REGENXBIO (RGNX) CFO Mitchell Chan Withholds 4,902 Shares for Taxes

What Happened

• Mitchell Chan, Chief Financial Officer of REGENXBIO (RGNX), had 4,902 shares of common stock withheld to satisfy tax withholding related to the vesting of restricted stock units (RSUs). The withheld shares were valued at $9.32 each, totaling $45,687. This was a tax-withholding disposition rather than an open-market sale.

Key Details

• Transaction date: 2026-09-01; Filing date: 2026-09-03 (filed within the required Form 4 timeframe).
• Price per share: $9.32; Total value of shares withheld: $45,687.
• Transaction code: F (shares withheld to pay taxes upon vesting).
• Shares owned after transaction: not disclosed in the provided filing.
• Footnote: The shares were withheld to pay taxes on RSUs originally granted to Chan on September 16, 2024; the number withheld was determined using the issuer’s closing stock price on September 1, 2026.

Context

• This was a routine tax-withholding event following RSU vesting (often called a cashless/stock settlement for taxes) and is not the same as an open-market sale signaling a change in sentiment.