InsiderTrades

Form 4 for RGNX REGENXBIO Inc.

Accepted 2025-10-10 00:00:00 ET · period of report 2025-10-09 · accession 0001346164-25-000005 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
T 2025-10-10 2025-10-09 RGNX Simpson Curran CEO, Dir S - Sale $12.62 -20.8K 216.2K -9% -$262.6K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-10-09 S D 20,811 $12.62 216,162 D — — (F2) This transaction was executed in multiple trades at prices ranging from $12.50 to $12.84. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.