REGENXBIO Inc. (RGNX) Insider Ownership

Historic Ownership Trends

There are no significant Insider Shareholders in REGENXBIO as of December 12, 2025.

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Allan M. Fox 1,549,035 03 Jun, 2025
Kenneth T. Mills 482,871 03 Jun, 2025
Vittal Vasista Chief Financial Officer 246,534 21 Mar, 2024
Olivier Danos Chief Scientific Officer 226,348 04 Apr, 2025
Curran Simpson Chief Executive Officer 216,162 10 Oct, 2025
Steve Pakola Chief Medical Officer 210,717 04 Apr, 2025
Patrick J. Christmas Chief Strategy & Legal Officer 151,411 04 Aug, 2025
Mitchell Chan Chief Financial Officer 53,968 03 Sep, 2025
Jennifer Zachary 22,064 03 Jun, 2025
Argeris N Karabelas 19,054 03 Jun, 2025
Alexandra Glucksmann 19,054 03 Jun, 2025
George V Migausky 19,054 03 Jun, 2025
David C Stump 19,054 03 Jun, 2025
Daniel Tasse 19,054 03 Jun, 2025
Jean Bennett 19,054 03 Jun, 2025
Craig Malzahn Chief Technology Officer 17,585 03 Sep, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
09 Oct, 2025 Curran Simpson Common Stock D 20,811 $12.62 216,162 D S
29 Sep, 2025 Curran Simpson Common Stock D 7,624 $10.03 236,973 D S
10 Sep, 2025 Curran Simpson Common Stock D 7,734 $10.02 244,597 D S
01 Sep, 2025 Craig Malzahn Common Stock D 234 $8.93 17,585 D F
01 Sep, 2025 Mitchell Chan Common Stock D 4,901 $8.93 53,968 D F
01 Sep, 2025 Craig Malzahn - - 17,585 D
01 Aug, 2025 Patrick J. Christmas Common Stock D 4,699 $8.19 151,411 D F
01 Aug, 2025 Patrick J. Christmas - - 151,411 D
01 Jul, 2025 Curran Simpson Common Stock D 4,701 $8.23 252,331 D F
30 May, 2025 Jean Bennett Common Stock A 7,768 $0.00 19,054 D A
30 May, 2025 Daniel Tasse Common Stock A 7,768 $0.00 19,054 D A
30 May, 2025 Kenneth T. Mills Common Stock A 7,768 $0.00 482,871 D A
30 May, 2025 Argeris N Karabelas Common Stock A 7,768 $0.00 19,054 D A
30 May, 2025 Allan M. Fox Common Stock A 7,768 $0.00 19,054 D A
30 May, 2025 Jennifer Zachary - - 22,064 D
30 May, 2025 George V Migausky Common Stock A 7,768 $0.00 19,054 D A
30 May, 2025 David C Stump Common Stock A 7,768 $0.00 19,054 D A
30 May, 2025 Alexandra Glucksmann Common Stock A 7,768 $0.00 19,054 D A
30 May, 2025 Jennifer Zachary Common Stock A 7,768 $0.00 22,064 D A
12 May, 2025 Kenneth T. Mills Common Stock A 20,602 $3.76 495,705 D M