Holdings Group, LLC | 10 percent owner | 80564 0.0675% | $1.64M | 0 | 18 | |
| Yoran Amit | President, CEO and Chairman | 58633 0.0491% | $1.2M | 0 | 113 | |
| Riddick Stephen A | General Counsel & Secretary | 42199 0.0354% | $860,437.61 | 0 | 46 | |
| Huffard John C Jr | director | 31847 0.0267% | $649,360.33 | 0 | 23 | |
| Negron John | Chief Revenue Officer | 30381 0.0255% | $619,468.59 | 0 | 8 | |
| Kennelly Jerry M | 12239 0.0103% | $249,553.21 | 0 | 12 | ||
| Tosheff George Alex | director | 5613 0.0047% | $114,449.07 | 0 | 1 | |
| Hammonds Kimberly | director | 0 0% | $0 | 1 | 7 | <0.0001% |
$540,737,928 | 196 | 14.98% | $1.99B | |
$10,360,909 | 50 | 3.58% | $4.38B | |
$1,866,098 | 18 | 17.22% | $3.13B | |
$3,422,735 | 17 | 25.11% | $2.77B | |
$5,187,195 | 16 | 1.22% | $2.71B | |
$101,647,941 | 15 | -7.68% | $4.5B | |
$1,073,552 | 11 | 45.52% | $2.28B | |
$1,675,703 | 10 | 34.65% | $1.82B | |
$2,302,980 | 9 | 2.69% | $3.77B | |
$31,299,288 | 8 | -41.48% | $3.66B | |
$16,510,377 | 8 | 24.99% | $4.22B | |
$9,579,613 | 5 | 3.03% | $1.77B | |
$36,446 | 4 | 39.32% | $2.34B | |
$238,250 | 3 | 27.74% | $2.06B | |
$659,273 | 3 | 6.54% | $1.88B | |
$629,658 | 3 | -21.34% | $2.24B | |
Tenable Holdings, Inc. (TENB) | $2,724,994 | 3 | -0.20% | $2.43B |
$1,876,092 | 2 | -1.74% | $3.52B | |
$531,840 | 1 | 27.54% | $2.19B |
| Increased Positions | 164 | +48.96% | 14M | +12.14% |
| Decreased Positions | 157 | -46.87% | 13M | -11.25% |
| New Positions | 49 | New | 1M | New |
| Sold Out Positions | 54 | Sold Out | 2M | Sold Out |
| Total Postitions | 342 | +2.09% | 113M | +0.89% |
| Vanguard Group Inc | $340,097.00 | 12.57% | 14.96M | +778,699 | +5.49% | 2025-09-30 |
| Blackrock, Inc. | $298,906.00 | 11.05% | 13.15M | +182,342 | +1.41% | 2025-09-30 |
| Ameriprise Financial Inc | $163,189.00 | 6.03% | 7.18M | +713,291 | +11.03% | 2025-09-30 |
| Rgm Capital, Llc | $101,561.00 | 3.76% | 4.47M | +503,121 | +12.69% | 2025-09-30 |
| Shapiro Capital Management Llc | $82,109.00 | 3.04% | 3.61M | +1M | +38.82% | 2025-09-30 |
| First Trust Advisors Lp | $73,190.00 | 2.71% | 3.22M | +282,265 | +9.61% | 2025-09-30 |
| State Street Corp | $69,410.00 | 2.57% | 3.05M | -2,363 | -0.08% | 2025-09-30 |
| Geode Capital Management, Llc | $66,785.00 | 2.47% | 2.94M | +31,350 | +1.08% | 2025-09-30 |
| Assenagon Asset Management S.A. | $57,946.00 | 2.14% | 2.55M | -690,302 | -21.31% | 2025-09-30 |
| Mackenzie Financial Corp | $56,968.00 | 2.11% | 2.51M | -183,768 | -6.83% | 2025-09-30 |