REGENXBIO Inc. 4

CTO Craig Malzahn had 8,196 REGENXBIO Inc. common shares withheld for taxes upon RSU vesting, leaving him with 81,960 shares owned.

On September 1, 2026, REGENXBIO Inc. Chief Technology Officer Craig Malzahn had 8,196 shares of common stock withheld by the company at an implied price of $9.32 per share to cover tax obligations arising from the vesting of previously granted restricted stock units, a non-open-market, compensation-related transaction that does not reflect a discretionary purchase or sale. Following this tax withholding event, Malzahn beneficially owned 81,960 shares of REGENXBIO common stock directly. The withholding amount was calculated based on the issuer’s closing stock price on the vesting date, consistent with standard equity-compensation tax practices.

Filing Facts

CIK

1590877

Ticker

RGNX

Form

4

Source Type

fda

Accession

0002062007-26-000005

Alert Tier

4