Form 4: REGENXBIO CTO Sells Shares for Tax Obligations

REGENXBIO's Chief Technology Officer, Craig Malzahn, disposed of 1,238 common shares to cover tax liabilities from vested restricted stock units.

Summary

• Craig Malzahn, Chief Technology Officer of REGENXBIO Inc. (RGNX), reported a transaction involving the company's common stock.
• On January 2, 2026, 1,238 shares of common stock were disposed of.
• This disposition was coded as 'F', indicating shares withheld to pay taxes upon the vesting of restricted stock units (RSUs).
• The shares were valued at $14.4 per share for tax purposes.
• Following this transaction, Craig Malzahn beneficially owns 16,347 shares of REGENXBIO Inc. common stock directly.
• The RSUs that vested were originally granted on January 3, 2022, January 3, 2023, and January 2, 2024.
• 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.

Sentiment

Score: 5

Explanation: The filing reports a routine insider transaction for tax withholding upon RSU vesting, which is a neutral event and does not indicate a change in company fundamentals or management sentiment.

Future Outlook

N/A

Industry Context

N/A

Stakeholder Impact

• Shareholders: Minimal impact as this is a routine, non-discretionary transaction for tax purposes and does not reflect a change in the insider's investment thesis or company outlook.

Key Dates

Keywords

REGENXBIO, RGNX, Form 4, insider transaction, stock sale, restricted stock units, RSU, tax withholding, Craig Malzahn