Form 4: Tenable Co-CEO Thurmond Reports Routine Stock Vesting

Tenable Holdings Co-CEO Mark C. Thurmond reported the vesting of restricted stock units and performance restricted stock units, alongside associated tax withholdings.

Summary

• Mark C. Thurmond, Co-Chief Executive Officer and Director of Tenable Holdings, Inc., reported multiple transactions on February 23, 2026.
• These transactions involved the acquisition of 63,318 shares of Common Stock through the vesting of Restricted Stock Units (RSUs) and Performance Restricted Stock Units (PRSUs).
• Concurrently, 21,282 shares of Common Stock were disposed of at a price of $17.55 per share to satisfy income tax withholding obligations related to the net settlement of these RSUs and PRSUs.
• The 'F' transactions represent tax withholding, not a discretionary sale by Mr. Thurmond.
• Following these transactions, Mr. Thurmond beneficially owns 155,675 shares of Common Stock directly.
• Remaining derivative securities include 4,654 PRSUs, 18,140 PRSUs, 14,852 RSUs, 93,172 RSUs, and 34,944 RSUs, which will vest over time.
• Payouts for PRSUs were certified at 106% for fiscal year 2022, 93.9% for fiscal year 2023, and 96.4% for fiscal year 2024.

Sentiment

Score: 6

Explanation: StockSavvy.ai views this as a routine and expected filing, reflecting standard executive compensation practices. The achievement of PRSU targets is a positive, but the overall impact is neutral as it's a compensation event, not a new operational or financial announcement.

Positives

• The vesting of a significant number of Restricted Stock Units (RSUs) and Performance Restricted Stock Units (PRSUs) indicates continued compensation for the Co-CEO.
• The achievement of performance criteria for PRSUs, with payouts ranging from 93.9% to 106% for fiscal years 2022-2024, suggests the company met or exceeded certain internal targets.
• The ongoing vesting schedule over three years, subject to continuous service, aligns management's interests with long-term company performance.

Negatives

• A total of 21,282 shares were disposed of to cover tax withholding obligations, which, while routine, reduces the direct shareholding of the Co-CEO.

Future Outlook

The filing details future vesting schedules for remaining RSUs and PRSUs, indicating continued equity compensation for the reporting person over the next three years, subject to continuous service.

Industry Context

StockSavvy.ai notes that routine insider filings like Form 4, detailing RSU vesting and tax-related share disposals, are common across the technology and cybersecurity sectors. These transactions reflect standard executive compensation practices and do not typically signal a change in strategic direction or operational performance for companies like Tenable.

Comparison to Industry Standards

• The use of Restricted Stock Units (RSUs) and Performance Restricted Stock Units (PRSUs) as a significant component of executive compensation is standard practice in the technology industry, comparable to companies like CrowdStrike (CRWD) or Zscaler (ZS).
• The practice of withholding shares to cover tax obligations upon vesting is a common mechanism for net settlement of equity awards, widely adopted by public companies to manage executive compensation and tax liabilities efficiently.
• The multi-year vesting schedules (e.g., 25% initially, then quarterly over 3 years) are typical for retaining key executives and aligning their long-term interests with shareholder value, similar to vesting schedules observed at Microsoft (MSFT) or Adobe (ADBE).

Related Party Transactions

• The vesting of Restricted Stock Units (RSUs) and Performance Restricted Stock Units (PRSUs) for Mark C. Thurmond, Co-Chief Executive Officer and Director, constitutes a related party transaction as it involves compensation to an executive officer.

Stakeholder Impact

• Shareholders: The vesting and subsequent tax-related share disposals are routine and expected, reflecting ongoing executive compensation. The slight increase in shares outstanding from vesting is typically accounted for in dilution models.
• Employees: The continued vesting of equity awards for a key executive reinforces the company's compensation structure, which may positively influence employee morale and retention, particularly for those with similar equity incentives.

Next Steps

• Remaining PRSUs and RSUs will continue to vest in equal quarterly installments over approximately three years, subject to continuous service.

Key Dates

Recommendation

This Form 4 filing details routine executive compensation events, specifically the vesting of restricted stock units and performance-based awards, along with associated tax withholdings. These transactions are expected and do not provide new material information regarding the company's operational performance, financial health, or strategic direction that would warrant a change in investment recommendation. The filing confirms ongoing executive alignment through equity, which is a neutral to slightly positive factor, but not enough to alter a "hold" stance based solely on this report.

Keywords

Tenable Holdings, TENB, Form 4, Insider Transaction, Restricted Stock Units, RSU, Performance Restricted Stock Units, PRSU, Stock Vesting, Executive Compensation, Mark C. Thurmond, Co-CEO, Director, Share Ownership, Tax Withholding