Eledon Pharmaceuticals, Inc. SEC filings ELDN
Eledon Pharmaceuticals, Inc. has 614 filings in SEC EDGAR's recent list, going back to Jun 18, 2007. Its latest annual report, Form ARS, was filed on Apr 30, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 13, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 13, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 30, 2026 | — |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 31, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 27, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 26, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 21, 2026 | — |
| 4 | Insider transaction | Jan 16, 2026 | Jan 10, 2026 |
| 4 | Insider transaction | Jan 16, 2026 | Jan 10, 2026 |
| 4 | Insider transaction | Jan 16, 2026 | Jan 10, 2026 |
| 4 | Insider transaction | Jan 16, 2026 | Jan 10, 2026 |
| 4 | Insider transaction | Jan 16, 2026 | Jan 10, 2026 |
| 4 | Insider transaction | Jan 16, 2026 | Jan 10, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 24, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 29, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 17, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| 4 | Insider transaction | Jan 13, 2025 | Jan 10, 2025 |
| 4 | Insider transaction | Jan 13, 2025 | Jan 10, 2025 |
| 4 | Insider transaction | Jan 13, 2025 | Jan 10, 2025 |
| 4 | Insider transaction | Jan 13, 2025 | Jan 10, 2025 |
| 4 | Insider transaction | Jan 13, 2025 | Jan 10, 2025 |
| 4 | Insider transaction | Jan 13, 2025 | Jan 10, 2025 |
| 4 | Insider transaction | Jan 13, 2025 | Jan 10, 2025 |
| 4 | Insider transaction | Jan 13, 2025 | Jan 10, 2025 |
| 4 | Insider transaction | Jan 13, 2025 | Jan 10, 2025 |
| 4 | Insider transaction | Jan 13, 2025 | Jan 10, 2025 |
| 4 | Insider transaction | Nov 22, 2024 | Nov 21, 2024 |
| 4 | Insider transaction | Nov 22, 2024 | Nov 21, 2024 |
| 4 | Insider transaction | Nov 22, 2024 | Nov 21, 2024 |
| 4 | Insider transaction | Nov 22, 2024 | Nov 21, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Nov 5, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Nov 5, 2024 | — |
| 4 | Insider transaction | Oct 31, 2024 | Oct 29, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 31, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 31, 2024 | — |
| 4 | Insider transaction | Jun 14, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 9, 2024 |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| 4 | Insider transaction | Oct 3, 2023 | Oct 2, 2023 |
| 4 | Insider transaction | Oct 3, 2023 | Oct 2, 2023 |
| 3 | Initial insider ownership | Oct 2, 2023 | Oct 1, 2023 |
| 3 | Initial insider ownership | Oct 2, 2023 | Oct 2, 2023 |
| 4 | Insider transaction | May 9, 2023 | May 5, 2023 |
| 4 | Insider transaction | May 2, 2023 | May 1, 2023 |
| 4 | Insider transaction | May 2, 2023 | May 1, 2023 |
| 4 | Insider transaction | May 2, 2023 | May 1, 2023 |
| 4 | Insider transaction | May 2, 2023 | May 1, 2023 |
| 4 | Insider transaction | May 2, 2023 | May 1, 2023 |
| 4 | Insider transaction | May 2, 2023 | May 1, 2023 |
| 4 | Insider transaction | May 2, 2023 | May 1, 2023 |
| 4 | Insider transaction | May 2, 2023 | May 1, 2023 |
| 4 | Insider transaction | May 2, 2023 | May 1, 2023 |
| 4 | Insider transaction | May 2, 2023 | May 1, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| 4 | Insider transaction | Feb 2, 2023 | Feb 1, 2023 |
| 4 | Insider transaction | Feb 2, 2023 | Feb 1, 2023 |
| 4 | Insider transaction | Feb 2, 2023 | Feb 1, 2023 |
| 4 | Insider transaction | Feb 2, 2023 | Feb 1, 2023 |
| 4 | Insider transaction | Feb 2, 2023 | Feb 1, 2023 |
| 4 | Insider transaction | Feb 2, 2023 | Feb 1, 2023 |
| 4 | Insider transaction | Feb 2, 2023 | Feb 1, 2023 |
| 4 | Insider transaction | Feb 2, 2023 | Feb 1, 2023 |
| 4 | Insider transaction | Feb 2, 2023 | Feb 1, 2023 |
| 4 | Insider transaction | Feb 2, 2023 | Feb 1, 2023 |
| 4 | Insider transaction | Nov 23, 2022 | Nov 23, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2022 | — |
| 4 | Insider transaction | Feb 2, 2022 | Feb 1, 2022 |
| 4 | Insider transaction | Feb 2, 2022 | Feb 1, 2022 |
| 4 | Insider transaction | Feb 2, 2022 | Feb 1, 2022 |
| 4 | Insider transaction | Feb 2, 2022 | Feb 1, 2022 |
| 4 | Insider transaction | Feb 2, 2022 | Feb 1, 2022 |
| 4 | Insider transaction | Feb 2, 2022 | Feb 1, 2022 |
| 4 | Insider transaction | Feb 2, 2022 | Feb 1, 2022 |
| 4 | Insider transaction | Feb 2, 2022 | Feb 1, 2022 |
| 4 | Insider transaction | Feb 2, 2022 | Feb 1, 2022 |
| 4 | Insider transaction | Feb 2, 2022 | Feb 1, 2022 |
| 3 | Initial insider ownership | Jan 31, 2022 | Jan 20, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 28, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 26, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 11, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 11, 2022 | — |
| 4 | Insider transaction | Dec 21, 2021 | Dec 20, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Sep 9, 2021 | — |
| 4 | Insider transaction | Aug 19, 2021 | Aug 17, 2021 |
| 3 | Initial insider ownership | Jul 9, 2021 | Jul 1, 2021 |
| 4 | Insider transaction | Jun 14, 2021 | Jun 11, 2021 |
| 4 | Insider transaction | Jun 10, 2021 | Jun 9, 2021 |
| 4 | Insider transaction | May 4, 2021 | May 3, 2021 |
| 3 | Initial insider ownership | Apr 20, 2021 | Apr 19, 2021 |
| 3 | Initial insider ownership | Mar 19, 2021 | Mar 15, 2021 |
| SC 13G | Ownership over 5% (passive) | Feb 16, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 16, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 16, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Feb 8, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 5, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Jan 4, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Jan 4, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Dec 30, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Dec 28, 2020 | — |
| 4 | Insider transaction | Dec 28, 2020 | Dec 22, 2020 |
| 3 | Initial insider ownership | Dec 14, 2020 | Dec 8, 2020 |
| 4 | Insider transaction | Dec 4, 2020 | Dec 2, 2020 |
| SC 13D/A | Amended ownership over 5% (active) | Dec 4, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 20, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Nov 9, 2020 | — |
| 4 | Insider transaction | Nov 6, 2020 | Oct 30, 2020 |
| 3 | Initial insider ownership | Nov 6, 2020 | Oct 30, 2020 |
| SC 13D/A | Amended ownership over 5% (active) | Oct 14, 2020 | — |
| 3 | Initial insider ownership | Oct 5, 2020 | Oct 1, 2020 |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 5, 2020 | — |
| 3 | Initial insider ownership | Sep 24, 2020 | Sep 14, 2020 |
| 3 | Initial insider ownership | Sep 24, 2020 | Sep 14, 2020 |
| 4 | Insider transaction | Sep 15, 2020 | Sep 11, 2020 |
| 4 | Insider transaction | Sep 15, 2020 | Sep 11, 2020 |
| 4 | Insider transaction | Sep 15, 2020 | Sep 11, 2020 |
| 4 | Insider transaction | Sep 15, 2020 | Sep 11, 2020 |
| 4 | Insider transaction | Sep 15, 2020 | Sep 11, 2020 |
| 3 | Initial insider ownership | Sep 15, 2020 | Sep 9, 2020 |
| SC 13D/A | Amended ownership over 5% (active) | Aug 18, 2020 | — |
| 4 | Insider transaction | Mar 20, 2020 | Mar 19, 2020 |
| 4 | Insider transaction | Mar 20, 2020 | Mar 19, 2020 |
| 4 | Insider transaction | Mar 20, 2020 | Mar 19, 2020 |
| 4 | Insider transaction | Feb 25, 2020 | Jan 14, 2020 |
| 4 | Insider transaction | Feb 25, 2020 | Jan 14, 2020 |
| SC 13D/A | Amended ownership over 5% (active) | Feb 25, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2020 | — |
| 4 | Insider transaction | Sep 30, 2019 | Sep 26, 2019 |
| 4 | Insider transaction | Sep 30, 2019 | Sep 26, 2019 |
| 4 | Insider transaction | Sep 30, 2019 | Sep 26, 2019 |
| SC 13G | Ownership over 5% (passive) | Jul 26, 2019 | — |
| 4 | Insider transaction | Jul 15, 2019 | Jul 11, 2019 |
| 4 | Insider transaction | Jul 15, 2019 | Jul 11, 2019 |
| 4 | Insider transaction | Jul 15, 2019 | Jul 11, 2019 |
| 4 | Insider transaction | Jul 15, 2019 | Jul 11, 2019 |
| 4 | Insider transaction | Jul 15, 2019 | Jul 11, 2019 |
| SC 13G | Ownership over 5% (passive) | Jun 5, 2019 | — |
| 4 | Insider transaction | May 22, 2019 | May 20, 2019 |
| 4 | Insider transaction | May 22, 2019 | May 20, 2019 |
| 4 | Insider transaction | May 22, 2019 | May 20, 2019 |
| SC 13G | Ownership over 5% (passive) | May 10, 2019 | — |
| 4 | Insider transaction | May 6, 2019 | May 2, 2019 |
| 4 | Insider transaction | May 6, 2019 | May 2, 2019 |
| SC 13D/A | Amended ownership over 5% (active) | May 6, 2019 | — |
| 4 | Insider transaction | May 2, 2019 | Apr 30, 2019 |
| SC 13D/A | Amended ownership over 5% (active) | Apr 5, 2019 | — |
| 4 | Insider transaction | Mar 18, 2019 | Mar 14, 2019 |
| 4 | Insider transaction | Mar 18, 2019 | Mar 14, 2019 |
| 4 | Insider transaction | Mar 18, 2019 | Mar 14, 2019 |
| 4 | Insider transaction | Sep 13, 2018 | Sep 11, 2018 |
| 4 | Insider transaction | Sep 7, 2018 | Sep 5, 2018 |
| 4 | Insider transaction | Jun 14, 2018 | Jun 13, 2018 |
| 4 | Insider transaction | Jun 14, 2018 | Jun 13, 2018 |
| 4 | Insider transaction | Jun 14, 2018 | Jun 13, 2018 |
| 4 | Insider transaction | Jun 14, 2018 | Jun 13, 2018 |
| SC 13D/A | Amended ownership over 5% (active) | May 15, 2018 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 2, 2018 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 17, 2018 | — |
| 3 | Initial insider ownership | Mar 20, 2018 | Mar 9, 2018 |
| SC 13D/A | Amended ownership over 5% (active) | Mar 19, 2018 | — |
| 4 | Insider transaction | Mar 15, 2018 | Mar 13, 2018 |
| 4 | Insider transaction | Mar 15, 2018 | Mar 13, 2018 |
| 4 | Insider transaction | Mar 15, 2018 | Mar 13, 2018 |
| SC 13G | Ownership over 5% (passive) | Mar 13, 2018 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 8, 2018 | — |
| 4 | Insider transaction | Nov 6, 2017 | Nov 6, 2017 |
| 4 | Insider transaction | Jul 10, 2017 | Jul 10, 2017 |
| 3 | Initial insider ownership | Jul 10, 2017 | Jul 10, 2017 |
| 4 | Insider transaction | Jul 5, 2017 | Jun 30, 2017 |
| 4 | Insider transaction | Jul 5, 2017 | Jun 30, 2017 |
| 4 | Insider transaction | Jul 5, 2017 | Jun 30, 2017 |
| 4 | Insider transaction | Jul 5, 2017 | Jun 30, 2017 |
| 4 | Insider transaction | Jul 5, 2017 | Jun 30, 2017 |
| 4 | Insider transaction | May 26, 2017 | May 24, 2017 |
| 4 | Insider transaction | May 26, 2017 | May 24, 2017 |
| 4 | Insider transaction | May 26, 2017 | May 24, 2017 |
| SC 13G | Ownership over 5% (passive) | May 25, 2017 | — |
| SC 13G | Ownership over 5% (passive) | May 22, 2017 | — |
| SC 13D | Ownership over 5% (active) | May 19, 2017 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 16, 2017 | — |
| 4 | Insider transaction | May 11, 2017 | May 10, 2017 |
| 4 | Insider transaction | May 11, 2017 | May 10, 2017 |
| 4 | Insider transaction | May 11, 2017 | May 10, 2017 |
| 3 | Initial insider ownership | May 11, 2017 | May 10, 2017 |
| 3 | Initial insider ownership | May 11, 2017 | May 10, 2017 |
| 3 | Initial insider ownership | May 11, 2017 | May 10, 2017 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- ELDN (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Irvine, CA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1404281
- Former names
- Eledon Pharmaceuticals, Inc. (until Oct 30, 2026); Novus Therapeutics, Inc. (until Dec 22, 2020); Tokai Pharmaceuticals Inc (until May 4, 2017)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.