REGENXBIO Inc. (RGNX) Insider Ownership

Historic Insider Ownership Trends

Based on data from the past 90 days ending January 10, 2026, REGENXBIO's three largest insider shareholders are Director Allan M. Fox (1.55Mn shares), Director Kenneth T. Mills (482.87K shares), Chief Executive Officer Curran Simpson (342.47K shares).

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
Curran Simpson Chief Executive Officer 342,467 08 Jan, 2026
Steve Pakola Chief Medical Officer 258,317 08 Jan, 2026
Vittal Vasista Chief Financial Officer 246,534 21 Mar, 2024
Olivier Danos Chief Scientific Officer 226,348 04 Apr, 2025
Patrick J. Christmas Chief Strategy & Legal Officer 215,367 08 Jan, 2026
Mitchell Chan Chief Financial Officer 127,717 08 Jan, 2026
Craig Malzahn Chief Technology Officer 82,194 08 Jan, 2026
Jennifer Zachary 22,064 03 Jun, 2025
Daniel Tasse 19,054 03 Jun, 2025
David C Stump 19,054 03 Jun, 2025
Alexandra Glucksmann 19,054 03 Jun, 2025
Argeris N Karabelas 19,054 03 Jun, 2025
Jean Bennett 19,054 03 Jun, 2025
George V Migausky 19,054 03 Jun, 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
06 Jan, 2026 Curran Simpson Common Stock A 144,864 $0.00 342,467 D A
06 Jan, 2026 Patrick J. Christmas Common Stock A 73,749 $0.00 215,367 D A
06 Jan, 2026 Steve Pakola Common Stock A 65,847 $0.00 258,317 D A
06 Jan, 2026 Mitchell Chan Common Stock A 73,749 $0.00 127,717 D A
06 Jan, 2026 Craig Malzahn Common Stock A 65,847 $0.00 82,194 D A
02 Jan, 2026 Curran Simpson Common Stock D 18,559 $14.40 197,603 D F
02 Jan, 2026 Patrick J. Christmas Common Stock D 9,793 $14.40 141,618 D F
02 Jan, 2026 Steve Pakola Common Stock D 18,247 $14.40 192,470 D F
02 Jan, 2026 Craig Malzahn Common Stock D 1,238 $14.40 16,347 D F
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 Mitchell Chan Common Stock D 4,901 $8.93 53,968 D F
01 Sep, 2025 Mitchell Chan - - 53,968 D
01 Sep, 2025 Craig Malzahn Common Stock D 234 $8.93 17,585 D F
01 Aug, 2025 Patrick J. Christmas - - 151,411 D
01 Aug, 2025 Patrick J. Christmas Common Stock D 4,699 $8.19 151,411 D F
01 Jul, 2025 Curran Simpson Common Stock D 4,701 $8.23 252,331 D F
30 May, 2025 George V Migausky - - 19,054 D
30 May, 2025 George V Migausky Common Stock A 7,768 $0.00 19,054 D A