InsiderTrades

Form 4 for RGNX REGENXBIO Inc.

Accepted 2025-10-01 00:00:00 ET · period of report 2025-09-29 · accession 0001346164-25-000003 · 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 2025-10-01 2025-09-29 RGNX Simpson Curran CEO, Dir S - Sale $10.03 -7,624 237.0K -3% -$76.5K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-09-29 S D 7,624 $10.03 236,973 D — — (F2) This transaction was executed in multiple trades at prices ranging from $10.00 to $10.08. 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.