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Tenable Holdings, Inc. (TENB) XNAS SERVICES-PREPACKAGED SOFTWARE Net insider selling (90d)
Latest TENB Insider Trades
About Tenable Holdings, Inc. (TENB) Founded in 2002, Tenable is a cybersecurity company that began providing vulnerability management solutions under its Nessus software. In recent years, Tenable has expanded its portfolio to provide a broader range of exposure management modules. Solutions include cloud security and compliance, active directory management, operational technology security and advanced vulnerability analytics. The Maryland-based company went public in 2018.
Headquarters COLUMBIA, MD
Employees 1,995
Listed 2018
Exchange XNAS https://www.tenable.com SEC filings for TENB on EDGAR
90-Day SEC Filing Activity Form 4 transaction type Transactions Shares Total value Open-market sale 6 5,829 $207K Option exercise 36 996,344 Tax withholding / forfeiture 17 335,547
TENB Insider Transactions (Form 4) 172 65 Form 4 filings on record, the earliest from Oct 2, 2024, newest first. Filing history page 1 of 3.
Date Insider Transaction Security Shares Price Value Aug 24, 2026 MT Mark C. Thurmond - Officer Option exercise Common Stock 1,162
Recent TENB Form 8-K Filings 4
Recent TENB Form 144 Notices of Proposed Sale 2 A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
Filed Filer Relationship Shares Market value Notice Aug 18, 2026 Linda Zecher-Higgins Director 1,400 $52K View on EDGAR Aug 7, 2026 Vicks Raymond Jr. Director
TENB Insider Trading - FAQ
What is the latest insider trade for TENB? Tenable Holdings, Inc. (TENB) had 9 insider filings in the last 90 days, with the most recent on 2026-08-25. The full record for TENB runs to 65 Form 4 filings, the earliest from 2024-10-02. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying TENB stock? No insider purchases of TENB were filed in the last 90 days. 3 purchases are on record for this company.
How many insiders are selling TENB stock? 6 insider sales of TENB were filed in the last 90 days, totaling $207K.
Where can I see TENB SEC filings (Form 4, 10-K, 10-Q, 8-K)? This page tracks TENB Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow TENB insider buys? Create a free InsiderAlpha account and press Watch on this page to add TENB to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Information Technology Companies with Insider Activity Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
Related Companies - Recent Insider Activity What is SEC Form 4? The filing insiders must submit within two business days of a trade, and how to read its transaction codes. Track TENB insider activity as it files Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
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Market cap $4.15B
P/E ratio -
Dividend yield -
Average volume 3.75M
52 week high $43.67
52 week low $15.73
Today's high $38.70
Today's low $37.17
Open $37.21
Volume 4.04M
Previous close $37.67
Shares outstanding 110.14M Market cap
$4.15B
1,995 employees
TENB Insider Sentiment - Last 90 Days Share of open-market insider dollar volume that was buying versus selling, from SEC Form 4 filings.
0% Buying 100% Selling
0 insider purchases totaling $0 against 6 sales totaling $207K.
Most-Active TENB Insiders - Last 90 Days 10 Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
Aug 24, 2026 MT Mark C. Thurmond - Officer Tax withholding / forfeiture Common Stock 562 $33.94 $19K
Aug 24, 2026 MT Mark C. Thurmond - Officer Tax withholding / forfeiture Common Stock 1,097 $33.94 $37K
Aug 24, 2026 MT Mark C. Thurmond - Officer Tax withholding / forfeiture Common Stock 2,947 $33.94 $100K
Aug 24, 2026 MT Mark C. Thurmond - Officer Tax withholding / forfeiture Common Stock 1,796 $33.94 $61K
Aug 24, 2026 MT Mark C. Thurmond - Officer Tax withholding / forfeiture Common Stock 3,754 $33.94 $127K
Aug 24, 2026 MT Mark C. Thurmond - Officer Tax withholding / forfeiture Common Stock 2,112 $33.94 $72K
Aug 24, 2026 MT Mark C. Thurmond - Officer Option exercise Performance Restricted Stock Units 1,162 $0.00 -
Aug 24, 2026 MT Mark C. Thurmond - Officer Option exercise Performance Restricted Stock Units 2,267 $0.00 -
Aug 24, 2026 MT Mark C. Thurmond - Officer Option exercise Performance Restricted Stock Units 6,095 $0.00 -
Aug 24, 2026 MT Mark C. Thurmond - Officer Option exercise Restricted Stock Units 3,713 $0.00 -
Aug 24, 2026 MT Mark C. Thurmond - Officer Option exercise Restricted Stock Units 7,764 $0.00 -
Aug 24, 2026 MT Mark C. Thurmond - Officer Option exercise Restricted Stock Units 4,368 $0.00 -
Aug 24, 2026 BA Barron Anschutz Tax withholding / forfeiture Common Stock 640 $33.94 $22K
Aug 24, 2026 BA Barron Anschutz Tax withholding / forfeiture Common Stock 602 $33.94 $20K
Aug 24, 2026 BA Barron Anschutz Tax withholding / forfeiture Common Stock 780 $33.94 $26K
Aug 24, 2026 BA Barron Anschutz Option exercise Restricted Stock Units 1,337 $0.00 -
Aug 24, 2026 BA Barron Anschutz Option exercise Restricted Stock Units 1,258 $0.00 -
Aug 24, 2026 BA Barron Anschutz Option exercise Restricted Stock Units 1,629 $0.00 -
Aug 24, 2026 SV Stephen A. Vintz - Officer Tax withholding / forfeiture Common Stock 764 $33.94 $26K
Aug 24, 2026 SV Stephen A. Vintz - Officer Tax withholding / forfeiture Common Stock 1,123 $33.94 $38K
Aug 24, 2026 SV Stephen A. Vintz - Officer Tax withholding / forfeiture Common Stock 2,917 $33.94 $99K
Aug 24, 2026 SV Stephen A. Vintz - Officer Tax withholding / forfeiture Common Stock 2,438 $33.94 $83K
Aug 24, 2026 SV Stephen A. Vintz - Officer Tax withholding / forfeiture Common Stock 3,716 $33.94 $126K
Aug 24, 2026 SV Stephen A. Vintz - Officer Tax withholding / forfeiture Common Stock 2,163 $33.94 $73K
Aug 24, 2026 SV Stephen A. Vintz - Officer Option exercise Performance Restricted Stock Units 1,595 $0.00 -
Aug 24, 2026 SV Stephen A. Vintz - Officer Option exercise Performance Restricted Stock Units 2,345 $0.00 -
Aug 24, 2026 SV Stephen A. Vintz - Officer Option exercise Performance Restricted Stock Units 6,095 $0.00 -
Aug 24, 2026 SV Stephen A. Vintz - Officer Option exercise Restricted Stock Units 5,095 $0.00 -
Aug 24, 2026 SV Stephen A. Vintz - Officer Option exercise Restricted Stock Units 7,764 $0.00 -
Aug 24, 2026 SV Stephen A. Vintz - Officer Option exercise Restricted Stock Units 4,519 $0.00 -
Aug 18, 2026 LZ Linda Kay Zecher - Director Open-market sale Common Stock 700 $35.46 $25K
Aug 19, 2026 LZ Linda Kay Zecher - Director Open-market sale Common Stock 690 $35.76 $25K
Aug 3, 2026 LZ Linda Kay Zecher - Director Open-market sale Common Stock 1,470 $34.00 $50K
Aug 4, 2026 LZ Linda Kay Zecher - Director Open-market sale Common Stock 600 $36.00 $22K
Aug 7, 2026 LZ Linda Kay Zecher - Director Open-market sale Common Stock 550 $36.50 $20K
Aug 5, 2026 SV Stephen A. Vintz - Officer Option exercise Common Stock 423,434 $16.21 $6.86M
Aug 5, 2026 SV Stephen A. Vintz - Officer Tax withholding / forfeiture Common Stock 300,736 $36.48 $10.97M
Aug 5, 2026 SV Stephen A. Vintz - Officer Option exercise Employee Stock Option (right to buy) 423,434 $0.00 -
Jun 15, 2026 MK Margaret M. Keane - Director Option exercise Restricted Stock Units 3,188 $0.00 -
May 22, 2026 BA Barron Anschutz Tax withholding / forfeiture Common Stock 640 $25.45 $16K
May 22, 2026 BA Barron Anschutz Tax withholding / forfeiture Common Stock 602 $25.45 $15K
May 22, 2026 BA Barron Anschutz Tax withholding / forfeiture Common Stock 779 $25.45 $20K
May 22, 2026 BA Barron Anschutz Option exercise Restricted Stock Units 1,337 $0.00 -
May 22, 2026 BA Barron Anschutz Option exercise Restricted Stock Units 1,258 $0.00 -
May 22, 2026 BA Barron Anschutz Option exercise Restricted Stock Units 1,628 $0.00 -
May 22, 2026 SV Stephen A. Vintz - Officer Tax withholding / forfeiture Common Stock 764 $25.45 $19K
May 22, 2026 SV Stephen A. Vintz - Officer Tax withholding / forfeiture Common Stock 1,123 $25.45 $29K
May 22, 2026 SV Stephen A. Vintz - Officer Tax withholding / forfeiture Common Stock 2,917 $25.45 $74K
May 22, 2026 SV Stephen A. Vintz - Officer Tax withholding / forfeiture Common Stock 2,438 $25.45 $62K
May 22, 2026 SV Stephen A. Vintz - Officer Tax withholding / forfeiture Common Stock 3,716 $25.45 $95K
May 22, 2026 SV Stephen A. Vintz - Officer Tax withholding / forfeiture Common Stock 2,163 $25.45 $55K
May 22, 2026 SV Stephen A. Vintz - Officer Option exercise Performance Restricted Stock Units 1,595 $0.00 -
May 22, 2026 SV Stephen A. Vintz - Officer Option exercise Performance Restricted Stock Units 2,345 $0.00 -
May 22, 2026 SV Stephen A. Vintz - Officer Option exercise Performance Restricted Stock Units 6,095 $0.00 -
May 22, 2026 SV Stephen A. Vintz - Officer Option exercise Restricted Stock Units 5,095 $0.00 -
May 22, 2026 SV Stephen A. Vintz - Officer Option exercise Restricted Stock Units 7,764 $0.00 -
May 22, 2026 SV Stephen A. Vintz - Officer Option exercise Restricted Stock Units 4,519 $0.00 -
May 22, 2026 MT Mark C. Thurmond - Officer Tax withholding / forfeiture Common Stock 3,754 $25.45 $96K
May 22, 2026 MT Mark C. Thurmond - Officer Tax withholding / forfeiture Common Stock 2,112 $25.45 $54K
May 22, 2026 MT Mark C. Thurmond - Officer Option exercise Performance Restricted Stock Units 1,162 $0.00 -
May 22, 2026 MT Mark C. Thurmond - Officer Option exercise Performance Restricted Stock Units 2,267 $0.00 -
May 22, 2026 MT Mark C. Thurmond - Officer Option exercise Performance Restricted Stock Units 6,095 $0.00 -
May 22, 2026 MT Mark C. Thurmond - Officer Option exercise Restricted Stock Units 3,713 $0.00 -
May 22, 2026 MT Mark C. Thurmond - Officer Option exercise Restricted Stock Units 7,764 $0.00 -
May 22, 2026 MT Mark C. Thurmond - Officer Option exercise Restricted Stock Units 4,368 $0.00 -
May 22, 2026 MT Mark C. Thurmond - Officer Tax withholding / forfeiture Common Stock 562 $25.45 $14K
May 22, 2026 MT Mark C. Thurmond - Officer Tax withholding / forfeiture Common Stock 1,097 $25.45 $28K
May 22, 2026 MT Mark C. Thurmond - Officer Tax withholding / forfeiture Common Stock 2,947 $25.45 $75K
May 22, 2026 MT Mark C. Thurmond - Officer Tax withholding / forfeiture Common Stock 1,796 $25.45 $46K
May 13, 2026 RJ Raymond Vicks Jr. - Director Option exercise Restricted Stock Units 6,062 $0.00 -
May 13, 2026 RJ Raymond Vicks Jr. - Director Grant or award Restricted Stock Units 9,718 $0.00 -
May 13, 2026 MK Margaret M. Keane - Director Option exercise Restricted Stock Units 6,062 $0.00 -
May 13, 2026 MK Margaret M. Keane - Director Grant or award Restricted Stock Units 9,718 $0.00 -
May 13, 2026 NH Niloofar Razi Howe - Director Option exercise Restricted Stock Units 6,062 $0.00 -
May 13, 2026 NH Niloofar Razi Howe - Director Grant or award Restricted Stock Units 9,718 $0.00 -
May 13, 2026 LZ Linda Kay Zecher - Director Option exercise Restricted Stock Units 6,062 $0.00 -
May 13, 2026 LZ Linda Kay Zecher - Director Grant or award Restricted Stock Units 9,718 $0.00 -
May 13, 2026 AS A. Brooke Seawell - Director Option exercise Restricted Stock Units 6,062 $0.00 -
May 13, 2026 AS A. Brooke Seawell - Director Grant or award Restricted Stock Units 9,718 $0.00 -
May 8, 2026 SV Stephen A. Vintz - Officer Option exercise Common Stock 105,000 $4.15 $436K
May 8, 2026 SV Stephen A. Vintz - Officer Tax withholding / forfeiture Common Stock 60,917 $21.29 $1.30M
May 8, 2026 SV Stephen A. Vintz - Officer Option exercise Employee Stock Option (right to buy) 105,000 $0.00 -
Apr 16, 2026 BA Barron Anschutz Tax withholding / forfeiture Common Stock 972 $19.03 $18K
Apr 16, 2026 BA Barron Anschutz Option exercise Restricted Stock Units 2,031 $0.00 -
Feb 26, 2026 BA Barron Anschutz Grant or award Restricted Stock Units 92,879 $0.00 -
Feb 25, 2026 SV Stephen A. Vintz - Officer Tax withholding / forfeiture Common Stock 11,667 $19.00 $222K
Feb 25, 2026 SV Stephen A. Vintz - Officer Option exercise Performance Restricted Stock Units 24,381 $0.00 -
Feb 26, 2026 SV Stephen A. Vintz - Officer Grant or award Restricted Stock Units 341,847 $0.00 -
Feb 25, 2026 MT Mark C. Thurmond - Officer Tax withholding / forfeiture Common Stock 11,789 $19.00 $224K
Feb 25, 2026 MT Mark C. Thurmond - Officer Option exercise Performance Restricted Stock Units 24,381 $0.00 -
Feb 26, 2026 MT Mark C. Thurmond - Officer Grant or award Restricted Stock Units 341,847 $0.00 -
Feb 23, 2026 MT Mark C. Thurmond - Officer Tax withholding / forfeiture Common Stock 401 $17.55 $7K
Feb 23, 2026 MT Mark C. Thurmond - Officer Tax withholding / forfeiture Common Stock 342 $17.55 $6K
Feb 23, 2026 MT Mark C. Thurmond - Officer Tax withholding / forfeiture Common Stock 666 $17.55 $12K
Feb 23, 2026 MT Mark C. Thurmond - Officer Tax withholding / forfeiture Common Stock 1,865 $17.55 $33K
Feb 23, 2026 MT Mark C. Thurmond - Officer Tax withholding / forfeiture Common Stock 1,090 $17.55 $19K
Feb 23, 2026 MT Mark C. Thurmond - Officer Tax withholding / forfeiture Common Stock 15,635 $17.55 $274K
Feb 23, 2026 MT Mark C. Thurmond - Officer Tax withholding / forfeiture Common Stock 1,283 $17.55 $23K
Feb 23, 2026 MT Mark C. Thurmond - Officer Option exercise Performance Restricted Stock Units 1,365 $0.00 -
Feb 23, 2026 MT Mark C. Thurmond - Officer Option exercise Performance Restricted Stock Units 1,162 $0.00 -
Feb 23, 2026 MT Mark C. Thurmond - Officer Option exercise Performance Restricted Stock Units 2,267 $0.00 -
Feb 23, 2026 MT Mark C. Thurmond - Officer Option exercise Restricted Stock Units 3,857 $0.00 -
Feb 23, 2026 MT Mark C. Thurmond - Officer Option exercise Restricted Stock Units 3,713 $0.00 -
Feb 23, 2026 MT Mark C. Thurmond - Officer Option exercise Restricted Stock Units 46,586 $0.00 -
Feb 23, 2026 MT Mark C. Thurmond - Officer Option exercise Restricted Stock Units 4,368 $0.00 -
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