Form 4: REGENXBIO CEO Sells Shares for Tax Obligations

REGENXBIO Inc.'s CEO, Curran Simpson, disposed of 18,559 common shares to cover tax liabilities related to RSU vesting.

Summary

• Curran Simpson, Chief Executive Officer and Director of REGENXBIO Inc. (RGNX), reported a transaction involving the company's common stock.
• On January 2, 2026, Simpson disposed of 18,559 shares of common stock.
• This disposition was an 'F' transaction code, indicating shares withheld to pay taxes upon the vesting of restricted stock units (RSUs).
• The RSUs were originally granted on January 3, 2022, January 3, 2023, January 2, 2024, and January 2, 2025.
• The number of shares withheld was determined on January 2, 2026, based on the closing price of the issuer's common stock on December 31, 2025, which was $14.4 per share.
• Following this transaction, Simpson beneficially owns 197,603 shares of REGENXBIO Inc. common stock directly.

Sentiment

Score: 5

Explanation: The filing reports a routine, non-discretionary insider transaction for tax purposes related to RSU vesting, which is neutral in terms of company performance or strategic direction.

Positives

• The transaction represents the vesting of previously granted restricted stock units, indicating that compensation milestones for the CEO have been met.

Negatives

• The disposition of shares, while for tax purposes, reduces the direct beneficial ownership of the CEO in the company.

Future Outlook

This filing does not contain any forward-looking statements or guidance regarding the company's future performance or outlook.

Industry Context

This Form 4 filing is a routine disclosure of an insider transaction, specifically the disposition of shares for tax withholding related to RSU vesting. It does not provide information relevant to broader industry trends or competitive landscape.

Stakeholder Impact

• Shareholders: Minimal impact, as this is a routine, non-discretionary transaction for tax purposes and does not reflect a change in management's investment sentiment or company fundamentals.
• Employees: The vesting of RSUs is a standard component of executive compensation, reflecting the fulfillment of employment terms.

Key Dates

Recommendation

This Form 4 filing details a routine insider transaction where the CEO disposed of shares solely to cover tax obligations upon the vesting of restricted stock units. This is a common and expected event in executive compensation and does not indicate any change in the company's fundamental outlook, management's confidence, or operational performance. Therefore, it provides no new information that would warrant a change in an existing investment thesis, leading to a 'hold' recommendation.

Keywords

REGENXBIO, RGNX, Curran Simpson, Form 4, insider transaction, stock sale, RSU vesting, tax withholding, CEO