Nephros Inc SEC filings NEPH
Nephros Inc has 1,005 filings in SEC EDGAR's recent list, going back to Nov 15, 2004. Its latest annual report, Form 10-K, was filed on Mar 12, 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 |
|---|---|---|---|
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Sep 16, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Sep 16, 2026 | — |
| 4 | Insider transaction | Sep 16, 2026 | Sep 14, 2026 |
| 4 | Insider transaction | Sep 16, 2026 | Sep 14, 2026 |
| 4 | Insider transaction | Aug 20, 2026 | Aug 18, 2026 |
| 4 | Insider transaction | Aug 14, 2026 | Aug 12, 2026 |
| 4 | Insider transaction | Jun 12, 2026 | May 11, 2026 |
| 4 | Insider transaction | Mar 25, 2026 | Mar 23, 2026 |
| 4 | Insider transaction | Mar 25, 2026 | Mar 23, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 16, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 14, 2025 | — |
| 4 | Insider transaction | Nov 13, 2025 | Nov 10, 2025 |
| 4 | Insider transaction | Nov 13, 2025 | Nov 10, 2025 |
| 4 | Insider transaction | Nov 13, 2025 | Nov 10, 2025 |
| 4 | Insider transaction | Aug 13, 2025 | Aug 11, 2025 |
| 3 | Initial insider ownership | Jul 11, 2025 | Jun 16, 2025 |
| 4 | Insider transaction | Mar 31, 2025 | Mar 27, 2025 |
| 4 | Insider transaction | Jan 3, 2025 | Jan 1, 2025 |
| 4 | Insider transaction | Jan 3, 2025 | Jan 1, 2025 |
| 4 | Insider transaction | Jan 3, 2025 | Jan 1, 2025 |
| 4 | Insider transaction | Jan 3, 2025 | Jan 1, 2025 |
| 4 | Insider transaction | May 30, 2024 | May 28, 2024 |
| 4 | Insider transaction | May 16, 2024 | May 14, 2024 |
| 4 | Insider transaction | May 16, 2024 | May 14, 2024 |
| 4 | Insider transaction | May 16, 2024 | May 14, 2024 |
| 4 | Insider transaction | May 16, 2024 | May 14, 2024 |
| 4 | Insider transaction | May 16, 2024 | May 14, 2024 |
| 4 | Insider transaction | Mar 14, 2024 | Mar 13, 2024 |
| 4 | Insider transaction | Mar 14, 2024 | Mar 12, 2024 |
| 4 | Insider transaction | Dec 15, 2023 | Dec 13, 2023 |
| 4 | Insider transaction | Dec 15, 2023 | Dec 13, 2023 |
| 4 | Insider transaction | Dec 15, 2023 | Dec 13, 2023 |
| 4 | Insider transaction | Dec 15, 2023 | Dec 13, 2023 |
| 4 | Insider transaction | Dec 11, 2023 | Dec 7, 2023 |
| 4 | Insider transaction | Nov 3, 2023 | Nov 1, 2023 |
| 3 | Initial insider ownership | Nov 3, 2023 | Nov 1, 2023 |
| 4 | Insider transaction | Aug 15, 2023 | Aug 14, 2023 |
| 3 | Initial insider ownership | May 17, 2023 | May 11, 2023 |
| SC 13G | Ownership over 5% (passive) | Feb 3, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Feb 3, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Feb 3, 2023 | — |
| 4 | Insider transaction | Jan 9, 2023 | Jan 5, 2023 |
| 4 | Insider transaction | Jan 9, 2023 | Jan 5, 2023 |
| 4 | Insider transaction | Jan 9, 2023 | Jan 5, 2023 |
| 4 | Insider transaction | Jan 9, 2023 | Jan 5, 2023 |
| 4 | Insider transaction | Jan 9, 2023 | Jan 5, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 6, 2023 | — |
| 4 | Insider transaction | Sep 8, 2022 | Sep 6, 2022 |
| 3 | Initial insider ownership | Sep 8, 2022 | Sep 6, 2022 |
| 4 | Insider transaction | Mar 7, 2022 | Mar 5, 2022 |
| SC 13G | Ownership over 5% (passive) | Feb 28, 2022 | — |
| 4 | Insider transaction | Feb 18, 2022 | Feb 16, 2022 |
| SC 13G | Ownership over 5% (passive) | Feb 10, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Feb 10, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Feb 10, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Feb 10, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Feb 10, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Feb 9, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2022 | — |
| 4 | Insider transaction | Dec 16, 2021 | Dec 14, 2021 |
| 4 | Insider transaction | Dec 16, 2021 | Dec 14, 2021 |
| 4 | Insider transaction | Dec 16, 2021 | Dec 14, 2021 |
| 4 | Insider transaction | Dec 16, 2021 | Dec 14, 2021 |
| 4 | Insider transaction | Dec 16, 2021 | Dec 14, 2021 |
| 4 | Insider transaction | Sep 3, 2021 | Sep 1, 2021 |
| 4 | Insider transaction | Aug 23, 2021 | Aug 20, 2021 |
| 4 | Insider transaction | Aug 19, 2021 | Aug 18, 2021 |
| 4 | Insider transaction | Aug 18, 2021 | Aug 17, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Jun 11, 2021 | — |
| 4 | Insider transaction | Jun 3, 2021 | Jun 1, 2021 |
| 4/A | Primary document | Jun 1, 2021 | May 24, 2021 |
| 4 | Insider transaction | May 25, 2021 | May 24, 2021 |
| 4 | Insider transaction | Feb 18, 2021 | Feb 16, 2021 |
| 3 | Initial insider ownership | Feb 18, 2021 | Feb 16, 2021 |
| 4 | Insider transaction | Jan 29, 2021 | Jan 27, 2021 |
| SC 13G | Ownership over 5% (passive) | Jan 27, 2021 | — |
| 4 | Insider transaction | Jan 8, 2021 | Jan 6, 2021 |
| 4 | Insider transaction | Jan 8, 2021 | Jan 6, 2021 |
| 4 | Insider transaction | Jan 8, 2021 | Jan 6, 2021 |
| 4 | Insider transaction | Jan 8, 2021 | Jan 6, 2021 |
| 4 | Insider transaction | Jan 8, 2021 | Jan 6, 2021 |
| 4 | Insider transaction | Jan 8, 2021 | Jan 6, 2021 |
| 4 | Insider transaction | Nov 20, 2020 | Nov 18, 2020 |
| 4 | Insider transaction | Nov 19, 2020 | Nov 19, 2020 |
| 3 | Initial insider ownership | Nov 10, 2020 | Nov 6, 2020 |
| SC 13D/A | Amended ownership over 5% (active) | Oct 26, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Oct 21, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Oct 21, 2020 | — |
| 4 | Insider transaction | Oct 16, 2020 | Oct 15, 2020 |
| 4 | Insider transaction | Aug 26, 2020 | Aug 24, 2020 |
| 4 | Insider transaction | Aug 19, 2020 | Aug 19, 2020 |
| 4 | Insider transaction | May 29, 2020 | May 28, 2020 |
| 4 | Insider transaction | May 13, 2020 | May 11, 2020 |
| SC 13D | Ownership over 5% (active) | Apr 8, 2020 | — |
| 4 | Insider transaction | Mar 12, 2020 | Mar 12, 2020 |
| 4 | Insider transaction | Mar 12, 2020 | Mar 12, 2020 |
| 4 | Insider transaction | Mar 5, 2020 | Mar 5, 2020 |
| 4 | Insider transaction | Mar 5, 2020 | Mar 5, 2020 |
| 4 | Insider transaction | Feb 5, 2020 | Feb 1, 2020 |
| 4 | Insider transaction | Feb 5, 2020 | Feb 1, 2020 |
| 4 | Insider transaction | Dec 18, 2019 | Dec 16, 2019 |
| 4 | Insider transaction | Dec 18, 2019 | Dec 16, 2019 |
| 4 | Insider transaction | Dec 18, 2019 | Dec 16, 2019 |
| 4 | Insider transaction | Dec 18, 2019 | Dec 16, 2019 |
| 4 | Insider transaction | Dec 18, 2019 | Dec 16, 2019 |
| 4 | Insider transaction | Dec 18, 2019 | Dec 16, 2019 |
| 4 | Insider transaction | Dec 18, 2019 | Dec 16, 2019 |
| 4 | Insider transaction | Dec 18, 2019 | Dec 16, 2019 |
| 4 | Insider transaction | Nov 26, 2019 | Nov 25, 2019 |
| 4 | Insider transaction | Nov 18, 2019 | Nov 18, 2019 |
| 4 | Insider transaction | Nov 18, 2019 | Nov 18, 2019 |
| 4 | Insider transaction | Sep 13, 2019 | Sep 11, 2019 |
| 4 | Insider transaction | Aug 22, 2019 | Aug 22, 2019 |
| 4 | Insider transaction | Aug 22, 2019 | Aug 22, 2019 |
| 4 | Insider transaction | Aug 13, 2019 | Aug 9, 2019 |
| 4 | Insider transaction | Aug 13, 2019 | Aug 9, 2019 |
| 4 | Insider transaction | Jun 14, 2019 | Jun 14, 2019 |
| 4 | Insider transaction | Jun 14, 2019 | Jun 14, 2019 |
| SC 13D/A | Amended ownership over 5% (active) | May 20, 2019 | — |
| 4/A | Primary document | May 2, 2019 | Feb 8, 2019 |
| 4 | Insider transaction | May 1, 2019 | Apr 29, 2019 |
| 3 | Initial insider ownership | May 1, 2019 | Apr 29, 2019 |
| 4 | Insider transaction | Feb 12, 2019 | Feb 8, 2019 |
| 3 | Initial insider ownership | Feb 12, 2019 | Feb 8, 2019 |
| 4 | Insider transaction | Dec 21, 2018 | Dec 19, 2018 |
| 4 | Insider transaction | Dec 21, 2018 | Dec 19, 2018 |
| 4 | Insider transaction | Dec 21, 2018 | Dec 19, 2018 |
| 4 | Insider transaction | Dec 21, 2018 | Dec 19, 2018 |
| 4 | Insider transaction | Dec 21, 2018 | Dec 19, 2018 |
| 4 | Insider transaction | Dec 21, 2018 | Dec 19, 2018 |
| 4/A | Primary document | Dec 20, 2018 | Dec 14, 2018 |
| 4 | Insider transaction | Dec 18, 2018 | Dec 14, 2018 |
| 4 | Insider transaction | Dec 18, 2018 | Dec 14, 2018 |
| 4 | Insider transaction | Dec 18, 2018 | Dec 14, 2018 |
| 4 | Insider transaction | Dec 18, 2018 | Dec 14, 2018 |
| 4 | Insider transaction | Dec 18, 2018 | Dec 14, 2018 |
| 4 | Insider transaction | Dec 18, 2018 | Dec 14, 2018 |
| 4 | Insider transaction | Dec 18, 2018 | Dec 14, 2018 |
| 4 | Insider transaction | Aug 13, 2018 | Aug 10, 2018 |
| 3 | Initial insider ownership | Aug 13, 2018 | Aug 10, 2018 |
| 4 | Insider transaction | May 14, 2018 | May 14, 2018 |
| 4 | Insider transaction | May 14, 2018 | May 14, 2018 |
| SC 13D | Ownership over 5% (active) | Apr 18, 2018 | — |
| 4 | Insider transaction | Apr 12, 2018 | Apr 10, 2018 |
| 4 | Insider transaction | Apr 12, 2018 | Apr 10, 2018 |
| 4 | Insider transaction | Mar 13, 2018 | Mar 9, 2018 |
| 4/A | Primary document | Feb 27, 2018 | Dec 20, 2017 |
| 4 | Insider transaction | Feb 22, 2018 | Feb 1, 2018 |
| SC 13D/A | Amended ownership over 5% (active) | Jan 12, 2018 | — |
| 4 | Insider transaction | Dec 22, 2017 | Dec 20, 2017 |
| 4 | Insider transaction | Dec 22, 2017 | Dec 20, 2017 |
| 4 | Insider transaction | Dec 22, 2017 | Dec 20, 2017 |
| 4 | Insider transaction | Dec 22, 2017 | Dec 20, 2017 |
| 4 | Insider transaction | Dec 22, 2017 | Dec 20, 2017 |
| 4 | Insider transaction | Dec 22, 2017 | Dec 20, 2017 |
| 4 | Insider transaction | Dec 5, 2017 | Dec 1, 2017 |
| 4 | Insider transaction | Sep 6, 2017 | Sep 5, 2017 |
| 4 | Insider transaction | Aug 28, 2017 | Jun 16, 2017 |
| 4 | Insider transaction | Aug 23, 2017 | Aug 22, 2017 |
| 4 | Insider transaction | Aug 11, 2017 | Aug 11, 2017 |
| 4 | Insider transaction | Aug 11, 2017 | Aug 11, 2017 |
| 4 | Insider transaction | Jun 13, 2017 | Jun 9, 2017 |
| 4 | Insider transaction | May 19, 2017 | May 18, 2017 |
| 4/A | Primary document | May 15, 2017 | May 1, 2017 |
| 4 | Insider transaction | May 2, 2017 | May 1, 2017 |
| 4 | Insider transaction | Apr 4, 2017 | Mar 31, 2017 |
| 4 | Insider transaction | Mar 21, 2017 | Mar 17, 2017 |
| 4 | Insider transaction | Mar 21, 2017 | Mar 17, 2017 |
| 4 | Insider transaction | Feb 15, 2017 | Feb 13, 2017 |
| 3 | Initial insider ownership | Feb 15, 2017 | Feb 13, 2017 |
| 4 | Insider transaction | Dec 23, 2016 | Dec 23, 2016 |
| 4 | Insider transaction | Dec 15, 2016 | Dec 14, 2016 |
| 4 | Insider transaction | Dec 9, 2016 | Dec 7, 2016 |
| 4 | Insider transaction | Dec 6, 2016 | Dec 5, 2016 |
| 4 | Insider transaction | Dec 2, 2016 | Nov 30, 2016 |
| 4 | Insider transaction | Aug 26, 2016 | Aug 24, 2016 |
| 4 | Insider transaction | Aug 26, 2016 | Aug 24, 2016 |
| 4 | Insider transaction | Aug 25, 2016 | Aug 24, 2016 |
| 4 | Insider transaction | Aug 25, 2016 | Aug 24, 2016 |
| 4 | Insider transaction | Jun 7, 2016 | Jun 3, 2016 |
| 4 | Insider transaction | Jun 7, 2016 | Jun 3, 2016 |
| SC 13D/A | Amended ownership over 5% (active) | Jan 14, 2016 | — |
| 4 | Insider transaction | Dec 22, 2015 | Dec 18, 2015 |
| 4 | Insider transaction | Dec 18, 2015 | Dec 17, 2015 |
| SC 13D/A | Amended ownership over 5% (active) | Oct 5, 2015 | — |
| 4 | Insider transaction | Oct 1, 2015 | Sep 29, 2015 |
| 4 | Insider transaction | Sep 11, 2015 | Sep 9, 2015 |
| 4 | Insider transaction | Sep 11, 2015 | Sep 9, 2015 |
| 4 | Insider transaction | Sep 11, 2015 | Sep 9, 2015 |
| 4 | Insider transaction | Sep 11, 2015 | Sep 9, 2015 |
| 4 | Insider transaction | Sep 11, 2015 | Sep 9, 2015 |
| 4 | Insider transaction | Sep 11, 2015 | Sep 9, 2015 |
| 4 | Insider transaction | Sep 11, 2015 | Sep 9, 2015 |
| 4 | Insider transaction | Aug 31, 2015 | Aug 27, 2015 |
| 4 | Insider transaction | Aug 20, 2015 | Aug 19, 2015 |
| 4 | Insider transaction | Aug 18, 2015 | Aug 14, 2015 |
| 3 | Initial insider ownership | Aug 18, 2015 | Aug 14, 2015 |
| 4 | Insider transaction | May 14, 2015 | May 12, 2015 |
| 4 | Insider transaction | May 14, 2015 | May 12, 2015 |
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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Surgical & Medical Instruments & Apparatus (SIC 3841)
- Listed as
- NEPH (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- South Orange, NJ
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1196298
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.