16 insiders reported 60 Form 4 transactions for REGENXBIO Inc. (RGNX) over the past 18 months (most recent 2026-09-03). Recent activity: Chan Mitchell (Chief Financial Officer) Sell 4,902 shares, Malzahn Craig (Chief Technology Officer) Sell 234 shares, Ciongoli Gregory Austin (Director) Buy 15,432 shares, Ciongoli Gregory Austin (Director) Buy 49,196 shares, Ciongoli Gregory Austin (Director) Buy 53,407 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-03 | Chan Mitchell | Chief Financial Officer | Sell | 4,902 | $45,687 |
| 2026-09-03 | Malzahn Craig | Chief Technology Officer | Sell | 234 | $2,181 |
| 2026-08-27 | Ciongoli Gregory Austin | Director | Buy | 15,432 | $0 |
| 2026-08-27 | Ciongoli Gregory Austin | Director | Buy | 49,196 | $449,706 |
| 2026-08-27 | Ciongoli Gregory Austin | Director | Buy | 53,407 | $499,676 |
| 2026-08-04 | Christmas Patrick J. | Chief Strategy & Legal Officer | Sell | 4,699 | $45,533 |
| 2026-08-04 | PAKOLA STEVE | Chief Medical Officer | Sell | 7,468 | $72,365 |
| 2026-07-06 | PAKOLA STEVE | Chief Medical Officer | Buy | 2,161 | $16,985 |
| 2026-07-06 | Simpson Curran | Chief Executive Officer | Buy | 951 | $6,653 |
| 2026-07-06 | Simpson Curran | Chief Executive Officer | Buy | 1,453 | $14,792 |
| 2026-07-06 | PAKOLA STEVE | Chief Medical Officer | Sell | 2,161 | $29,476 |
| 2026-07-06 | Simpson Curran | Chief Executive Officer | Sell | 6,818 | $89,248 |
| 2026-07-01 | PAKOLA STEVE | Chief Medical Officer | Buy | 36,725 | $288,658 |
| 2026-07-01 | PAKOLA STEVE | Chief Medical Officer | Sell | 36,725 | $472,284 |
| 2026-07-01 | PAKOLA STEVE | Chief Medical Officer | Sell | 19,608 | $216,472 |
| 2026-06-02 | Bennett Jean | Director | Buy | 9,807 | $0 |
| 2026-06-02 | STUMP DAVID C | Director | Buy | 9,807 | $0 |
| 2026-06-02 | Fox Allan M. | Director | Buy | 9,807 | $0 |
| 2026-06-02 | KARABELAS ARGERIS N | Director | Buy | 9,807 | $0 |
| 2026-06-02 | Zachary Jennifer | Director | Buy | 9,807 | $0 |
| 2026-06-02 | Tasse Daniel | Director | Buy | 9,807 | $0 |
| 2026-06-02 | MIGAUSKY GEORGE V | Director | Buy | 9,807 | $0 |
| 2026-06-02 | Glucksmann Alexandra | Director | Buy | 9,807 | $0 |
| 2026-06-02 | Mills Kenneth T. | Director | Buy | 9,807 | $0 |
| 2026-05-13 | PAKOLA STEVE | Chief Medical Officer | Sell | 15,309 | $168,705 |
Source: SEC Form 4 filings · as of 2026-09-03