🕵️ Regenxbio Inc. ($RGNX)
SEC insider & ownership activity, last 12 months · CIK 1590877 · every row links its SEC filing
Over the last 12 months insiders sold $1.3M against $949K of open-market buying. Ciongoli Gregory Austin bought $949K in discretionary trades (Aug). BlackRock, Inc. trimmed 11.0% → 7.3%; State Street Corporation added 4.4% → 5.3%. No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $949K (2 lots) · 2 sellers, $1.3M (7 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Ciongoli Gregory Austin | 2 | $949K | 0 | – | Aug 27, 2026 |
| Pakola Steve | 0 | – | 5 | $940K | Jul 2, 2026 |
| Curran M. Simpson | 0 | – | 2 | $339K | Oct 9, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Redmile Group, LLC | 9.9% | 13G | Aug 14, 2025 | filing ↗ | |
| Jeremy C. Green | 9.9% | 13G | Aug 14, 2025 | filing ↗ | |
| Redmile Biopharma Investments III, L.P. | 7.4% | 13G | Aug 14, 2025 | filing ↗ | |
| BlackRock, Inc. | 7.3% | 13G | Apr 24, 2025 | filing ↗ | |
| State Street Corporation | 5.3% | 13G | May 12, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Stephen J. Pakola | $518K | Jul 1, 2026 | filing ↗ |
| Stephen Pakola | $368K | May 11, 2026 | filing ↗ |
| Stephen J. Pakola | $53K | Mar 10, 2026 | filing ↗ |
| Curran M. Simpson | $254K | Oct 9, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Officer/director changes (5.02) | Aug 25, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 25, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Aug 24, 2026 | filing ↗ |
| Other events (8.01) | Aug 24, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 24, 2026 | filing ↗ |
| Earnings (2.02) | Aug 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 6, 2026 | filing ↗ |
| Other events (8.01) | Jul 16, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 16, 2026 | filing ↗ |
| Other events (8.01) | Jun 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 23, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 29, 2026 | filing ↗ |
| Other events (8.01) | May 29, 2026 | filing ↗ |
| Earnings (2.02) | May 14, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 14, 2026 | filing ↗ |
| Other events (8.01) | May 14, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 14, 2026 | filing ↗ |
| Material agreement (1.01) | Mar 18, 2026 | filing ↗ |
| Earnings (2.02) | Mar 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 5, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 7, 2026 | filing ↗ |
| Other events (8.01) | Feb 7, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 7, 2026 | filing ↗ |
| Other events (8.01) | Jan 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 23, 2026 | filing ↗ |
| Earnings (2.02) | Nov 6, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 6, 2025 | filing ↗ |