Nuwellis, Inc. SEC filings NUWE
Nuwellis, Inc. has 1,000 filings in SEC EDGAR's recent list, going back to Jan 28, 2013. Its latest annual report, Form ARS, was filed on Apr 2, 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 Oct 23, 2026 (change to shareholder rights, bylaw or fiscal year change). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Sep 18, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 7, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 6, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 5, 2026 | — |
| 3 | Initial insider ownership | Jul 1, 2026 | Jun 30, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2026 | — |
| 4 | Insider transaction | Apr 29, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Apr 29, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Apr 29, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Apr 29, 2026 | Apr 28, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Feb 24, 2026 |
| 3 | Initial insider ownership | Mar 2, 2026 | Feb 24, 2026 |
| 3 | Initial insider ownership | Feb 12, 2026 | Jan 28, 2026 |
| 3 | Initial insider ownership | Feb 11, 2026 | Jan 21, 2026 |
| 3 | Initial insider ownership | Feb 11, 2026 | Jan 21, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 20, 2026 | — |
| 4 | Insider transaction | Jul 1, 2025 | Jun 27, 2025 |
| SCHEDULE 13D | Ownership over 5% (active) | Jun 16, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jun 13, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jun 12, 2025 | — |
| 4 | Insider transaction | Jun 11, 2025 | Jun 9, 2025 |
| 4 | Insider transaction | May 21, 2025 | May 20, 2025 |
| 4 | Insider transaction | May 21, 2025 | May 20, 2025 |
| 4 | Insider transaction | May 21, 2025 | May 20, 2025 |
| 4 | Insider transaction | May 21, 2025 | May 20, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 18, 2025 | — |
| SC 13G | Ownership over 5% (passive) | Aug 30, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Aug 2, 2024 | — |
| SC 13G | Ownership over 5% (passive) | May 6, 2024 | — |
| SC 13G | Ownership over 5% (passive) | May 3, 2024 | — |
| 4 | Insider transaction | Jan 4, 2024 | Jan 2, 2024 |
| 4 | Insider transaction | Jan 4, 2024 | Jan 2, 2024 |
| 4 | Insider transaction | Jan 4, 2024 | Jan 2, 2024 |
| 3 | Initial insider ownership | Nov 1, 2023 | Nov 1, 2023 |
| 3 | Initial insider ownership | Nov 1, 2023 | Nov 1, 2023 |
| 4 | Insider transaction | Sep 6, 2023 | Sep 2, 2023 |
| 3 | Initial insider ownership | Sep 6, 2023 | Sep 2, 2023 |
| 4 | Insider transaction | Jun 5, 2023 | Jun 1, 2023 |
| 3 | Initial insider ownership | Jun 5, 2023 | Jun 1, 2023 |
| 4 | Insider transaction | May 23, 2023 | May 19, 2023 |
| 4 | Insider transaction | May 23, 2023 | May 19, 2023 |
| 4 | Insider transaction | May 23, 2023 | May 19, 2023 |
| 4 | Insider transaction | May 23, 2023 | May 19, 2023 |
| 4 | Insider transaction | Mar 16, 2023 | Mar 15, 2023 |
| 4 | Insider transaction | Mar 7, 2023 | Mar 3, 2023 |
| 4 | Insider transaction | Mar 7, 2023 | Mar 3, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2023 | — |
| 4 | Insider transaction | Jan 9, 2023 | Jan 6, 2023 |
| 3 | Initial insider ownership | Oct 28, 2022 | Oct 19, 2022 |
| SC 13G | Ownership over 5% (passive) | Oct 20, 2022 | — |
| 4 | Insider transaction | May 26, 2022 | May 25, 2022 |
| 4 | Insider transaction | May 26, 2022 | May 25, 2022 |
| 4 | Insider transaction | May 26, 2022 | May 25, 2022 |
| 4 | Insider transaction | May 26, 2022 | May 25, 2022 |
| 4 | Insider transaction | May 26, 2022 | May 25, 2022 |
| 4 | Insider transaction | Mar 4, 2022 | Mar 3, 2022 |
| 4 | Insider transaction | Mar 4, 2022 | Mar 3, 2022 |
| 4 | Insider transaction | Mar 4, 2022 | Mar 3, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 3, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 20, 2022 | — |
| 4 | Insider transaction | Aug 20, 2021 | Aug 18, 2021 |
| 4 | Insider transaction | Jul 1, 2021 | Jun 30, 2021 |
| 3 | Initial insider ownership | Jun 29, 2021 | Jun 28, 2021 |
| 4/A | Primary document | Jun 24, 2021 | Jun 22, 2021 |
| 4 | Insider transaction | Jun 23, 2021 | Jun 22, 2021 |
| 3 | Initial insider ownership | Jun 16, 2021 | Jun 7, 2021 |
| 4 | Insider transaction | May 20, 2021 | May 19, 2021 |
| 4 | Insider transaction | May 20, 2021 | May 19, 2021 |
| 4 | Insider transaction | May 20, 2021 | May 19, 2021 |
| 4 | Insider transaction | May 20, 2021 | May 19, 2021 |
| 4 | Insider transaction | May 20, 2021 | May 19, 2021 |
| 4 | Insider transaction | May 20, 2021 | May 19, 2021 |
| 3 | Initial insider ownership | Apr 16, 2021 | Apr 16, 2021 |
| SC 13G | Ownership over 5% (passive) | Mar 24, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Mar 23, 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/A | Amended ownership over 5% (passive) | Feb 9, 2021 | — |
| 4 | Insider transaction | Jan 26, 2021 | Jan 22, 2021 |
| 4 | Insider transaction | Jan 26, 2021 | Jan 22, 2021 |
| 4 | Insider transaction | Jan 26, 2021 | Jan 22, 2021 |
| 4 | Insider transaction | Jan 26, 2021 | Jan 22, 2021 |
| SC 13G | Ownership over 5% (passive) | Jan 13, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 29, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Aug 25, 2020 | — |
| 3 | Initial insider ownership | Aug 10, 2020 | May 20, 2020 |
| 4 | Insider transaction | May 22, 2020 | May 20, 2020 |
| 4 | Insider transaction | May 22, 2020 | May 20, 2020 |
| 4 | Insider transaction | May 22, 2020 | May 20, 2020 |
| 4 | Insider transaction | May 22, 2020 | May 20, 2020 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Feb 5, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Feb 3, 2020 | — |
| 4/A | Primary document | Jan 8, 2020 | Sep 3, 2019 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 27, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2019 | — |
| SC 13G | Ownership over 5% (passive) | Nov 1, 2019 | — |
| 4 | Insider transaction | Sep 16, 2019 | Sep 3, 2019 |
| 3 | Initial insider ownership | Sep 13, 2019 | Sep 3, 2019 |
| 4 | Insider transaction | May 28, 2019 | May 23, 2019 |
| 4 | Insider transaction | May 28, 2019 | May 23, 2019 |
| 4 | Insider transaction | May 28, 2019 | May 23, 2019 |
| 4 | Insider transaction | May 28, 2019 | May 23, 2019 |
| 4 | Insider transaction | May 28, 2019 | May 23, 2019 |
| 4 | Insider transaction | May 28, 2019 | May 23, 2019 |
| 3 | Initial insider ownership | May 17, 2019 | May 7, 2019 |
| SC 13G/A | Amended ownership over 5% (passive) | Mar 18, 2019 | — |
| SC 13G | Ownership over 5% (passive) | Mar 15, 2019 | — |
| SC 13G | Ownership over 5% (passive) | Mar 15, 2019 | — |
| 4 | Insider transaction | Mar 12, 2019 | Mar 12, 2019 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 17, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 7, 2019 | — |
| 4 | Insider transaction | Aug 13, 2018 | Aug 10, 2018 |
| 4 | Insider transaction | Jul 6, 2018 | Jul 3, 2018 |
| SC 13G | Ownership over 5% (passive) | Jul 6, 2018 | — |
| SC 13G | Ownership over 5% (passive) | Jul 5, 2018 | — |
| SC 13G | Ownership over 5% (passive) | Jul 3, 2018 | — |
| 4 | Insider transaction | May 29, 2018 | May 25, 2018 |
| 4 | Insider transaction | May 29, 2018 | May 25, 2018 |
| 4 | Insider transaction | May 29, 2018 | May 25, 2018 |
| 4 | Insider transaction | May 29, 2018 | May 25, 2018 |
| 4/A | Primary document | May 29, 2018 | May 25, 2018 |
| 4 | Insider transaction | May 18, 2018 | May 16, 2018 |
| 4 | Insider transaction | Jan 19, 2018 | Jan 17, 2018 |
| 4 | Insider transaction | Jan 19, 2018 | Jan 17, 2018 |
| 4 | Insider transaction | Jan 19, 2018 | Jan 17, 2018 |
| 4 | Insider transaction | Jan 19, 2018 | Jan 17, 2018 |
| 4 | Insider transaction | Jan 19, 2018 | Jan 17, 2018 |
| 4 | Insider transaction | Jan 19, 2018 | Jan 17, 2018 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 8, 2018 | — |
| 4 | Insider transaction | Jan 5, 2018 | Jan 3, 2018 |
| 4 | Insider transaction | Jan 5, 2018 | Jan 3, 2018 |
| SC 13G | Ownership over 5% (passive) | Dec 8, 2017 | — |
| 4 | Insider transaction | Nov 29, 2017 | Nov 22, 2017 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 29, 2017 | — |
| 4 | Insider transaction | Oct 13, 2017 | Oct 11, 2017 |
| SC 13G | Ownership over 5% (passive) | Oct 12, 2017 | — |
| 4 | Insider transaction | Sep 20, 2017 | Sep 13, 2017 |
| SC 13D/A | Amended ownership over 5% (active) | Sep 20, 2017 | — |
| SC 13D/A | Amended ownership over 5% (active) | Aug 17, 2017 | — |
| 4 | Insider transaction | Aug 16, 2017 | Aug 8, 2017 |
| 4 | Insider transaction | Jun 6, 2017 | Jun 2, 2017 |
| 4 | Insider transaction | Jun 6, 2017 | Jun 2, 2017 |
| 4 | Insider transaction | Jun 6, 2017 | Jun 2, 2017 |
| 4 | Insider transaction | Jun 6, 2017 | Jun 2, 2017 |
| 4 | Insider transaction | Jun 6, 2017 | Jun 2, 2017 |
| 4 | Insider transaction | Jun 6, 2017 | Jun 2, 2017 |
| 3 | Initial insider ownership | May 2, 2017 | Apr 24, 2017 |
| SC 13D/A | Amended ownership over 5% (active) | Apr 20, 2017 | — |
| 3 | Initial insider ownership | Apr 20, 2017 | Apr 19, 2017 |
| 4 | Insider transaction | Apr 20, 2017 | Apr 19, 2017 |
| SC 13D/A | Amended ownership over 5% (active) | Mar 28, 2017 | — |
| SC 13D | Ownership over 5% (active) | Mar 10, 2017 | — |
| 4 | Insider transaction | Mar 3, 2017 | Feb 2, 2017 |
| 3 | Initial insider ownership | Mar 3, 2017 | Feb 2, 2017 |
| 4 | Insider transaction | Feb 9, 2017 | Feb 2, 2017 |
| 3 | Initial insider ownership | Feb 9, 2017 | Feb 2, 2017 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 7, 2017 | — |
| 4 | Insider transaction | Feb 1, 2017 | Nov 23, 2015 |
| SC 13G | Ownership over 5% (passive) | Jan 20, 2017 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 19, 2017 | — |
| 4 | Insider transaction | Jan 17, 2017 | Jan 15, 2017 |
| 4 | Insider transaction | Jan 17, 2017 | Jan 15, 2017 |
| 4 | Insider transaction | Dec 16, 2016 | Dec 15, 2016 |
| 4 | Insider transaction | Dec 16, 2016 | Dec 15, 2016 |
| 4 | Insider transaction | Nov 29, 2016 | Nov 28, 2016 |
| 4 | Insider transaction | Nov 17, 2016 | Nov 15, 2016 |
| 4 | Insider transaction | Nov 17, 2016 | Nov 15, 2016 |
| 4 | Insider transaction | Oct 17, 2016 | Oct 15, 2016 |
| 4 | Insider transaction | Oct 17, 2016 | Oct 15, 2016 |
| 4 | Insider transaction | Sep 16, 2016 | Sep 15, 2016 |
| 4 | Insider transaction | Sep 16, 2016 | Sep 15, 2016 |
| 4 | Insider transaction | Aug 17, 2016 | Aug 15, 2016 |
| 4 | Insider transaction | Aug 17, 2016 | Aug 15, 2016 |
| 4 | Insider transaction | Jul 18, 2016 | Jul 15, 2016 |
| 4 | Insider transaction | Jul 18, 2016 | Jul 15, 2016 |
| 4 | Insider transaction | Jun 16, 2016 | Jun 15, 2016 |
| 4 | Insider transaction | Jun 16, 2016 | Jun 15, 2016 |
| 4 | Insider transaction | May 31, 2016 | May 26, 2016 |
| 4 | Insider transaction | May 31, 2016 | May 26, 2016 |
| 4 | Insider transaction | May 31, 2016 | May 26, 2016 |
| 4 | Insider transaction | May 31, 2016 | May 26, 2016 |
| 4 | Insider transaction | May 16, 2016 | May 15, 2016 |
| 4 | Insider transaction | May 16, 2016 | May 15, 2016 |
| 4 | Insider transaction | Apr 18, 2016 | Apr 15, 2016 |
| 4 | Insider transaction | Apr 18, 2016 | Apr 15, 2016 |
| 4 | Insider transaction | Mar 17, 2016 | Mar 16, 2016 |
| 4 | Insider transaction | Mar 16, 2016 | Mar 14, 2016 |
| 4 | Insider transaction | Mar 16, 2016 | Mar 15, 2016 |
| 4 | Insider transaction | Mar 16, 2016 | Mar 15, 2016 |
| 4 | Insider transaction | Feb 17, 2016 | Feb 15, 2016 |
| 4 | Insider transaction | Feb 17, 2016 | Feb 15, 2016 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2016 | — |
| 4 | Insider transaction | Jan 20, 2016 | Jan 15, 2016 |
| 4 | Insider transaction | Jan 20, 2016 | Jan 15, 2016 |
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
- Electromedical & Electrotherapeutic Apparatus (SIC 3845)
- Listed as
- NUWE (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Eden Prairie, MN
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1506492
- Former names
- CHF Solutions, Inc. (until Apr 16, 2021); Sunshine Heart, Inc. (until May 23, 2017)
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All 31 Electromedical & Electrotherapeutic Apparatus companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.