TENB
Tenable Holdings, Inc.
Services-Prepackaged SoftwareNasdaqLarge accelerated filer
Total Trades
289
Buys
2
Sells
164
Largest Trade
N/A
Insiders
11
Institutional Funds
222
Inst. Value
$1M+
Activist Filings
13
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Thurmond Mark C. | COO | SELL | $100K–$500K | 3K | $46.87 | Feb 23, 2024 |
| Thurmond Mark C. | COO | EXERCISE | N/A | 24K | — | Feb 23, 2024 |
| Vintz Stephen A | CFO | EXERCISE | N/A | 41K | — | Feb 23, 2024 |
| Vintz Stephen A | CFO | SELL | $100K–$500K | 5K | $46.22 | Feb 23, 2024 |
| Yoran Amit | President | EXERCISE | N/A | 72K | — | Feb 23, 2024 |
| Yoran Amit | President | SELL | $500K+ | 12K | $46.22 | Feb 23, 2024 |
| SEAWELL A BROOKE | Director | SELL | $100K–$500K | 5K | $51.12 | Feb 14, 2024 |
| Thurmond Mark C. | COO | SELL | $1M+ | 26K | $51.45 | Feb 10, 2024 |
| Zecher Linda Kay | Director | SELL | $100K–$500K | 3K | $50.75 | Feb 10, 2024 |
| Thurmond Mark C. | COO | EXERCISE | N/A | 13K | — | Feb 8, 2024 |
| Thurmond Mark C. | COO | SELL | $100K–$500K | 4K | $47.34 | Feb 8, 2024 |
| Yoran Amit | President | EXERCISE | $100K–$500K | 37K | $4.25 | Jan 22, 2024 |
| Yoran Amit | President | SELL | $1M+ | 37K | $47.87 | Jan 22, 2024 |
| Yoran Amit | President | EXERCISE | $1K–$15K | 3K | $4.25 | Dec 28, 2023 |
| Yoran Amit | President | SELL | $100K–$500K | 3K | $47.59 | Dec 28, 2023 |
| Thurmond Mark C. | COO | SELL | $15K–$50K | 951 | $42.06 | Nov 30, 2023 |
| Vintz Stephen A | CFO | EXERCISE | N/A | 7K | — | Nov 27, 2023 |
| Vintz Stephen A | CFO | SELL | $100K–$500K | 3K | $40.02 | Nov 27, 2023 |
| Thurmond Mark C. | COO | SELL | $100K–$500K | 3K | $40.02 | Nov 27, 2023 |
| Thurmond Mark C. | COO | EXERCISE | N/A | 5K | — | Nov 27, 2023 |
| Yoran Amit | President | EXERCISE | N/A | 13K | — | Nov 27, 2023 |
| Yoran Amit | President | SELL | $100K–$500K | 6K | $40.02 | Nov 27, 2023 |
| Vintz Stephen A | CFO | SELL | $100K–$500K | 7K | $39.54 | Nov 22, 2023 |
| Vintz Stephen A | CFO | EXERCISE | N/A | 15K | — | Nov 22, 2023 |
| Yoran Amit | President | SELL | $100K–$500K | 11K | $39.54 | Nov 22, 2023 |
| Yoran Amit | President | EXERCISE | N/A | 25K | — | Nov 22, 2023 |
| Thurmond Mark C. | COO | EXERCISE | N/A | 5K | — | Nov 22, 2023 |
| Thurmond Mark C. | COO | SELL | $100K–$500K | 5K | $39.83 | Nov 22, 2023 |
| Thurmond Mark C. | COO | SELL | $100K–$500K | 6K | $36.93 | Nov 8, 2023 |
| Thurmond Mark C. | COO | EXERCISE | N/A | 13K | — | Nov 8, 2023 |
| Zecher Linda Kay | Director | SELL | $50K–$100K | 1K | $37.20 | Nov 8, 2023 |
| Yoran Amit | President | EXERCISE | $50K–$100K | 20K | $4.25 | Sep 22, 2023 |
| Yoran Amit | President | SELL | $500K+ | 20K | $47.64 | Sep 22, 2023 |
| Thurmond Mark C. | COO | SELL | $15K–$50K | 921 | $42.73 | Aug 30, 2023 |
| Thurmond Mark C. | COO | EXERCISE | N/A | 5K | — | Aug 24, 2023 |
| Thurmond Mark C. | COO | SELL | $500K+ | 15K | $44.88 | Aug 24, 2023 |
| Vintz Stephen A | CFO | SELL | $100K–$500K | 8K | $44.30 | Aug 24, 2023 |
| Vintz Stephen A | CFO | EXERCISE | N/A | 7K | — | Aug 24, 2023 |
| Yoran Amit | President | SELL | $500K+ | 12K | $44.27 | Aug 24, 2023 |
| Yoran Amit | President | EXERCISE | N/A | 13K | — | Aug 24, 2023 |
| Thurmond Mark C. | COO | SELL | $50K–$100K | 2K | $44.44 | Aug 21, 2023 |
| Thurmond Mark C. | COO | EXERCISE | N/A | 5K | — | Aug 21, 2023 |
| Vintz Stephen A | CFO | SELL | $100K–$500K | 3K | $44.44 | Aug 21, 2023 |
| Vintz Stephen A | CFO | EXERCISE | N/A | 15K | — | Aug 21, 2023 |
| Yoran Amit | President | EXERCISE | N/A | 25K | — | Aug 21, 2023 |
| Yoran Amit | President | SELL | $100K–$500K | 5K | $44.44 | Aug 21, 2023 |
| Thurmond Mark C. | COO | EXERCISE | N/A | 13K | — | Aug 7, 2023 |
| Thurmond Mark C. | COO | SELL | $100K–$500K | 6K | $47.09 | Aug 7, 2023 |
| Yoran Amit | President | EXERCISE | $100K–$500K | 42K | $4.25 | Jul 28, 2023 |
| Yoran Amit | President | SELL | $1M+ | 42K | $48.20 | Jul 28, 2023 |
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Institutional Ownership
13F filings as of Dec 31, 2025 · 222 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| FIRST TRUST ADVISORS LP | 4.2M | $1M+ | SH |
| RGM Capital, LLC | 4.1M | $1M+ | SH |
| STATE STREET CORP | 3.0M | $1M+ | SH |
| Penserra Capital Management LLC | 2.8M | $1M+ | SH |
| MACKENZIE FINANCIAL CORP | 2.6M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 2.5M | $1M+ | SH |
| BARCLAYS PLC | 2.3M | $1M+ | SH |
| NORGES BANK | 1.9M | $1M+ | SH |
| Alyeska Investment Group, L.P. | 1.8M | $1M+ | SH |
| Assenagon Asset Management S.A. | 1.6M | $1M+ | SH |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 1.6M | $1M+ | SH |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1.4M | $1M+ | SH |
| Stephens Investment Management Group LLC | 1.1M | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.0M | $1M+ | SH |
| Skandinaviska Enskilda Banken AB (publ) | 986K | $1M+ | SH |
| BNP PARIBAS FINANCIAL MARKETS | 734K | $1M+ | SH |
| CANADA LIFE ASSURANCE Co | 604K | $1M+ | SH |
| RENAISSANCE TECHNOLOGIES LLC | 523K | $1M+ | SH |
| ACADIAN ASSET MANAGEMENT LLC | 484K | $1M+ | SH |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 474K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Oct 31, 2025
12.3%
15.0M shares
SC 13G · Aug 14, 2025
5.3%
6.5M shares
SC 13G/A · Jul 8, 2025
3.8%
4.6M shares
SC 13G/A · May 12, 2025
9.8%
11.8M shares
SC 13G/A · Nov 12, 2024
12.7%
15.1M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
10.7%
12.5M shares
SC 13G/A · Jan 25, 2024
9.0%
10.5M shares
SC 13G/A · Jun 12, 2023
10.1%
11.6M shares
SC 13G · Jan 25, 2023
8.8%
9.9M shares
The Vanguard Group - 23-1945930
SC 13G/A · Jan 10, 2023
10.1%
11.3M shares
SC 13G/A · Mar 10, 2022
10.4%
11.4M shares
SC 13G/A · Feb 11, 2022
0.0%
30K shares
Insight Venture Partners IX, L.P.
SC 13G/A · Feb 10, 2022
0.0%
0 shares