SeaStar Medical Holding Corp SEC filings ICU
SeaStar Medical Holding Corp has 543 filings in SEC EDGAR's recent list, going back to Dec 1, 2020. Its latest annual report, Form 10-K, was filed on Mar 25, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 12, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Nov 3, 2026 (other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| D | Filing | Oct 8, 2026 | — |
| EFFECT | Filing | May 11, 2026 | — |
| CORRESP | Letter to the SEC | May 8, 2026 | — |
| EFFECT | Filing | May 5, 2026 | — |
| EFFECT | Filing | May 5, 2026 | — |
| EFFECT | Filing | May 5, 2026 | — |
| UPLOAD | Letter from the SEC | May 5, 2026 | — |
| EFFECT | Filing | Aug 12, 2025 | — |
| CORRESP | Letter to the SEC | Aug 11, 2025 | — |
| UPLOAD | Letter from the SEC | Aug 11, 2025 | — |
| EFFECT | Filing | Jun 20, 2025 | — |
| CORRESP | Letter to the SEC | Jun 17, 2025 | — |
| UPLOAD | Letter from the SEC | May 30, 2025 | — |
| EFFECT | Filing | May 27, 2025 | — |
| DRS | Filing | May 27, 2025 | — |
| CORRESP | Letter to the SEC | May 22, 2025 | — |
| UPLOAD | Letter from the SEC | May 22, 2025 | — |
| EFFECT | Filing | Apr 29, 2025 | — |
| CORRESP | Letter to the SEC | Apr 25, 2025 | — |
| UPLOAD | Letter from the SEC | Apr 25, 2025 | — |
| DEFR14A | Proxy statement | Mar 4, 2025 | — |
| UPLOAD | Letter from the SEC | Dec 3, 2024 | — |
| CORRESP | Letter to the SEC | Nov 27, 2024 | — |
| UPLOAD | Letter from the SEC | Nov 26, 2024 | — |
| EFFECT | Filing | Aug 27, 2024 | — |
| EFFECT | Filing | Aug 27, 2024 | — |
| CORRESP | Letter to the SEC | Aug 23, 2024 | — |
| CORRESP | Letter to the SEC | Aug 23, 2024 | — |
| UPLOAD | Letter from the SEC | Aug 7, 2024 | — |
| D | Filing | Jul 26, 2024 | — |
| UPLOAD | Letter from the SEC | Jul 10, 2024 | — |
| NT 10-K | Filing | Apr 1, 2024 | Apr 1, 2024 |
| EFFECT | Filing | Feb 14, 2024 | — |
| CORRESP | Letter to the SEC | Feb 12, 2024 | — |
| CORRESP | Letter to the SEC | Feb 9, 2024 | — |
| UPLOAD | Letter from the SEC | Feb 2, 2024 | — |
| EFFECT | Filing | Dec 22, 2023 | — |
| CORRESP | Letter to the SEC | Dec 20, 2023 | — |
| UPLOAD | Letter from the SEC | Dec 19, 2023 | — |
| EFFECT | Filing | Dec 11, 2023 | — |
| CORRESP | Letter to the SEC | Dec 7, 2023 | — |
| UPLOAD | Letter from the SEC | Dec 6, 2023 | — |
| RW | Filing | Oct 26, 2023 | — |
| EFFECT | Filing | Jul 31, 2023 | — |
| CORRESP | Letter to the SEC | Jul 27, 2023 | — |
| UPLOAD | Letter from the SEC | Jul 27, 2023 | — |
| EFFECT | Filing | May 5, 2023 | — |
| EFFECT | Filing | May 5, 2023 | — |
| EFFECT | Filing | May 4, 2023 | — |
| EFFECT | Filing | Apr 26, 2023 | — |
| CORRESP | Letter to the SEC | Apr 24, 2023 | — |
| CORRESP | Letter to the SEC | Apr 21, 2023 | — |
| CORRESP | Letter to the SEC | Apr 21, 2023 | — |
| UPLOAD | Letter from the SEC | Apr 19, 2023 | — |
| UPLOAD | Letter from the SEC | Apr 17, 2023 | — |
| UPLOAD | Letter from the SEC | Apr 17, 2023 | — |
| EFFECT | Filing | Jan 30, 2023 | — |
| CORRESP | Letter to the SEC | Jan 26, 2023 | — |
| UPLOAD | Letter from the SEC | Jan 26, 2023 | — |
| EFFECT | Filing | Jan 9, 2023 | — |
| CORRESP | Letter to the SEC | Jan 6, 2023 | — |
| CORRESP | Letter to the SEC | Jan 4, 2023 | — |
| UPLOAD | Letter from the SEC | Dec 29, 2022 | — |
| CORRESP | Letter to the SEC | Dec 15, 2022 | — |
| UPLOAD | Letter from the SEC | Dec 5, 2022 | — |
| 15-15D | Form 15-15d | Nov 8, 2022 | — |
| 8-A12B/A | Form 8-a12b/a | Oct 31, 2022 | — |
| 25-NSE | Delisting notice | Oct 28, 2022 | — |
| 425 | Filing | Oct 27, 2022 | — |
| 425 | Filing | Oct 17, 2022 | — |
| 425 | Filing | Sep 28, 2022 | — |
| EFFECT | Filing | Sep 26, 2022 | — |
| CORRESP | Letter to the SEC | Sep 22, 2022 | — |
| CORRESP | Letter to the SEC | Sep 21, 2022 | — |
| UPLOAD | Letter from the SEC | Sep 19, 2022 | — |
| CORRESP | Letter to the SEC | Sep 13, 2022 | — |
| UPLOAD | Letter from the SEC | Sep 2, 2022 | — |
| CORRESP | Letter to the SEC | Aug 24, 2022 | — |
| 425 | Filing | Aug 24, 2022 | — |
| NT 10-Q | Nt 10-q - 2nd qtr 2022 | Aug 16, 2022 | Jun 30, 2022 |
| 425 | 425 - case study pr | Aug 1, 2022 | — |
| UPLOAD | Letter from the SEC | Jul 22, 2022 | — |
| 425 | 425 - fda study | Jul 20, 2022 | — |
| CORRESP | Letter to the SEC | Jul 11, 2022 | — |
| UPLOAD | Letter from the SEC | Jun 13, 2022 | — |
| 425 | 425 -critical carestudy | Jun 7, 2022 | — |
| 425 | 425 - cmo hire | May 24, 2022 | — |
| NT 10-Q | Nt 10-q 1st qtr 2022 | May 17, 2022 | Mar 31, 2022 |
| 425 | Filing | May 4, 2022 | — |
| 425 | 425 - fda breakthrough | May 3, 2022 | — |
| 425 | 425 - seastar merger | Apr 26, 2022 | — |
| 425 | Filing | Apr 22, 2022 | — |
| NT 10-K | Filing | Apr 1, 2022 | Dec 31, 2021 |
| NT 10-Q | Nt 10-q - 3rd qtr | Nov 16, 2021 | Sep 30, 2021 |
| NT 10-Q | Filing | May 18, 2021 | Mar 31, 2021 |
| EFFECT | Filing | Jan 25, 2021 | — |
| CERT | Filing | Jan 25, 2021 | — |
| 8-A12B | Form 8-a12b | Jan 22, 2021 | — |
| CORRESP | Letter to the SEC | Jan 21, 2021 | — |
| CORRESP | Letter to the SEC | Jan 21, 2021 | — |
| CORRESP | Letter to the SEC | Jan 11, 2021 | — |
| UPLOAD | Letter from the SEC | Dec 22, 2020 | — |
| DRS | Filing | Dec 1, 2020 | — |
Showing 103 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
- Surgical & Medical Instruments & Apparatus (SIC 3841)
- Listed as
- ICU (Nasdaq), ICUCW (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Denver, CO
- SEC filer status
- , Emerging growth company
- SEC CIK
- 1831868
- Former names
- LMF Acquisition Opportunities Inc (until Oct 27, 2022)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.