Oruka Therapeutics, Inc. SEC filings ORKA
Oruka Therapeutics, Inc. has 1,001 filings in SEC EDGAR's recent list, going back to Jun 26, 2009. Its latest annual report, Form ARS, was filed on Apr 17, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 10, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 26, 2026 (regulation fd disclosure, other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 424B5 | Prospectus supplement | Aug 28, 2026 | — |
| S-3 | Shelf registration | Aug 21, 2026 | — |
| 424B5 | Prospectus supplement | Apr 29, 2026 | — |
| 424B5 | Prospectus supplement | Apr 27, 2026 | — |
| 424B5 | Prospectus supplement | Apr 27, 2026 | — |
| 424B7 | Prospectus supplement | Apr 21, 2026 | — |
| S-3 | Shelf registration | Apr 2, 2026 | — |
| S-8 | Employee stock plan registration | Mar 12, 2026 | — |
| 424B3 | Prospectus | Nov 5, 2025 | — |
| 424B5 | Prospectus supplement | Nov 5, 2025 | — |
| S-3/A | Amendment no. 1 to form s-3 | Oct 14, 2025 | — |
| S-3/A | Amendment no. 1 to form s-3 | Oct 14, 2025 | — |
| S-3 | Shelf registration | Oct 3, 2025 | — |
| S-3 | Shelf registration | Oct 3, 2025 | — |
| 424B3 | Prospectus | Sep 22, 2025 | — |
| 424B3 | Prospectus | Aug 11, 2025 | — |
| 424B3 | Prospectus | May 14, 2025 | — |
| POS AM | Post-effective amendment no. 1 to form s-1 | Mar 6, 2025 | — |
| S-8 | Employee stock plan registration | Mar 6, 2025 | — |
| S-8 | Employee stock plan registration | Nov 14, 2024 | — |
| S-1 | Registration statement | Nov 14, 2024 | — |
| 424B3 | Prospectus | Aug 1, 2024 | — |
| S-4/A | Registration statement | Jul 22, 2024 | — |
| S-4/A | Registration statement | Jul 9, 2024 | — |
| S-4/A | Registration statement | Jun 18, 2024 | — |
| S-4 | Registration for a merger or exchange | May 14, 2024 | — |
| 424B5 | Prospectus supplement | Mar 18, 2022 | — |
| 424B5 | Prospectus supplement | Apr 6, 2021 | — |
| S-3 | Shelf registration | Mar 22, 2021 | — |
| S-8 | Employee stock plan registration | Dec 17, 2020 | — |
| 424B5 | Prospectus supplement | Jul 22, 2020 | — |
| 424B5 | Prospectus supplement | Jul 14, 2020 | — |
| 424B5 | Prospectus supplement | Jul 2, 2020 | — |
| 424B5 | Prospectus supplement | Jun 3, 2020 | — |
| S-3 | Shelf registration | May 7, 2020 | — |
| S-1 | Registration statement | Feb 26, 2020 | — |
| 424B5 | Prospectus supplement | Jun 28, 2019 | — |
| 424B5 | Prospectus supplement | May 20, 2019 | — |
| 424B5 | Prospectus supplement | May 9, 2019 | — |
| 424B5 | Prospectus supplement | Mar 11, 2019 | — |
| 424B5 | Prospectus supplement | Jan 25, 2019 | — |
| 424B5 | Prospectus supplement | Aug 21, 2017 | — |
| S-3/A | Filing | May 10, 2017 | — |
| S-3 | Shelf registration | Apr 25, 2017 | — |
| 424B5 | Prospectus supplement | Jan 11, 2017 | — |
| S-8 | Employee stock plan registration | Jun 20, 2016 | — |
| POS AM | Post-effective amendment no.1 to form s-1 | Oct 16, 2015 | — |
| 424B4 | Prospectus | Sep 9, 2015 | — |
| 424B4 | Prospectus | Sep 3, 2015 | — |
| 424B4 | Prospectus | Aug 11, 2015 | — |
| 424B4 | Prospectus | Jul 20, 2015 | — |
| 424B4 | Prospectus | Jul 16, 2015 | — |
| S-3 | Shelf registration | Jul 7, 2015 | — |
| 424B4 | Prospectus | Jun 23, 2015 | — |
| 424B4 | Prospectus | Jun 11, 2015 | — |
| 424B4 | Prospectus | Jun 11, 2015 | — |
| 424B4 | Prospectus | Jun 5, 2015 | — |
| 424B4 | Prospectus | May 12, 2015 | — |
| 424B4 | Prospectus | Apr 14, 2015 | — |
| 424B4 | Prospectus | Apr 13, 2015 | — |
| 424B4 | Prospectus | Mar 19, 2015 | — |
| 424B4 | Prospectus | Mar 16, 2015 | — |
| 424B4 | Prospectus | Feb 23, 2015 | — |
| 424B4 | Prospectus | Feb 17, 2015 | — |
| 424B4 | Prospectus | Feb 5, 2015 | — |
| 424B4 | Prospectus | Dec 30, 2014 | — |
| 424B4 | Prospectus | Dec 11, 2014 | — |
| 424B4 | Prospectus | Dec 10, 2014 | — |
| 424B4 | Prospectus | Dec 2, 2014 | — |
| 424B4 | Prospectus | Nov 12, 2014 | — |
| 424B4 | Prospectus | Aug 18, 2014 | — |
| 424B4 | Prospectus | Aug 14, 2014 | — |
| 424B4 | Prospectus | Jun 9, 2014 | — |
| 424B4 | Prospectus | May 14, 2014 | — |
| S-3 | Shelf registration | Apr 4, 2014 | — |
| 424B4 | Prospectus | Mar 21, 2014 | — |
| 424B4 | Prospectus | Mar 3, 2014 | — |
| 424B4 | Prospectus | Feb 18, 2014 | — |
| 424B4 | Prospectus | Feb 13, 2014 | — |
| 424B4 | Prospectus | Feb 10, 2014 | — |
| 424B5 | Prospectus supplement | Feb 4, 2014 | — |
| 424B5 | Prospectus supplement | Feb 3, 2014 | — |
| 424B4 | Prospectus | Jan 8, 2014 | — |
| 424B4 | Prospectus | Dec 5, 2013 | — |
| 424B4 | Prospectus | Nov 21, 2013 | — |
| 424B4 | Prospectus | Nov 13, 2013 | — |
| 424B4 | Prospectus | Nov 6, 2013 | — |
| 424B4 | Prospectus | Oct 30, 2013 | — |
| 424B4 | Prospectus | Oct 29, 2013 | — |
| 424B4 | Prospectus | Sep 23, 2013 | — |
| S-8 | Employee stock plan registration | Sep 20, 2013 | — |
| 424B4 | Prospectus | Sep 5, 2013 | — |
| 424B4 | Prospectus | Aug 6, 2013 | — |
| 424B4 | Prospectus | Jul 31, 2013 | — |
| 424B4 | Prospectus | Jul 25, 2013 | — |
| 424B4 | Prospectus | Jul 19, 2013 | — |
| 424B4 | Prospectus | Jul 18, 2013 | — |
| 424B4 | Prospectus | May 30, 2013 | — |
| S-1/A | Amended registration statement | May 24, 2013 | — |
| S-1/A | Amended registration statement | May 15, 2013 | — |
| S-1/A | Amended registration statement | Apr 4, 2013 | — |
| S-1 | Registration statement | Mar 25, 2013 | — |
| S-3 | Shelf registration | Feb 11, 2013 | — |
| 424B5 | Prospectus supplement | Feb 1, 2013 | — |
| 424B5 | Prospectus supplement | Aug 3, 2012 | — |
| S-3/A | Amendment no. 1 to form s-3 | Jan 24, 2012 | — |
| S-3 | Shelf registration | Jan 12, 2012 | — |
| 424B5 | Prospectus supplement | Apr 18, 2011 | — |
| S-3 | Shelf registration | Mar 9, 2011 | — |
| 424B3 | Prospectus | Apr 30, 2010 | — |
| 424B5 | Prospectus supplement | Dec 8, 2009 | — |
| S-8 | Employee stock plan registration | Aug 21, 2009 | — |
Showing 112 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
- ORKA (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Menlo Park, CA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 907654
- Former names
- ARCA biopharma, Inc. (until Aug 30, 2024); NUVELO INC (until Jan 27, 2009); HYSEQ INC (until Jan 28, 2003)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.