REGENXBIO Inc. SEC filings RGNX
REGENXBIO Inc. has 805 filings in SEC EDGAR's recent list, going back to Nov 7, 2013. Its latest annual report, Form ARS, was filed on Apr 14, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 10-Q | Quarterly report | Nov 5, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2026 | Nov 5, 2026 |
| 4 | Insider transaction | Nov 3, 2026 | Nov 1, 2026 |
| 4 | Insider transaction | Nov 3, 2026 | Nov 1, 2026 |
| 4 | Insider transaction | Nov 3, 2026 | Nov 1, 2026 |
| 4 | Insider transaction | Nov 3, 2026 | Nov 1, 2026 |
| 8-K |
Current report
Officer or director change
|
Oct 16, 2026 | Oct 14, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 13, 2026 | — |
| 8-K |
Current report
Material agreement
|
Sep 23, 2026 | Sep 23, 2026 |
| 4 | Insider transaction | Sep 3, 2026 | Sep 1, 2026 |
| 4 | Insider transaction | Sep 3, 2026 | Sep 1, 2026 |
| 4 | Insider transaction | Aug 27, 2026 | Aug 25, 2026 |
| 3 | Initial insider ownership | Aug 27, 2026 | Aug 25, 2026 |
| 8-K |
Current report
Officer or director change
|
Aug 25, 2026 | Aug 25, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Aug 24, 2026 | Aug 24, 2026 |
| 10-Q | Quarterly report | Aug 6, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2026 | Aug 6, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Aug 1, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Aug 1, 2026 |
| 8-K |
Current report
Other events
|
Jul 20, 2026 | Jul 16, 2026 |
| 424B5 | Prospectus supplement | Jul 17, 2026 | — |
| FWP | Free writing prospectus | Jul 17, 2026 | — |
| 424B5 | Prospectus supplement | Jul 16, 2026 | — |
| 4 | Insider transaction | Jul 6, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jul 6, 2026 | Jul 2, 2026 |
| SC TO-I/A | Filing | Jul 6, 2026 | — |
| 4 | Insider transaction | Jul 1, 2026 | Jun 29, 2026 |
| 144 | Notice of proposed sale | Jul 1, 2026 | — |
| SC TO-I/A | Filing | Jul 1, 2026 | — |
| 8-K |
Current report
Other events
|
Jun 29, 2026 | Jun 23, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jun 4, 2026 | — |
| SC TO-I | Filing | Jun 3, 2026 | — |
| 8-K |
Current report
Shareholder vote results, Other events
|
Jun 3, 2026 | May 29, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | May 29, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | May 29, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | May 29, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | May 29, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | May 29, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | May 29, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | May 29, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | May 29, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | May 29, 2026 |
| 10-Q | Quarterly report | May 14, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
May 14, 2026 | May 14, 2026 |
| 4 | Insider transaction | May 13, 2026 | May 11, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 12, 2026 | — |
| 144 | Notice of proposed sale | May 11, 2026 | — |
| ARS | Annual report to shareholders | Apr 14, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 14, 2026 | — |
| DEF 14A | Proxy statement | Apr 14, 2026 | May 29, 2026 |
| PRE 14A | Preliminary proxy statement | Apr 3, 2026 | May 29, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 8-K |
Current report
Material agreement
|
Mar 20, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 12, 2026 | Mar 10, 2026 |
| 144 | Notice of proposed sale | Mar 10, 2026 | — |
| 10-K | Annual report | Mar 5, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 5, 2026 | Mar 5, 2026 |
| 424B5 | Prospectus supplement | Feb 12, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Feb 10, 2026 | Feb 7, 2026 |
| 4 | Insider transaction | Feb 3, 2026 | Feb 1, 2026 |
| 4 | Insider transaction | Feb 3, 2026 | Feb 1, 2026 |
| 4 | Insider transaction | Jan 29, 2026 | Jan 27, 2026 |
| 8-K |
Current report
Other events
|
Jan 28, 2026 | Jan 23, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 21, 2026 | — |
| 4 | Insider transaction | Jan 8, 2026 | Jan 6, 2026 |
| 4 | Insider transaction | Jan 8, 2026 | Jan 6, 2026 |
| 4 | Insider transaction | Jan 8, 2026 | Jan 6, 2026 |
| 4 | Insider transaction | Jan 8, 2026 | Jan 6, 2026 |
| 4 | Insider transaction | Jan 8, 2026 | Jan 6, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| EFFECT | Filing | Dec 12, 2025 | — |
| CORRESP | Letter to the SEC | Dec 9, 2025 | — |
| S-3 | Shelf registration | Nov 26, 2025 | — |
| 8-K |
Current report
Results of operations
|
Nov 6, 2025 | Nov 6, 2025 |
| 10-Q | Quarterly report | Nov 6, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Oct 10, 2025 | Oct 9, 2025 |
| 144 | Notice of proposed sale | Oct 9, 2025 | — |
| 4 | Insider transaction | Oct 1, 2025 | Sep 29, 2025 |
| 4 | Insider transaction | Sep 12, 2025 | Sep 10, 2025 |
| 144 | Notice of proposed sale | Sep 10, 2025 | — |
| 4 | Insider transaction | Sep 3, 2025 | Sep 1, 2025 |
| 4 | Insider transaction | Sep 3, 2025 | Sep 1, 2025 |
| 8-K |
Current report
Other events
|
Aug 18, 2025 | Aug 18, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| 10-Q | Quarterly report | Aug 7, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Material agreement, Results of operations, Regulation FD disclosure
|
Aug 7, 2025 | Aug 5, 2025 |
| 4 | Insider transaction | Aug 4, 2025 | Aug 1, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 15, 2025 | — |
| 4 | Insider transaction | Jul 3, 2025 | Jul 1, 2025 |
| EFFECT | Filing | Jun 25, 2025 | — |
| 424B3 | Prospectus | Jun 25, 2025 | — |
| CORRESP | Letter to the SEC | Jun 23, 2025 | — |
| UPLOAD | Letter from the SEC | Jun 20, 2025 | — |
| S-3 | Shelf registration | Jun 13, 2025 | — |
| S-8 | Employee stock plan registration | Jun 13, 2025 | — |
| 4 | Insider transaction | Jun 3, 2025 | May 30, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | May 30, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | May 30, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | May 30, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | May 30, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | May 30, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | May 30, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | May 30, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | May 30, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Jun 3, 2025 | May 30, 2025 |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure
|
May 19, 2025 | May 16, 2025 |
| 4 | Insider transaction | May 14, 2025 | May 12, 2025 |
| 144 | Notice of proposed sale | May 12, 2025 | — |
| 10-Q | Quarterly report | May 12, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 12, 2025 | May 12, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 24, 2025 | — |
| EFFECT | Filing | Apr 14, 2025 | — |
| ARS | Annual report to shareholders | Apr 8, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 8, 2025 | — |
| DEF 14A | Proxy statement | Apr 8, 2025 | May 30, 2025 |
| 4 | Insider transaction | Apr 4, 2025 | Feb 1, 2025 |
| 4 | Insider transaction | Apr 4, 2025 | Feb 1, 2025 |
| 4 | Insider transaction | Apr 4, 2025 | Feb 1, 2025 |
| 4 | Insider transaction | Mar 31, 2025 | Mar 27, 2025 |
| 3 | Initial insider ownership | Mar 24, 2025 | Mar 13, 2025 |
| S-8 | Employee stock plan registration | Mar 13, 2025 | — |
| POS AM | Filing | Mar 13, 2025 | — |
| 10-K | Annual report | Mar 13, 2025 | Dec 31, 2024 |
| POSASR | Filing | Mar 13, 2025 | — |
| 8-K |
Current report
Results of operations
|
Mar 13, 2025 | Mar 13, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Mar 4, 2025 | Mar 3, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 12, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 5, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 31, 2025 | — |
| 4/A | Primary document | Jan 14, 2025 | Jan 2, 2025 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Jan 14, 2025 | Jan 14, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 8, 2025 | — |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 144 | Notice of proposed sale | Dec 30, 2024 | — |
| 424B5 | Prospectus supplement | Dec 9, 2024 | — |
| 8-K |
Current report
Other events
|
Dec 9, 2024 | Dec 9, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 12, 2024 | — |
| 10-Q | Quarterly report | Nov 6, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 6, 2024 | Nov 6, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 4, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 17, 2024 | — |
| 4 | Insider transaction | Oct 2, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Sep 18, 2024 | Sep 16, 2024 |
| 3 | Initial insider ownership | Sep 18, 2024 | Sep 16, 2024 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Sep 17, 2024 | Sep 16, 2024 |
| 4 | Insider transaction | Sep 4, 2024 | Sep 3, 2024 |
| 4 | Insider transaction | Aug 12, 2024 | Aug 8, 2024 |
| 8-K |
Current report
Officer or director change
|
Aug 6, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | Aug 5, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | Aug 5, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | Aug 5, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | Aug 5, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | Aug 5, 2024 | Aug 1, 2024 |
| 144 | Notice of proposed sale | Aug 1, 2024 | — |
| 10-Q | Quarterly report | Aug 1, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 1, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | Jul 30, 2024 | Jul 29, 2024 |
| 4 | Insider transaction | Jul 30, 2024 | Jul 29, 2024 |
| 144 | Notice of proposed sale | Jul 29, 2024 | — |
| 4 | Insider transaction | Jul 26, 2024 | Jul 24, 2024 |
| 4 | Insider transaction | Jul 18, 2024 | Jul 16, 2024 |
| 4 | Insider transaction | Jul 3, 2024 | Jul 1, 2024 |
| 4 | Insider transaction | Jul 3, 2024 | Jul 1, 2024 |
| 144 | Notice of proposed sale | Jul 1, 2024 | — |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jun 13, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | May 31, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | May 31, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | May 31, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | May 31, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | May 31, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | May 31, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | May 31, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | May 31, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 3, 2024 | May 31, 2024 |
| 4 | Insider transaction | May 16, 2024 | May 14, 2024 |
| 144 | Notice of proposed sale | May 14, 2024 | — |
| 10-Q | Quarterly report | May 8, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 8, 2024 | May 8, 2024 |
| 4 | Insider transaction | Apr 17, 2024 | Apr 15, 2024 |
| ARS | Annual report to shareholders | Apr 4, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 4, 2024 | — |
| DEF 14A | Proxy statement | Apr 4, 2024 | May 31, 2024 |
| 4 | Insider transaction | Mar 21, 2024 | Mar 19, 2024 |
| 4 | Insider transaction | Mar 18, 2024 | Mar 14, 2024 |
| 8-K |
Current report
Other events
|
Mar 11, 2024 | Mar 6, 2024 |
| 424B5 | Prospectus supplement | Mar 8, 2024 | — |
| 4 | Insider transaction | Mar 7, 2024 | Mar 5, 2024 |
| FWP | Free writing prospectus | Mar 7, 2024 | — |
| 424B5 | Prospectus supplement | Mar 6, 2024 | — |
| 144 | Notice of proposed sale | Mar 5, 2024 | — |
| S-8 | Employee stock plan registration | Feb 27, 2024 | — |
| 10-K | Annual report | Feb 27, 2024 | Dec 31, 2023 |
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Company profile
- Industry
- Biological Products, (No Diagnostic Substances) (SIC 2836)
- Listed as
- RGNX (Nasdaq)
- Fiscal year ends
- December 31
- Headquarters
- Rockville, MD
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1590877
- Former names
- ReGenX Biosciences, LLC (until Nov 7, 2013)
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All 182 Biological Products, (No Diagnostic Substances) companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.