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Tenable Announces Third Quarter 2026 Financial Results

Quarterly share repurchases totaled $223.8 million, including $170.5 million connected with the convertible notes issuance.

(Very High)

Sentiment and the balance of points

Rhea-AI Sentiment reads the wording of the document, how positive or negative its language is on a 1 to 5 scale. The balance of points shown with the takes weighs what the document actually discloses, so the two can disagree, for example when a trial that missed its main goal is described in upbeat language.

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Tenable (TENB) reported third-quarter 2026 revenue of $276.4 million and raised its full-year outlook as earnings and operating cash flow improved.

Revenue rose 9.5% year over year. GAAP net income reached $11.3 million, or $0.10 per diluted share, versus $2.3 million, or $0.02. GAAP operating margin increased to 6.0% from 2.8%; non-GAAP operating margin reached 27.1%, versus 23.3%. Operating cash flow rose to $72.5 million from $53.9 million.

Tenable expects 2026 revenue of $1.084 billion to $1.087 billion and non-GAAP diluted earnings of $2.16 to $2.19 per share. It closed an $800 million convertible senior notes offering and a $400 million secured revolving credit facility, and repurchased 6.8 million shares for $223.8 million during the quarter. Stockholders’ equity shifted to a $26.472 million deficit at September 30, from positive equity at year-end 2025.

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32 points · 2 major

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Rhea-AI gives every point it takes from this document a weight. Minor counts 1, Moderate 3 and Major 9, so one Major point outweighs several Minor ones. The bar adds up the weights on each side, and when neither side holds more than 65% of the total the balance reads Mixed.

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1 major · 12 points

Hollow bars mark forward-looking points. How the balance works

Positive

  • Major pointConvertible senior notes issuance raised $800 million; a new secured revolving credit facility provides $400 million. 15% of market cap
  • Major point. Forward-looking: it has not happened yet and may not happen.Tenable raised its full-year outlook, expecting 2026 revenue of $1.084 billion to $1.087 billion.
  • Moderate pointQ3 revenue increased 9.5% year over year to $276.4 million.
  • Moderate pointQ3 GAAP operating income rose to $16.7 million from $7.1 million a year earlier.
  • Moderate pointQ3 GAAP operating margin increased to 6.0% from 2.8% a year earlier.
  • Moderate pointQ3 GAAP net income increased to $11.3 million from $2.3 million a year earlier.
  • Moderate pointQ3 non-GAAP operating income increased to $74.9 million from $58.9 million a year earlier.
  • Moderate pointQ3 non-GAAP operating margin rose to 27.1% from 23.3% a year earlier.
  • Moderate pointQ3 non-GAAP net income increased to $72.9 million from $51.4 million a year earlier.
  • Moderate pointQ3 operating cash flow increased to $72.5 million from $53.9 million a year earlier.
  • Moderate pointQ3 share repurchases totaled 6.8 million shares for $223.8 million, including notes-related purchases. 4.2% of market cap
  • Moderate pointTerm loan payments totaled $360 million in the first nine months of 2026. 6.7% of market cap
  • Moderate point. Forward-looking: it has not happened yet and may not happen.Tenable expects Q4 revenue of $277.0 million to $280.0 million.
19 minor points
  • Minor pointQ3 GAAP diluted earnings rose to $0.10 per share from $0.02 a year earlier.
  • Minor pointQ3 non-GAAP diluted earnings increased to $0.63 per share from $0.42 a year earlier.
  • Minor pointQ3 unlevered free cash flow increased to $69.4 million from $58.5 million a year earlier.
  • Minor pointCustomer additions included 413 new enterprise platform customers and 39 net new six-figure customers.
  • Minor pointDollar-based net expansion reached 107%, compared with 106% in Q2 2026.
  • Minor point. Forward-looking: it has not happened yet and may not happen.Tenable expects Q4 non-GAAP operating income of $67.1 million to $70.1 million.
  • Minor point. Forward-looking: it has not happened yet and may not happen.Tenable expects Q4 non-GAAP net income of $63.6 million to $66.6 million.
  • Minor point. Forward-looking: it has not happened yet and may not happen.Tenable expects Q4 non-GAAP diluted earnings of $0.56 to $0.58 per share.
  • Minor point. Forward-looking: it has not happened yet and may not happen.Tenable expects 2026 non-GAAP operating income of $270.0 million to $273.0 million.
  • Minor point. Forward-looking: it has not happened yet and may not happen.Tenable expects 2026 non-GAAP net income of $250.0 million to $253.0 million.
  • Minor point. Forward-looking: it has not happened yet and may not happen.Tenable expects 2026 non-GAAP diluted earnings of $2.16 to $2.19 per share.
  • Minor point. Forward-looking: it has not happened yet and may not happen.Tenable expects 2026 unlevered free cash flow of $289.0 million to $295.0 million.
  • Minor pointQ3 subscription revenue increased to $254.600 million from $232.211 million a year earlier.
  • Minor pointQ3 professional services and other revenue rose to $12.074 million from $9.141 million a year earlier.
  • Minor pointNine-month revenue increased to $806.953 million from $738.872 million a year earlier.
  • Minor pointNine-month GAAP operating income reached $37.840 million, versus an $18.023 million loss a year earlier.
  • Minor pointNine-month GAAP net income reached $16.518 million, versus a $35.381 million loss a year earlier.
  • Minor pointNine-month GAAP diluted earnings reached $0.14 per share, versus a $0.29 loss a year earlier.
  • Minor pointNine-month operating cash flow rose to $205.203 million from $183.720 million a year earlier.

Negative

  • Major pointConvertible senior notes add $800 million of debt with potential share dilution. 15% of market cap
  • Moderate pointQ3 stock-based compensation increased to $51.217 million from $44.882 million a year earlier.
  • Minor pointStockholders’ deficit reached $26.472 million at September 30, versus $326.376 million equity at December 31, 2025.
  • Minor pointNotes issuance costs totaled $21.154 million in the first nine months of 2026.
  • Minor pointCapped-call purchases cost $64.080 million in the first nine months of 2026.
7 minor points
  • Minor pointDebt extinguishment loss totaled $2.415 million in the first nine months of 2026.
  • Minor pointQ3 interest expense increased to $8.270 million from $7.213 million a year earlier.
  • Minor pointQ3 interest income declined to $2.573 million from $3.590 million a year earlier.
  • Minor pointQ3 perpetual license and maintenance revenue declined to $9.713 million from $11.088 million a year earlier.
  • Minor pointCurrent deferred revenue fell to $685.375 million at September 30 from $706.866 million at December 31, 2025.
  • Minor pointNoncurrent deferred revenue fell to $178.048 million at September 30 from $192.410 million at December 31, 2025.
  • Minor pointRestructuring expense totaled $3.229 million in nine months, versus none a year earlier.

News Explained

At September 30, 2026, Tenable reported $779,016 thousand of convertible notes and no term loan, versus $354,209 thousand of term loans at December 31, 2025; the closed notes financing is reflected alongside the removal of the prior term-loan balance.

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Key Figures

Revenue: $276.4 million GAAP operating margin: 6.0% Non-GAAP operating margin: 27.1% +5 more
Revenue
$276.4 million
Q3 2026; 9.5% year-over-year growth
GAAP operating margin
6.0%
Q3 2026; compared with 2.8% in Q3 2025
Non-GAAP operating margin
27.1%
Q3 2026; compared with 23.3% in Q3 2025
Non-GAAP diluted EPS
$0.63
Q3 2026; compared with $0.42 in Q3 2025
Net cash from operating activities
$72.5 million
Q3 2026; compared with $53.9 million in Q3 2025
Share repurchases
6.8 million shares for $223.8 million
Q3 2026
Full-year revenue outlook
$1.084 billion to $1.087 billion
Year ending December 31, 2026
Full-year unlevered free cash flow outlook
$289.0 million to $295.0 million
Year ending December 31, 2026

Previous Earnings Reports

2 past events · Latest: Jul 29
Same Type 2 events
  1. Jul 29

    Q2 earnings

    24h Move
    +3.4%

    Q2 revenue growth, stronger operating metrics and higher full-year revenue and cash-flow guidance.

  2. Oct 29

    Q3 earnings

    24h Move
    +0.7%

    Q3 revenue growth and improved GAAP profitability alongside non-GAAP earnings results.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Key Terms

convertible senior notes, non-gaap, unlevered free cash flow, remaining performance obligations
4 terms
convertible senior notes financial
"upsized $800 million convertible senior notes offering"
Convertible senior notes are a type of loan that a company issues to investors, which can be turned into company shares later on. They are called "senior" because they are paid back before other debts if the company runs into trouble. This allows investors to earn interest like a loan but also have the chance to own part of the company if its value rises.
non-gaap financial
"Non-GAAP operating margin of 27.1%"
Non-GAAP refers to financial measures that companies use to show their earnings or performance without including certain expenses or income that are often added back to give a different picture. It matters because it can make a company's results look better or more favorable, but it may also hide important costs, so investors need to look at both GAAP (official rules) and non-GAAP numbers to get a full understanding.
View in glossary
unlevered free cash flow financial
"Unlevered free cash flow was $69.4 million"
Unlevered free cash flow is the cash a company generates from its core business after paying operating costs and reinvesting in the business, but before any interest or debt repayments. It shows how much cash would be available to all providers of capital—owners and lenders alike—and helps investors compare underlying business performance and value companies without the distortion of different debt levels, like judging a car’s fuel efficiency before adding cargo weight.
remaining performance obligations financial
"Remaining performance obligations, short-term"
Remaining performance obligations are the work a company still needs to complete for its customers, like finishing a service or delivering a product. It’s important because it shows how much future income the company has coming in from current agreements, giving a clearer picture of its ongoing business.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Tenable Exceeds Q3 Revenue and Profit Expectations, Raises Full-Year Outlook

  • Revenue of $276.4 million, year-over-year growth of 9.5%
  • GAAP operating margin of 6.0%; Non-GAAP operating margin of 27.1%, year-over-year increase of 380 basis points
  • Net cash provided by operating activities of $72.5 million; Unlevered free cash flow of $69.4 million

COLUMBIA, Md., Oct. 28, 2026 (GLOBE NEWSWIRE) -- Tenable Holdings, Inc. ("Tenable") (Nasdaq: TENB), the exposure management company, today announced financial results for the quarter ended September 30, 2026.

“We delivered an excellent third quarter, exceeding every one of our guided metrics,” said Steve Vintz, Co-CEO of Tenable. “As AI creates a structural shift in how organizations manage cyber exposure, security is becoming its own business function tied to business risk and growth, and we believe Tenable is uniquely positioned to lead in this new era.”

“Customers are moving from conversation to commitment, and this quarter that increasingly meant expanding their relationship with Tenable One,” said Mark Thurmond, Co-CEO of Tenable. “We are seeing urgency translate into broader adoption, which further validates our leadership in exposure management as the market expands to cover AI.”

Third Quarter 2026 Financial Highlights

  • Revenue was $276.4 million, a 9.5% increase year-over-year
  • GAAP income from operations was $16.7 million, compared to $7.1 million in the third quarter of 2025
  • GAAP operating margin was 6.0%, compared to 2.8% in the third quarter of 2025
  • Non-GAAP income from operations was $74.9 million, compared to $58.9 million in the third quarter of 2025
  • Non-GAAP operating margin was 27.1%, compared to 23.3% in the third quarter of 2025
  • GAAP net income was $11.3 million, compared to $2.3 million in the third quarter of 2025
  • GAAP diluted earnings per share was $0.10, compared to $0.02 per share in the third quarter of 2025
  • Non-GAAP net income was $72.9 million, compared to $51.4 million in the third quarter of 2025
  • Non-GAAP diluted earnings per share was $0.63, compared to $0.42 in the third quarter of 2025
  • Net cash provided by operating activities was $72.5 million, compared to $53.9 million in the third quarter of 2025
  • Unlevered free cash flow was $69.4 million, compared to $58.5 million in the third quarter of 2025
  • Repurchased 6.8 million shares of our common stock for $223.8 million, including 5.3 million shares for $170.5 million in connection with the issuance of our convertible senior notes

Recent Business Highlights

  • Added 413 new enterprise platform customers and 39 net new six-figure customers
  • Dollar-based net expansion rate was 107%, compared to 106% in the second quarter of 2026
  • Integrated Anthropic's Claude Mythos into our Tenable One Exposure Management Platform to power Tenable One Adversary View, helping security teams discover hidden attack paths and how to best remediate them
  • Launched CyberAgents Exchange, the industry's first open-source, vendor-agnostic cybersecurity-native registry for AI agents, skills, MCP servers and multi-agent playbooks
  • Expanded Tenable Hexa AI, our agentic engine, with always-on capabilities, introducing a coordinated fleet of AI agents that continuously identify critical exposures, orchestrate remediation and verify fixes, even when security teams are offline
  • Closed an upsized $800 million convertible senior notes offering along with a new $400 million secured revolving credit facility
  • Joined the White House-led Project Watershed initiative to bolster U.S. water and wastewater systems from evolving cyber threats
  • Recognized by Gartner® as the “Company to Beat” for Preemptive Cybersecurity in AI-Powered Exposure Assessment(1)
  • Ranked first in worldwide market share in the IDC Worldwide Device Vulnerability and Exposure Management Market Shares report for the eighth consecutive year(2)

Financial Outlook

For the fourth quarter of 2026, we currently expect:

  • Revenue in the range of $277.0 million to $280.0 million
  • Non-GAAP income from operations in the range of $67.1 million to $70.1 million
  • Non-GAAP net income in the range of $63.6 million to $66.6 million, assuming interest expense of $1.9 million, interest income of $3.8 million and a provision for income taxes of $4.6 million
  • Non-GAAP diluted earnings per share in the range of $0.56 to $0.58
  • 114.0 million diluted weighted average shares outstanding

For the year ending December 31, 2026, we currently expect:

  • Revenue in the range of $1.084 billion to $1.087 billion
  • Non-GAAP income from operations in the range of $270.0 million to $273.0 million
  • Non-GAAP net income in the range of $250.0 million to $253.0 million, assuming interest expense of $20.4 million, interest income of $11.8 million and a provision for income taxes of $8.7 million
  • Non-GAAP diluted earnings per share in the range of $2.16 to $2.19
  • 115.5 million diluted weighted average shares outstanding
  • Unlevered free cash flow in the range of $289.0 million to $295.0 million

Conference Call Information

Tenable will host a conference call on October 28, 2026 at 4:30 p.m. Eastern Time to discuss its financial results. The conference call can be accessed at 877-407-9716 (U.S.) and 201-493-6779 (international). A live webcast of the event will be available on the Tenable Investor Relations website at https://investors.tenable.com. An archived replay of the live broadcast will be available on the Investor Relations page of the website following the call.

About Tenable

Tenable® is the exposure management company, exposing and closing the cybersecurity gaps that erode business value, reputation and trust. The company’s AI-powered exposure management platform radically unifies security visibility, insight and action across the attack surface, equipping modern organizations to protect against attacks from IT infrastructure to cloud environments to critical infrastructure and everywhere in between. By protecting enterprises from security exposure, Tenable reduces business risk for over 40,000 customers around the globe. Learn more at tenable.com.

Contact Information

Investor Relations
investors@tenable.com

Media Relations
tenablepr@tenable.com

Forward-Looking Statements

This press release includes forward-looking statements within the meaning of the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1995. All statements contained in this press release other than statements of historical fact, including statements regarding our future results of operations and financial position, the ability of our partnership with Anthropic to help security teams discover hidden attack paths and determine how to best remediate them, our ability to continue expanding Tenable One AI Exposure coverage across LLMs, MCPs and AI tools to deliver greater risk visibility and governance, the ability of the Project Watershed initiative to help protect U.S. water and wastewater systems from evolving cyber threats, our business strategy, market opportunity and plans and objectives for future operations, are forward-looking statements and represent our views as of the date of this press release. The words “anticipate,” "believe,” “continue,” “estimate,” “expect,” “intend,” “may,” “will” and similar expressions are intended to identify forward-looking statements. We have based these forward-looking statements on our current expectations and projections about future events and financial trends that we believe may affect our financial condition, results of operations, business strategy, short-term and long-term business operations and objectives and financial needs. These forward-looking statements are subject to a number of assumptions and risks and uncertainties, many of which involve factors or circumstances that are beyond our control that could affect our financial results. These risks and uncertainties are detailed in the sections titled "Risk Factors" and "Management's Discussion and Analysis of Financial Condition and Results of Operations" in our Annual Report on Form 10-K for the year ended December 31, 2025 and other filings that we make from time to time with the SEC, which are available on the SEC's website at sec.gov. Moreover, we operate in a very competitive and rapidly changing environment. New risks emerge from time to time. It is not possible for our management to predict all risks, nor can we assess the impact of all factors on our business or the extent to which any factor, or combination of factors, may cause actual results to differ materially from those contained in any forward-looking statements we may make. In light of these risks, uncertainties and assumptions, the future events and trends discussed in this press release may not occur and actual results could differ materially and adversely from those anticipated or implied in any forward-looking statements. Except as required by law, we are under no obligation to update these forward-looking statements subsequent to the date of this press release, or to update the reasons if actual results differ materially from those anticipated in the forward-looking statements.

Non-GAAP Financial Measures

To supplement our consolidated financial statements, which are prepared and presented in accordance with GAAP, we use certain non-GAAP financial measures, as described below, to understand and evaluate our core operating performance. These non-GAAP financial measures, which may be different than similarly titled measures used by other companies, are presented to enhance the overall understanding of our financial performance and should not be considered a substitute for, or superior to, the financial information prepared and presented in accordance with GAAP.

We believe that these non-GAAP financial measures provide useful information about our financial performance, enhance the overall understanding of our past performance and future prospects and are helpful to investors in comparing our financial results over multiple periods with other companies in our industry.

Reconciliations of non-GAAP financial measures to the most directly comparable GAAP financial measures are included in the financial tables accompanying this press release.

Free Cash Flow and Unlevered Free Cash Flow: We define free cash flow, a non-GAAP financial measure, as net cash provided by operating activities less purchases of property and equipment and capitalized software development costs. We believe free cash flow is an important liquidity measure of the cash that is available (if any), after purchases of property and equipment and capitalized software development costs, for investment in our business and to make acquisitions. We believe that free cash flow is useful as a liquidity measure because it measures our ability to generate cash. We define unlevered free cash flow as free cash flow plus cash paid for interest and other financing costs. We believe unlevered free cash flow is useful as a liquidity measure as it measures the cash that is available to invest in our business and meet our current debt obligations and future financing needs. However, given our debt obligations, non-cancelable commitments and other contractual obligations, unlevered free cash flow does not represent residual cash flow available for discretionary expenses.

Non-GAAP Income from Operations and Non-GAAP Operating Margin: We define these non-GAAP financial measures as their respective GAAP measures, excluding the effect of stock-based compensation, acquisition-related expenses, restructuring expenses, costs related to the intra-entity asset transfers resulting from the internal restructuring of legal entities, and amortization of acquired intangible assets. Acquisition-related expenses include transaction and integration expenses, as well as costs related to the intercompany transfer of acquired intellectual property. Restructuring expenses include non-ordinary course severance, employee related benefits, and other charges to reorganize business operations. We believe that the exclusion of these expenses provides for a useful comparison of our operating results to prior periods and to our peer companies, which commonly exclude restructuring expenses.

Non-GAAP Net Income and Non-GAAP Earnings Per Share: We define non-GAAP net income as GAAP net income (loss), excluding the effect of stock-based compensation, acquisition-related expenses, restructuring expenses, loss on extinguishment of debt and amortization of acquired intangible assets, including the applicable tax impacts. In addition, we exclude the tax impact and related costs of intra-entity asset transfers resulting from the internal restructuring of legal entities and deferred income tax benefits recognized in connection with acquisitions. We use non-GAAP net income to calculate non-GAAP earnings per share. The weighted average shares used to calculate GAAP diluted earnings per share may include dilutive shares related to the potential conversion of our convertible senior notes in periods in which the quarterly average stock price per share exceeds the conversion price of the convertible senior notes. We entered into capped call contracts which are expected to reduce the share dilution related to any conversion of the convertible senior notes, subject to a cap. The weighted average shares used to calculate non-GAAP earnings per share excludes dilution resulting from the potential conversion of our convertible senior notes expected to be offset by the capped call contracts.

Non-GAAP Gross Profit and Non-GAAP Gross Margin: We define non-GAAP gross profit as GAAP gross profit, excluding the effect of stock-based compensation and amortization of acquired intangible assets. Non-GAAP gross margin is defined as non-GAAP gross profit as a percentage of revenue.

Non-GAAP Sales and Marketing Expense, Non-GAAP Research and Development Expense and Non-GAAP General and Administrative Expense: We define these non-GAAP measures as their respective GAAP measures, excluding stock-based compensation, acquisition-related expenses and costs related to intra-entity asset transfers resulting from the internal restructuring of legal entities.

Reports Referenced

(1) Gartner, AI Vendor Race: Tenable Is the Company to Beat for Preemptive Cybersecurity in AI-Powered Exposure Assessment, Elizabeth Kim, Isy Bangurah, Mitchell Schneider, Luis Castillo, 24 June 2026.

The Gartner content described herein, (the "Gartner Content") represents research opinion or viewpoints published, as part of a syndicated subscription service, by Gartner, Inc. ("Gartner"), and are not representations of fact. Gartner Content speaks as of its original publication date (and not as of the date of this press release) and the opinions expressed in the Gartner Content are subject to change without notice.

(2) IDC, Worldwide Device Vulnerability and Exposure Management Market Shares, doc #US53903826, August 2026.

TENABLE HOLDINGS, INC.
CONSOLIDATED STATEMENTS OF OPERATIONS
(unaudited)
 
 Three Months Ended
September 30,
 Nine Months Ended
September 30,
(in thousands, except per share data) 2026   2025   2026   2025 
Revenue$276,387  $252,440  $806,953  $738,872 
Cost of revenue(1) 61,332   56,753   178,334   163,647 
Gross profit 215,055   195,687   628,619   575,225 
Operating expenses:       
Sales and marketing(1) 102,913   99,949   315,771   310,222 
Research and development(1) 62,145   56,265   174,905   168,724 
General and administrative(1) 33,141   32,337   96,874   114,302 
Restructuring 147   —   3,229   — 
Total operating expenses 198,346   188,551   590,779   593,248 
Income (loss) from operations 16,709   7,136   37,840   (18,023)
Interest income 2,573   3,590   7,925   12,597 
Interest expense (8,270)  (7,213)  (21,118)  (21,363)
Other expense, net (248)  (703)  (1,860)  (204)
Income (loss) before income taxes 10,764   2,810   22,787   (26,993)
(Benefit) provision for income taxes (535)  550   6,269   8,388 
Net income (loss)$11,299  $2,260  $16,518  $(35,381)
        
Net earnings (loss) per share:       
Basic$0.10  $0.02  $0.15  $(0.29)
Diluted$0.10  $0.02  $0.14  $(0.29)
        
Weighted-average shares used to compute net earnings (loss) per share:       
Basic 108,974   120,483   111,846   120,516 
Diluted 115,970   121,953   115,785   120,516 

_______________
(1) Includes stock-based compensation as follows:

 Three Months Ended
September 30,
 Nine Months Ended
September 30,
  2026  2025  2026  2025
Cost of revenue$3,378 $3,495 $10,218 $10,270
Sales and marketing 17,935  17,051  53,276  51,499
Research and development 18,837  14,174  45,852  42,441
General and administrative(2) 11,067  10,162  32,074  43,101
Total stock-based compensation$51,217 $44,882 $141,420 $147,311

_______________
(2) Stock-based compensation in the nine months ended September 30, 2025 includes $14.6 million of expense related to the accelerated vesting of equity awards for our former Chairman and Chief Executive Officer.

TENABLE HOLDINGS, INC.
CONSOLIDATED BALANCE SHEETS
 
 September 30, 2026 December 31, 2025
(in thousands, except per share data)(unaudited)  
Assets   
Current assets:   
Cash and cash equivalents$317,401  $187,762 
Short-term investments 177,860   214,419 
Accounts receivable (net of allowance for doubtful accounts of $386 and $656 at September 30, 2026 and December 31, 2025, respectively) 211,019   279,150 
Deferred commissions 50,559   52,914 
Prepaid expenses and other current assets 55,343   39,339 
Total current assets 812,182   773,584 
Property and equipment, net 50,488   40,062 
Deferred commissions (net of current portion) 64,589   71,715 
Operating lease right-of-use assets 39,967   35,558 
Acquired intangible assets, net 94,949   115,296 
Goodwill 697,886   697,886 
Other assets 12,951   13,566 
Total assets$1,773,012  $1,747,667 
    
Liabilities and Stockholders’ Equity   
Current liabilities:   
Accounts payable and accrued expenses$26,585  $21,889 
Accrued compensation 55,621   69,166 
Deferred revenue 685,375   706,866 
Operating lease liabilities 9,302   9,596 
Other current liabilities 2,033   5,432 
Total current liabilities 778,916   812,949 
Deferred revenue (net of current portion) 178,048   192,410 
Convertible senior notes, net 779,016   — 
Term loan, net of issuance costs (net of current portion) —   354,209 
Operating lease liabilities (net of current portion) 52,774   50,877 
Other liabilities 10,730   10,846 
Total liabilities 1,799,484   1,421,291 
    
Stockholders’ equity:   
Common stock (par value: $0.01; 500,000 shares authorized; 133,597 and 129,046 shares issued at September 30, 2026 and December 31, 2025, respectively) 1,336   1,290 
Additional paid-in capital 1,682,036   1,586,727 
Treasury stock (at cost: 28,737 and 10,596 shares at September 30, 2026 and December 31, 2025, respectively) (828,270)  (364,574)
Accumulated other comprehensive (loss) income (638)  387 
Accumulated deficit (880,936)  (897,454)
Total stockholders’ (deficit) equity (26,472)  326,376 
Total liabilities and stockholders’ (deficit) equity$1,773,012  $1,747,667 
        


TENABLE HOLDINGS, INC.
CONSOLIDATED STATEMENTS OF CASH FLOWS
(unaudited)
 
 Nine Months Ended September 30,
(in thousands) 2026   2025 
Cash flows from operating activities:   
Net income (loss)$16,518  $(35,381)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:  
Depreciation and amortization 31,090   31,817 
Stock-based compensation 141,420   147,311 
Net accretion of discounts and amortization of premiums on short-term investments (1,182)  (2,568)
Loss on extinguishment of debt 2,415   — 
Other 4,283   3,880 
Changes in operating assets and liabilities:   
Accounts receivable 68,401   59,733 
Prepaid expenses and other assets (7,392)  16,877 
Accounts payable, accrued expenses and accrued compensation (12,058)  (9,795)
Deferred revenue (35,853)  (30,413)
Other current and noncurrent liabilities (2,439)  2,259 
Net cash provided by operating activities 205,203   183,720 
    
Cash flows from investing activities:   
Purchases of property and equipment (7,464)  (11,768)
Capitalized software development costs (11,712)  (2,676)
Purchases of short-term investments (127,746)  (116,687)
Sales and maturities of short-term investments 164,461   156,171 
Proceeds from other investments —   852 
Purchases of other investments (300)  — 
Business combinations, net of cash acquired —   (196,182)
Net cash provided by (used in) investing activities 17,239   (170,290)
    
Cash flows from financing activities:   
Proceeds from issuance of convertible senior notes 800,000   — 
Payment of issuance costs of convertible senior notes (21,154)  — 
Purchase of capped calls (64,080)  — 
Payments on term loan (360,000)  (2,813)
Proceeds from stock issued in connection with the employee stock purchase plan 13,084   15,482 
Proceeds from the exercise of stock options 3,527   2,420 
Payments for taxes related to net share settlement of equity awards (8,465)  (1,329)
Purchase of treasury stock (454,038)  (184,968)
Net cash used in financing activities (91,126)  (171,208)
Effect of exchange rate changes on cash and cash equivalents and restricted cash (1,677)  983 
Net increase (decrease) in cash and cash equivalents and restricted cash 129,639   (156,795)
Cash and cash equivalents and restricted cash at beginning of period 187,762   328,647 
Cash and cash equivalents and restricted cash at end of period$317,401  $171,852 
        


TENABLE HOLDINGS, INC.
REVENUE COMPONENTS AND RECONCILIATION OF GAAP TO NON-GAAP FINANCIAL MEASURES
(unaudited)
 
RevenueThree Months Ended
September 30,
 Nine Months Ended
September 30,
(in thousands) 2026  2025  2026  2025
Subscription revenue$254,600 $232,211 $746,014 $680,685
Perpetual license and maintenance revenue 9,713  11,088  29,737  34,051
Professional services and other revenue 12,074  9,141  31,202  24,136
Revenue(1)$276,387 $252,440 $806,953 $738,872

_______________
(1) Recurring revenue, which includes revenue from subscription arrangements for software (both recognized ratably over the subscription term and upon delivery) and cloud-based solutions and maintenance associated with perpetual licenses, represented 95% of revenue in the three and nine months ended September 30, 2026 and 95% and 96%, respectively, of revenue in the three and nine months ended September 30, 2025.

Remaining Performance ObligationsSeptember 30, Change
(in thousands) 2026  2025 %
Remaining performance obligations, short-term$747,222 $669,015 11.7%
Remaining performance obligations, long-term 315,822  259,849 21.5%
Remaining performance obligations$1,063,044 $928,864 14.4%
         


Free Cash Flow and Unlevered Free Cash FlowThree Months Ended
September 30,
 Nine Months Ended
September 30,
(in thousands) 2026   2025   2026   2025 
Net cash provided by operating activities$72,516  $53,850  $205,203  $183,720 
Purchases of property and equipment (3,504)  (867)  (7,464)  (11,768)
Capitalized software development costs (4,789)  (1,353)  (11,712)  (2,676)
Free cash flow(1) 64,223   51,630   186,027   169,276 
Cash paid for interest and other financing costs 5,176   6,854   17,292   20,287 
Unlevered free cash flow(1)$69,399  $58,484  $203,319  $189,563 

________________
(1) Free cash flow and unlevered free cash flow for the periods presented were impacted by:

 Three Months Ended
September 30,
 Nine Months Ended
September 30,
(in thousands) 2026   2025   2026   2025 
Employee stock purchase plan activity$365  $(4,824) $(917) $(5,314)
Acquisition-related expenses —   (311)  (157)  (5,130)
Restructuring (2,055)  —   (5,053)  — 
                


Non-GAAP Income from Operations and Non-GAAP Operating MarginThree Months Ended
September 30,
 Nine Months Ended
September 30,
(dollars in thousands) 2026   2025   2026   2025 
Income (loss) from operations$16,709  $7,136  $37,840  $(18,023)
Stock-based compensation 51,217   44,882   141,420   147,311 
Acquisition-related expenses 33   113   90   6,815 
Restructuring 147   —   3,229   — 
Amortization of acquired intangible assets 6,782   6,782   20,347   19,183 
Non-GAAP income from operations$74,888  $58,913  $202,926  $155,286 
Operating margin 6.0%  2.8%  4.7% (2.4
)%
Non-GAAP operating margin 27.1%  23.3%  25.1%  21.0%
                


Non-GAAP Net Income and Non-GAAP Earnings Per ShareThree Months Ended
September 30,
 Nine Months Ended
September 30,
(in thousands, except per share data) 2026   2025   2026   2025 
Net income (loss)$11,299  $2,260  $16,518  $(35,381)
Stock-based compensation 51,217   44,882   141,420   147,311 
Tax impact of stock-based compensation(1) 832   (2,552)  2,235   (656)
Acquisition-related expenses(2) 33   113   90   6,815 
Restructuring(2) 147   —   3,229   — 
Loss on extinguishment of debt(2) 2,637   —   2,637   — 
Amortization of acquired intangible assets(2) 6,782   6,782   20,347   19,183 
Tax impact of acquisitions (35)  (47)  (64)  (147)
Non-GAAP net income$72,912  $51,438  $186,412  $137,125 
        
Net earnings (loss) per share, diluted$0.10  $0.02  $0.14  $(0.29)
Stock-based compensation 0.44   0.37   1.22   1.22 
Tax impact of stock-based compensation(1) 0.01   (0.02)  0.02   (0.01)
Acquisition-related expenses(2) —   —   —   0.06 
Restructuring(2) —   —   0.03   — 
Loss on extinguishment of debt(2) 0.02   —   0.02   — 
Amortization of acquired intangible assets(2) 0.06   0.05   0.18   0.16 
Tax impact of acquisitions —   —   —   — 
Adjustment to diluted earnings per share(3) —   —   —   (0.03)
Non-GAAP earnings per share, diluted$0.63  $0.42  $1.61  $1.11 
        
Weighted-average shares used to compute GAAP net earnings (loss) per share, diluted 115,970   121,953   115,785   120,516 
        
Weighted-average shares used to compute non-GAAP earnings per share, diluted 115,970   121,953   115,785   122,995 

________________
(1) The tax impact of stock-based compensation is based on the tax treatment for the applicable tax jurisdictions.
(2) The tax impact of acquisition-related expenses, restructuring, loss on extinguishment of debt and the amortization of acquired intangible assets are not material.
(3) An adjustment to reconcile GAAP net loss per share, which excludes potentially dilutive shares, to non-GAAP earnings per share, which includes potentially dilutive shares.

Non-GAAP Gross Profit and Non-GAAP Gross MarginThree Months Ended
September 30,
 Nine Months Ended
September 30,
(dollars in thousands) 2026   2025   2026   2025 
Gross profit$215,055  $195,687  $628,619  $575,225 
Stock-based compensation 3,378   3,495   10,218   10,270 
Amortization of acquired intangible assets 6,782   6,782   20,347   19,183 
Non-GAAP gross profit$225,215  $205,964  $659,184  $604,678 
Gross margin 77.8%  77.5%  77.9%  77.9%
Non-GAAP gross margin 81.5%  81.6%  81.7%  81.8%
                


Non-GAAP Sales and Marketing ExpenseThree Months Ended
September 30,
 Nine Months Ended
September 30,
(dollars in thousands) 2026   2025   2026   2025 
Sales and marketing expense$102,913  $99,949  $315,771  $310,222 
Less: Stock-based compensation 17,935   17,051   53,276   51,499 
Less: Acquisition-related expenses —   8   —   1,320 
Non-GAAP sales and marketing expense$84,978  $82,890  $262,495  $257,403 
Non-GAAP sales and marketing expense % of revenue 30.7%  32.8%  32.5%  34.8%
                


Non-GAAP Research and Development ExpenseThree Months Ended
September 30,
 Nine Months Ended
September 30,
(dollars in thousands) 2026   2025   2026   2025 
Research and development expense$62,145  $56,265  $174,905  $168,724 
Less: Stock-based compensation 18,837   14,174   45,852   42,441 
Less: Acquisition-related expenses —   3   —   1,774 
Non-GAAP research and development expense$43,308  $42,088  $129,053  $124,509 
Non-GAAP research and development expense % of revenue 15.7%  16.7%  16.0%  16.9%
                


Non-GAAP General and Administrative ExpenseThree Months Ended
September 30,
 Nine Months Ended
September 30,
(dollars in thousands) 2026   2025   2026   2025 
General and administrative expense$33,141  $32,337  $96,874  $114,302 
Less: Stock-based compensation 11,067   10,162   32,074   43,101 
Less: Acquisition-related expenses 33   102   90   3,721 
Non-GAAP general and administrative expense$22,041  $22,073  $64,710  $67,480 
Non-GAAP general and administrative expense % of revenue 8.0%  8.7%  8.0%  9.1%
                

The following adjustments to reconcile forecasted non-GAAP income from operations, non-GAAP net income, non-GAAP earnings per share, free cash flow and unlevered free cash flow are subject to a number of uncertainties and assumptions, each of which are inherently difficult to forecast. As a result, actual adjustments and GAAP results may differ materially.

Forecasted Non-GAAP Income from OperationsThree Months Ending
December 31, 2026
 Year Ending
December 31, 2026
(in millions)Low High Low High
Forecasted income from operations$16.1 $19.1 $54.0 $57.0
Forecasted stock-based compensation 43.9  43.9  185.3  185.3
Forecasted acquisition-related expenses —  —  0.1  0.1
Forecasted restructuring 0.5  0.5  3.7  3.7
Forecasted amortization of acquired intangible assets 6.6  6.6  26.9  26.9
Forecasted non-GAAP income from operations$67.1 $70.1 $270.0 $273.0
            


Forecasted Non-GAAP Net Income and Non-GAAP Earnings Per ShareThree Months Ending
December 31, 2026
 Year Ending
December 31, 2026
(in millions, except per share data)Low High Low High
Forecasted net income(1)$10.8 $13.8 $27.4  $30.4 
Forecasted stock-based compensation 43.9  43.9  185.3   185.3 
Forecasted tax impact of stock-based compensation 1.8  1.8  4.1   4.1 
Forecasted acquisition-related expenses —  —  0.1   0.1 
Forecasted restructuring 0.5  0.5  3.7   3.7 
Forecasted loss on extinguishment of debt —  —  2.6   2.6 
Forecasted amortization of acquired intangible assets 6.6  6.6  26.9   26.9 
Forecasted tax impact of acquisitions —  —  (0.1)  (0.1)
Forecasted non-GAAP net income$63.6 $66.6 $250.0  $253.0 
        
Forecasted net earnings per share, diluted(1)$0.09 $0.12 $0.24  $0.26 
Forecasted stock-based compensation 0.39  0.38  1.60   1.60 
Forecasted tax impact of stock-based compensation 0.02  0.02  0.04   0.05 
Forecasted acquisition-related expenses —  —  —   — 
Forecasted restructuring —  —  0.03   0.03 
Forecasted loss on extinguishment of debt —  —  0.02   0.02 
Forecasted amortization of acquired intangible assets 0.06  0.06  0.23   0.23 
Forecasted tax impact of acquisitions —  —  —   — 
Forecasted non-GAAP earnings per share, diluted$0.56 $0.58 $2.16  $2.19 
        
Forecasted weighted-average shares used to compute non-GAAP earnings per share, diluted 114.0  114.0  115.5   115.5 

________________
(1) The forecasted GAAP net income assumes income tax expense of $6.4 million and $12.7 million in the three months and year ending December 31, 2026, respectively.

Forecasted Non-GAAP Interest Expense
(in millions)
Three Months Ending
December 31, 2026
 Year Ending
December 31, 2026
Forecasted interest expense$1.9 $23.0 
Forecasted loss on extinguishment of debt —  (2.6)
Forecasted non-GAAP interest expense$1.9 $20.4 
       


Forecasted Free Cash Flow and Unlevered Free Cash FlowYear Ending
December 31, 2026
(in millions)Low High
Forecasted net cash provided by operating activities$297.6  $303.6 
Forecasted purchases of property and equipment (10.5)  (10.5)
Forecasted capitalized software development costs (15.4)  (15.4)
Forecasted free cash flow 271.7   277.7 
Forecasted cash paid for interest and other financing costs 17.3   17.3 
Forecasted unlevered free cash flow$289.0  $295.0 
        



FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What were Tenable’s Q3 2026 revenue and earnings?

Tenable reported revenue of $276.4 million and GAAP diluted earnings of $0.10 per share for the quarter ended September 30, 2026. Revenue grew 9.5% year over year, while GAAP diluted earnings increased from $0.02 per share.

What is Tenable’s full-year 2026 guidance?

Tenable expects 2026 revenue of $1.084 billion to $1.087 billion and non-GAAP diluted earnings of $2.16 to $2.19 per share. Its outlook includes non-GAAP operating income of $270.0 million to $273.0 million and unlevered free cash flow of $289.0 million to $295.0 million.

How many shares did Tenable repurchase in connection with its convertible notes issuance?

Tenable repurchased 5.3 million shares for $170.5 million in connection with the convertible senior notes issuance. Those purchases were included in the quarter’s total repurchases of 6.8 million shares for $223.8 million.

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