Eton Pharmaceuticals, Inc. SEC filings ETON
Eton Pharmaceuticals, Inc. has 421 filings in SEC EDGAR's recent list, going back to Jun 28, 2017. Its latest annual report, Form 10-K, was filed on Mar 19, 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 |
|---|---|---|---|
| 4 | Insider transaction | Oct 6, 2026 | Oct 6, 2026 |
| 144 | Notice of proposed sale | Oct 6, 2026 | — |
| 4/A | Form 4/a | Aug 31, 2026 | Aug 28, 2026 |
| 4 | Insider transaction | Aug 28, 2026 | Aug 28, 2026 |
| 144 | Notice of proposed sale | Aug 28, 2026 | — |
| 4 | Insider transaction | Aug 24, 2026 | Aug 24, 2026 |
| 144 | Notice of proposed sale | Aug 24, 2026 | — |
| 4 | Insider transaction | Aug 20, 2026 | Aug 19, 2026 |
| 144/A | Filing | Aug 20, 2026 | — |
| 144 | Notice of proposed sale | Aug 19, 2026 | — |
| 3 | Initial insider ownership | Aug 12, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 28, 2026 | — |
| 4/A | Filing | Jul 17, 2026 | Jul 14, 2026 |
| 4 | Insider transaction | Jul 16, 2026 | Jul 14, 2026 |
| 4 | Insider transaction | Jul 14, 2026 | Jul 12, 2026 |
| 4 | Insider transaction | Jul 13, 2026 | Jul 12, 2026 |
| 4 | Insider transaction | Jul 7, 2026 | Jul 2, 2026 |
| 4 | Insider transaction | Jun 30, 2026 | Jun 26, 2026 |
| 144 | Notice of proposed sale | Jun 26, 2026 | — |
| 144 | Notice of proposed sale | Jun 25, 2026 | — |
| 144 | Notice of proposed sale | Jun 23, 2026 | — |
| 4 | Insider transaction | Jun 17, 2026 | Jun 17, 2026 |
| 144 | Notice of proposed sale | Jun 17, 2026 | — |
| 144 | Notice of proposed sale | Jun 2, 2026 | — |
| 3 | Initial insider ownership | Jun 1, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 28, 2026 |
| 144 | Notice of proposed sale | May 28, 2026 | — |
| 4 | Insider transaction | May 27, 2026 | May 22, 2026 |
| 144 | Notice of proposed sale | May 22, 2026 | — |
| 4 | Insider transaction | Apr 22, 2026 | Apr 21, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 26, 2026 | — |
| 4 | Insider transaction | Feb 5, 2026 | Feb 3, 2026 |
| 4 | Insider transaction | Jan 14, 2026 | Jan 12, 2026 |
| 4 | Insider transaction | Jan 14, 2026 | Jan 12, 2026 |
| 4 | Insider transaction | Jan 14, 2026 | Jan 12, 2026 |
| 4 | Insider transaction | Jan 14, 2026 | Jan 12, 2026 |
| 4 | Insider transaction | Jan 14, 2026 | Jan 12, 2026 |
| 4 | Insider transaction | Jan 14, 2026 | Jan 12, 2026 |
| 4 | Insider transaction | Jan 14, 2026 | Jan 12, 2026 |
| 4 | Insider transaction | Jan 14, 2026 | Jan 12, 2026 |
| 144 | Notice of proposed sale | Jan 14, 2026 | — |
| 144 | Notice of proposed sale | Jan 14, 2026 | — |
| 144 | Notice of proposed sale | Jan 14, 2026 | — |
| 144 | Notice of proposed sale | Dec 12, 2025 | — |
| 144 | Notice of proposed sale | Dec 12, 2025 | — |
| 4 | Insider transaction | Dec 12, 2025 | Dec 11, 2025 |
| 4 | Insider transaction | Dec 12, 2025 | Dec 11, 2025 |
| 4 | Insider transaction | Dec 12, 2025 | Dec 11, 2025 |
| 4 | Insider transaction | Dec 12, 2025 | Dec 12, 2025 |
| 144 | Notice of proposed sale | Dec 12, 2025 | — |
| 144 | Notice of proposed sale | Dec 12, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 30, 2025 | — |
| 4 | Insider transaction | Aug 20, 2025 | Aug 19, 2025 |
| 144 | Notice of proposed sale | Aug 19, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 17, 2025 | — |
| 4 | Insider transaction | Jun 16, 2025 | Jun 12, 2025 |
| 4 | Insider transaction | Jun 12, 2025 | Jun 10, 2025 |
| 144 | Notice of proposed sale | Jun 12, 2025 | — |
| 4 | Insider transaction | Jun 5, 2025 | Jun 3, 2025 |
| 144 | Notice of proposed sale | Jun 3, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| 4 | Insider transaction | Jan 6, 2025 | Jan 3, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 3, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 3, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 3, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 3, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 3, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 3, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 3, 2025 |
| 3 | Initial insider ownership | Dec 9, 2024 | Dec 2, 2024 |
| SC 13G | Ownership over 5% (passive) | Dec 9, 2024 | — |
| 4 | Insider transaction | Oct 25, 2024 | Oct 23, 2024 |
| 4 | Insider transaction | Oct 8, 2024 | Oct 4, 2024 |
| 4 | Insider transaction | Oct 4, 2024 | Oct 2, 2024 |
| 4 | Insider transaction | Sep 12, 2024 | Sep 10, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Sep 12, 2024 | — |
| 3 | Initial insider ownership | Sep 12, 2024 | Sep 9, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Apr 30, 2024 | — |
| 4 | Insider transaction | Feb 15, 2024 | Feb 13, 2024 |
| 4 | Insider transaction | Feb 15, 2024 | Feb 13, 2024 |
| 4 | Insider transaction | Feb 15, 2024 | Feb 13, 2024 |
| 4 | Insider transaction | Feb 15, 2024 | Feb 13, 2024 |
| 4 | Insider transaction | Feb 15, 2024 | Feb 13, 2024 |
| 4 | Insider transaction | Feb 15, 2024 | Feb 13, 2024 |
| 4 | Insider transaction | Feb 15, 2024 | Feb 13, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2024 | — |
| 3 | Initial insider ownership | Mar 8, 2023 | Mar 1, 2023 |
| 4 | Insider transaction | Mar 3, 2023 | Mar 3, 2023 |
| 4 | Insider transaction | Mar 3, 2023 | Mar 3, 2023 |
| 4 | Insider transaction | Mar 3, 2023 | Mar 3, 2023 |
| 4 | Insider transaction | Mar 3, 2023 | Mar 3, 2023 |
| 4 | Insider transaction | Mar 3, 2023 | Mar 3, 2023 |
| 4 | Insider transaction | Mar 3, 2023 | Mar 3, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 20, 2023 | — |
| 4 | Insider transaction | Sep 23, 2022 | Sep 22, 2022 |
| 4 | Insider transaction | Jul 18, 2022 | Jul 12, 2022 |
| 4 | Insider transaction | Jul 18, 2022 | Jul 12, 2022 |
| 3 | Initial insider ownership | Apr 14, 2022 | Apr 11, 2022 |
| 4 | Insider transaction | Feb 28, 2022 | Feb 7, 2022 |
| 4 | Insider transaction | Feb 28, 2022 | Feb 7, 2022 |
| 4 | Insider transaction | Feb 28, 2022 | Feb 7, 2022 |
| 4 | Insider transaction | Feb 28, 2022 | Feb 7, 2022 |
| 4 | Insider transaction | Feb 28, 2022 | Feb 7, 2022 |
| 4 | Insider transaction | Feb 28, 2022 | Feb 7, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Jan 28, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 24, 2022 | — |
| 4 | Insider transaction | Nov 19, 2021 | Nov 17, 2021 |
| 4 | Insider transaction | Nov 17, 2021 | Nov 15, 2021 |
| 4 | Insider transaction | Nov 9, 2021 | Nov 5, 2021 |
| 4 | Insider transaction | Nov 5, 2021 | Nov 3, 2021 |
| 4 | Insider transaction | Oct 13, 2021 | Oct 8, 2021 |
| 4 | Insider transaction | Aug 20, 2021 | Aug 20, 2021 |
| 4 | Insider transaction | Aug 20, 2021 | Aug 20, 2021 |
| 4 | Insider transaction | Aug 6, 2021 | Aug 4, 2021 |
| 4/A | Filing | Jun 21, 2021 | Jun 15, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Jun 17, 2021 | — |
| 4 | Insider transaction | Jun 17, 2021 | May 26, 2021 |
| 4 | Insider transaction | Jun 3, 2021 | Jun 3, 2021 |
| 4 | Insider transaction | May 27, 2021 | May 25, 2021 |
| 4 | Insider transaction | May 5, 2021 | May 3, 2021 |
| 4 | Insider transaction | May 5, 2021 | May 3, 2021 |
| 4 | Insider transaction | May 5, 2021 | May 3, 2021 |
| 4 | Insider transaction | May 5, 2021 | May 3, 2021 |
| 4 | Insider transaction | May 5, 2021 | May 3, 2021 |
| 4 | Insider transaction | May 5, 2021 | May 3, 2021 |
| 4 | Insider transaction | Apr 12, 2021 | Apr 12, 2021 |
| 3 | Initial insider ownership | Mar 17, 2021 | Mar 17, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 16, 2021 | — |
| 5 | Annual insider ownership | Feb 16, 2021 | Dec 31, 2020 |
| 4 | Insider transaction | Oct 16, 2020 | Oct 16, 2020 |
| SC 13G/A | Amended ownership over 5% (passive) | Apr 7, 2020 | — |
| 3 | Initial insider ownership | Apr 6, 2020 | Mar 26, 2020 |
| 4 | Insider transaction | Mar 16, 2020 | Mar 12, 2020 |
| 4 | Insider transaction | Mar 16, 2020 | Mar 12, 2020 |
| 4 | Insider transaction | Mar 16, 2020 | Mar 12, 2020 |
| 4 | Insider transaction | Mar 16, 2020 | Mar 12, 2020 |
| 4 | Insider transaction | Mar 16, 2020 | Mar 12, 2020 |
| 4 | Insider transaction | Mar 16, 2020 | Mar 12, 2020 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 4, 2020 | — |
| 4 | Insider transaction | Aug 13, 2019 | Aug 13, 2019 |
| 4 | Insider transaction | Aug 12, 2019 | Aug 9, 2019 |
| SC 13G | Ownership over 5% (passive) | May 24, 2019 | — |
| 4 | Insider transaction | May 22, 2019 | May 20, 2019 |
| 4 | Insider transaction | Mar 8, 2019 | Feb 20, 2019 |
| 4 | Insider transaction | Mar 8, 2019 | Feb 20, 2019 |
| 4 | Insider transaction | Mar 8, 2019 | Feb 20, 2019 |
| 4 | Insider transaction | Mar 8, 2019 | Feb 20, 2019 |
| 4 | Insider transaction | Mar 8, 2019 | Feb 20, 2019 |
| 4 | Insider transaction | Mar 8, 2019 | Feb 20, 2019 |
| SC 13G | Ownership over 5% (passive) | Feb 11, 2019 | — |
| SC 13D | Ownership over 5% (active) | Nov 23, 2018 | — |
| SC 13G | Ownership over 5% (passive) | Nov 21, 2018 | — |
| 4 | Insider transaction | Nov 15, 2018 | Nov 15, 2018 |
| 4 | Insider transaction | Nov 15, 2018 | Nov 15, 2018 |
| 4 | Insider transaction | Nov 15, 2018 | Nov 15, 2018 |
| 4 | Insider transaction | Nov 15, 2018 | Nov 15, 2018 |
| 4 | Insider transaction | Nov 15, 2018 | Nov 15, 2018 |
| 4 | Insider transaction | Nov 15, 2018 | Nov 15, 2018 |
| 3 | Initial insider ownership | Nov 13, 2018 | Nov 9, 2018 |
| 3 | Initial insider ownership | Nov 13, 2018 | Nov 9, 2018 |
| 3 | Initial insider ownership | Nov 13, 2018 | Nov 9, 2018 |
| 3 | Initial insider ownership | Nov 13, 2018 | Nov 9, 2018 |
| 3 | Initial insider ownership | Nov 13, 2018 | Nov 9, 2018 |
| 3 | Initial insider ownership | Nov 13, 2018 | Nov 9, 2018 |
| 3 | Initial insider ownership | Nov 13, 2018 | Nov 9, 2018 |
Showing 174 filings. 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
- ETON (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Deer Park, IL
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1710340
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.