REGENXBIO (RGNX) Patrick J. Christmas, CSLO, Sells 4,699 Shares

What Happened
Patrick J. Christmas, REGENXBIO's Chief Strategy & Legal Officer, had 4,699 shares of common stock withheld to satisfy tax withholding obligations tied to the vesting of restricted stock units. The withholding occurred on 2026-08-01 at an implied price of $9.69 per share, resulting in a disposition valued at $45,533. This was a tax-withholding transaction (code F), not an open-market sale.

Key Details

• Transaction date: 2026-08-01; Filing date (Form 4): 2026-08-04.
• Shares disposed/withheld: 4,699 at $9.69 per share — total value $45,533.
• Transaction code: F (shares withheld to pay tax liability upon RSU vesting).
• Footnote: The shares withheld relate to RSUs granted Aug 1, 2024; the number withheld was determined using the issuer's closing price on Aug 1, 2026.
• Shares owned after the transaction: not specified in the provided filing.

Context
Share withholding to cover taxes on vested RSUs is a routine administrative transaction and differs from an intentional open-market sale by an insider. Such withholdings generally do not signal a change in the insider's view of the company.