Tenable Holdings, Inc. (TENB) - 2025 Annual Report (10-K) Summary
Business Context and Reporting Period
This summary covers the fiscal year ended December 31, 2025. Tenable Holdings, Inc. is the leading provider of exposure management solutions, unifying security visibility across IT infrastructure, cloud environments, critical infrastructure, and artificial intelligence (AI). The company operates as a single segment and sells primarily through a two-tiered channel network of distributors and resellers. As of December 31, 2025, Tenable had over 40,000 customers, including approximately 65% of the Fortune 500.
Key Financial Metrics
| Metric | 2025 | 2024 | Change |
|---|---|---|---|
| Revenue | $999.4 million | $900.0 million | +11% |
| Net Loss | $(36.1) million | $(36.3) million | Flat |
| Net Loss Per Share | $(0.30) | $(0.31) | -3% |
| Operating Cash Flow | $266.8 million | $217.5 million | +23% |
| Free Cash Flow | $250.2 million* | $208.8 million* | +20% |
| Gross Margin | 78% | 78% | 0% |
| Deferred Revenue | $899.3 million | $833.2 million | +8% |
| Cash & Investments | $402.2 million | $577.2 million | -30% |
| Debt (Term Loan) | $360.0 million | $360.0 million | 0% |
*Free Cash Flow calculated as Operating Cash Flow less Purchases of Property and Equipment and Capitalized Software Development Costs.
Material Changes vs. Prior Period
- Revenue Growth: Revenue increased 11% year-over-year, driven by a 12% increase in subscription revenue ($919.6 million) and a 27% increase in professional services. Perpetual license revenue declined 7%.
- Expense Increases: Operating expenses rose significantly due to strategic investments and one-time items. Research and Development (R&D) increased 23% ($223.7 million) primarily due to headcount growth. General and Administrative (G&A) expenses increased 18% ($145.9 million), including $15.5 million in termination benefits related to the passing of the former Chairman and CEO.
- Acquisitions: The company completed two major acquisitions in 2025: Apex Security (AI security) for $47.8 million and Vulcan Cyber (cyber risk management) for $148.5 million. Total acquisition spend was $196.2 million.
- Share Repurchases: The company aggressively returned capital to shareholders, repurchasing 2.3 million shares in Q4 2025 alone. Total repurchases for the year were 10.6 million shares for $362.4 million.
- Stock-Based Compensation: Total stock-based compensation expense increased to $191.8 million (up from $163.5 million in 2024), including $14.6 million in accelerated vesting for the former CEO.
Guidance, Outlook, and Risks
Outlook and Strategy: Management expects to continue investing in R&D and sales/marketing to expand the Tenable One platform, particularly in AI security and cloud exposure management. The company anticipates gross margins may fluctuate due to cloud infrastructure costs but expects operating expenses to decrease as a percentage of revenue over the long term. No specific numerical guidance for 2026 was provided in this text.
Key Risks and Contingencies:
- Profitability: The company has a history of losses and an accumulated deficit of $897.5 million. Future profitability is not guaranteed.
- Concentration Risk: 94% of revenue is derived from channel partners. One distributor, Ingram Micro, accounted for 32% of 2025 revenue.
- AI and Cybersecurity Risks: The company faces risks related to the accuracy of its AI outputs, potential regulatory changes (e.g., EU AI Act), and the inherent risk of being a target for cyberattacks.
- Geopolitical Factors: Operations in Israel and reliance on global supply chains expose the company to geopolitical tensions and potential disruptions.
- Debt Covenants: The company is subject to restrictive covenants under its Credit Agreement, including limitations on dividends and additional indebtedness.
Investor Verification Checklist
- Customer Concentration: Verify the stability of the relationship with Ingram Micro, which represents nearly one-third of total revenue.
- Acquisition Integration: Assess the integration progress and revenue contribution of the Apex Security and Vulcan Cyber acquisitions.
- One-Time Expenses: Analyze the impact of the $15.5 million termination benefit and $3.1 million restructuring charge on normalized operating margins.
- Share Repurchase Impact: Evaluate the sustainability of the $700 million share repurchase authorization given the company's continued net losses and cash burn from acquisitions.
- Deferred Revenue Quality: Review the composition of the $899.3 million deferred revenue balance to ensure it reflects sustainable future growth.