Regenxbio's three largest insider shareholders as of June 06, 2026 are Allan M. Fox (Director, 1.53Mn shares), Allan M. Fox (Director, 1.36Mn shares), Kenneth T. Mills (President And Ceo, 486.12K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| George V Migausky | - | 19,054 | 0 | 03 Jun, 2025 |
| Argeris N Karabelas | - | 19,054 | 0 | 03 Jun, 2025 |
| Curran Simpson | Chief Executive Officer | 342,467 | 0 | 08 Jan, 2026 |
| Daniel Tasse | - | 19,054 | 0 | 03 Jun, 2025 |
| Patrick J. Christmas | Chief Strategy Legal Officer | 210,667 | 0 | 03 Feb, 2026 |
| Kenneth T. Mills | President And Ceo | 486,118 | 0 | 29 Jan, 2026 |
| Vittal Vasista | Chief Financial Officer | 246,534 | 0 | 21 Mar, 2024 |
| Allan M. Fox | - | 0 | 1,529,981 | 27 Dec, 2021 |
| Alexandra Glucksmann | - | 19,054 | 0 | 03 Jun, 2025 |
| Steve Pakola | Chief Medical Officer | 247,926 | 0 | 12 Mar, 2026 |
| Olivier Danos | Chief Scientific Officer | 226,348 | 0 | 04 Apr, 2025 |
| Jennifer Zachary | - | 22,064 | 0 | 03 Jun, 2025 |
| Mitchell Chan | Chief Financial Officer | 127,717 | 0 | 08 Jan, 2026 |
| Jean Bennett | - | 19,054 | 0 | 03 Jun, 2025 |
| Craig Malzahn | Chief Technology Officer | 82,194 | 0 | 08 Jan, 2026 |
* 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.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 10 Mar, 2026 | Steve Pakola | Common Stock | D | 5,124 | $10.35 | 247,926 | D | S |
| 01 Feb, 2026 | Patrick J. Christmas | Common Stock | D | 4,700 | $11.16 | 210,667 | D | F |
| 01 Feb, 2026 | Steve Pakola | Common Stock | D | 5,267 | $11.16 | 253,050 | D | F |
| 27 Jan, 2026 | Kenneth T. Mills | Common Stock | A | 225,000 | $13.09 | 707,871 | D | M |
| 27 Jan, 2026 | Kenneth T. Mills | Common Stock | D | 221,753 | $13.41 | 486,118 | D | F |
| 27 Jan, 2026 | Kenneth T. Mills | Stock Options (Right to Buy) | D | 225,000 | $0.00 | 225,000 | D | M |
| 06 Jan, 2026 | Patrick J. Christmas | Common Stock | A | 73,749 | $0.00 | 215,367 | D | A |
| 06 Jan, 2026 | Mitchell Chan | Common Stock | A | 73,749 | $0.00 | 127,717 | D | A |
| 06 Jan, 2026 | Steve Pakola | Common Stock | A | 65,847 | $0.00 | 258,317 | D | A |
| 06 Jan, 2026 | Curran Simpson | Common Stock | A | 144,864 | $0.00 | 342,467 | D | A |
| 06 Jan, 2026 | Craig Malzahn | Common Stock | A | 65,847 | $0.00 | 82,194 | D | A |
| 06 Jan, 2026 | Curran Simpson | Common Stock | A | 144,864 | $0.00 | 342,467 | D | A |
| 06 Jan, 2026 | Patrick J. Christmas | Stock Options (Right to buy) | A | 39,650 | $0.00 | 39,650 | D | A |
| 06 Jan, 2026 | Steve Pakola | Stock Options (Right to buy) | A | 35,402 | $0.00 | 35,402 | D | A |
| 06 Jan, 2026 | Curran Simpson | Stock Options (Right to buy) | A | 233,651 | $0.00 | 233,651 | D | A |
| 06 Jan, 2026 | Craig Malzahn | Stock Options (Right to buy) | A | 35,402 | $0.00 | 35,402 | D | A |
| 06 Jan, 2026 | Curran Simpson | Stock Options (Right to buy) | A | 233,651 | $0.00 | 233,651 | D | A |
| 06 Jan, 2026 | Mitchell Chan | Stock Options (Right to buy) | A | 39,650 | $0.00 | 39,650 | D | A |
| 02 Jan, 2026 | Curran Simpson | Common Stock | D | 18,559 | $14.40 | 197,603 | D | F |
| 02 Jan, 2026 | Curran Simpson | Common Stock | D | 18,559 | $14.40 | 197,603 | D | F |