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 |
|---|---|---|---|
| 4 | Insider transaction | Nov 2, 2026 | Nov 2, 2026 |
| 144 | Notice of proposed sale | Nov 2, 2026 | — |
| 4 | Insider transaction | Oct 20, 2026 | Oct 20, 2026 |
| 4 | Insider transaction | Oct 15, 2026 | Oct 15, 2026 |
| 144 | Notice of proposed sale | Oct 15, 2026 | — |
| 4 | Insider transaction | Oct 13, 2026 | Oct 12, 2026 |
| 144 | Notice of proposed sale | Oct 13, 2026 | — |
| 4 | Insider transaction | Oct 2, 2026 | Oct 1, 2026 |
| 144 | Notice of proposed sale | Oct 1, 2026 | — |
| 4 | Insider transaction | Sep 21, 2026 | Sep 21, 2026 |
| 4 | Insider transaction | Sep 21, 2026 | Sep 21, 2026 |
| 144 | Notice of proposed sale | Sep 21, 2026 | — |
| 4 | Insider transaction | Sep 15, 2026 | Sep 15, 2026 |
| 4 | Insider transaction | Sep 15, 2026 | Sep 11, 2026 |
| 4 | Insider transaction | Sep 15, 2026 | Sep 15, 2026 |
| 4 | Insider transaction | Sep 15, 2026 | Sep 15, 2026 |
| 4 | Insider transaction | Sep 15, 2026 | Sep 15, 2026 |
| 4 | Insider transaction | Sep 1, 2026 | Sep 1, 2026 |
| 4 | Insider transaction | Sep 1, 2026 | Sep 1, 2026 |
| 144 | Notice of proposed sale | Sep 1, 2026 | — |
| 144 | Notice of proposed sale | Sep 1, 2026 | — |
| 4 | Insider transaction | Aug 25, 2026 | Aug 24, 2026 |
| 3 | Initial insider ownership | Aug 25, 2026 | Aug 24, 2026 |
| 4 | Insider transaction | Aug 17, 2026 | Aug 17, 2026 |
| 4 | Insider transaction | Aug 14, 2026 | Aug 14, 2026 |
| 4 | Insider transaction | Aug 14, 2026 | Aug 13, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| 144 | Notice of proposed sale | Aug 14, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 14, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 12, 2026 | — |
| 4 | Insider transaction | Jul 15, 2026 | Jul 15, 2026 |
| 144 | Notice of proposed sale | Jul 15, 2026 | — |
| 4 | Insider transaction | Jul 13, 2026 | Jul 13, 2026 |
| 144 | Notice of proposed sale | Jul 13, 2026 | — |
| 144 | Notice of proposed sale | Jul 1, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jul 1, 2026 | — |
| 4 | Insider transaction | Jul 1, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 22, 2026 |
| 4 | Insider transaction | Jun 15, 2026 | Jun 12, 2026 |
| 4 | Insider transaction | Jun 15, 2026 | Jun 15, 2026 |
| 4 | Insider transaction | Jun 15, 2026 | Jun 15, 2026 |
| 4 | Insider transaction | Jun 15, 2026 | Jun 15, 2026 |
| 4 | Insider transaction | Jun 15, 2026 | Jun 15, 2026 |
| 4 | Insider transaction | Jun 12, 2026 | Jun 11, 2026 |
| 144 | Notice of proposed sale | Jun 11, 2026 | — |
| 4 | Insider transaction | Jun 3, 2026 | Jun 2, 2026 |
| 4 | Insider transaction | Jun 3, 2026 | Jun 2, 2026 |
| 4 | Insider transaction | Jun 3, 2026 | Jun 2, 2026 |
| 4 | Insider transaction | Jun 3, 2026 | Jun 2, 2026 |
| 4 | Insider transaction | Jun 3, 2026 | Jun 2, 2026 |
| 4 | Insider transaction | May 22, 2026 | May 21, 2026 |
| 144 | Notice of proposed sale | May 21, 2026 | — |
| 4 | Insider transaction | May 18, 2026 | May 18, 2026 |
| 144 | Notice of proposed sale | May 18, 2026 | — |
| 4 | Insider transaction | May 15, 2026 | May 15, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | May 4, 2026 | — |
| 4 | Insider transaction | May 1, 2026 | May 1, 2026 |
| 144 | Notice of proposed sale | May 1, 2026 | — |
| 4 | Insider transaction | Apr 15, 2026 | Apr 15, 2026 |
| 144 | Notice of proposed sale | Apr 15, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 4 | Insider transaction | Mar 17, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 2, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Feb 17, 2026 | Feb 17, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 30, 2026 | — |
| 4 | Insider transaction | Jan 23, 2026 | Jan 23, 2026 |
| 4 | Insider transaction | Jan 23, 2026 | Jan 23, 2026 |
| 4 | Insider transaction | Jan 23, 2026 | Jan 23, 2026 |
| 4 | Insider transaction | Jan 23, 2026 | Jan 23, 2026 |
| 4 | Insider transaction | Jan 23, 2026 | Jan 23, 2026 |
| 4 | Insider transaction | Jan 23, 2026 | Jan 23, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 21, 2026 | — |
| 4 | Insider transaction | Jan 16, 2026 | Jan 15, 2026 |
| 4 | Insider transaction | Jan 2, 2026 | Jan 2, 2026 |
| 144 | Notice of proposed sale | Jan 2, 2026 | — |
| 4 | Insider transaction | Dec 19, 2025 | Dec 19, 2025 |
| 144 | Notice of proposed sale | Dec 19, 2025 | — |
| 4 | Insider transaction | Dec 11, 2025 | Dec 11, 2025 |
| 3 | Initial insider ownership | Dec 11, 2025 | Dec 11, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 17, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Sep 24, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Sep 19, 2025 | — |
| 4 | Insider transaction | Sep 19, 2025 | Sep 17, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 17, 2025 | — |
| 4 | Insider transaction | Jul 1, 2025 | Jul 1, 2025 |
| 3 | Initial insider ownership | Jul 1, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | Jun 2, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | Jun 2, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | Jun 2, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | Jun 2, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | Jun 2, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 13, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 10, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 27, 2025 | — |
| 4 | Insider transaction | Feb 27, 2025 | Feb 10, 2025 |
| 3 | Initial insider ownership | Feb 27, 2025 | Feb 10, 2025 |
| 4 | Insider transaction | Jan 24, 2025 | Jan 22, 2025 |
| 4 | Insider transaction | Jan 24, 2025 | Jan 22, 2025 |
| 4 | Insider transaction | Jan 24, 2025 | Jan 22, 2025 |
| 4 | Insider transaction | Jan 24, 2025 | Jan 22, 2025 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 21, 2024 | — |
| 4 | Insider transaction | Nov 21, 2024 | Nov 19, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Oct 22, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Oct 7, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Sep 13, 2024 | — |
| 4 | Insider transaction | Sep 13, 2024 | Sep 11, 2024 |
| SC 13D | Ownership over 5% (active) | Sep 6, 2024 | — |
| 3 | Initial insider ownership | Sep 6, 2024 | Aug 29, 2024 |
| 3 | Initial insider ownership | Sep 6, 2024 | Aug 29, 2024 |
| 3 | Initial insider ownership | Sep 6, 2024 | Aug 29, 2024 |
| 3 | Initial insider ownership | Sep 6, 2024 | Aug 29, 2024 |
| 3 | Initial insider ownership | Sep 6, 2024 | Aug 29, 2024 |
| 3 | Initial insider ownership | Sep 6, 2024 | Aug 29, 2024 |
| 3 | Initial insider ownership | Sep 6, 2024 | Aug 29, 2024 |
| 3 | Initial insider ownership | Sep 6, 2024 | Aug 29, 2024 |
| 3 | Initial insider ownership | Sep 6, 2024 | Aug 29, 2024 |
| 4 | Insider transaction | Aug 30, 2024 | Aug 29, 2024 |
| 4 | Insider transaction | Aug 20, 2024 | Aug 16, 2024 |
| 4 | Insider transaction | Jul 26, 2024 | Jul 24, 2024 |
| 4 | Insider transaction | Jul 12, 2024 | Jul 2, 2024 |
| 3 | Initial insider ownership | Jul 12, 2024 | Jul 2, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Jul 5, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Apr 29, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Apr 15, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Apr 11, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Apr 9, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Apr 5, 2024 | — |
| SC 13D | Ownership over 5% (active) | Apr 5, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 7, 2024 | — |
| 4 | Insider transaction | Jan 31, 2024 | Jan 30, 2024 |
| 4 | Insider transaction | Jan 31, 2024 | Jan 30, 2024 |
| 4 | Insider transaction | Jan 31, 2024 | Jan 30, 2024 |
| 4 | Insider transaction | Jan 31, 2024 | Jan 30, 2024 |
| 4 | Insider transaction | Jan 31, 2024 | Jan 30, 2024 |
| 4 | Insider transaction | Jan 31, 2024 | Jan 30, 2024 |
| 4 | Insider transaction | Jan 31, 2024 | Jan 30, 2024 |
| SC 13G | Ownership over 5% (passive) | Sep 11, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2023 | — |
| 4 | Insider transaction | Dec 19, 2022 | Dec 15, 2022 |
| 4 | Insider transaction | Dec 19, 2022 | Dec 15, 2022 |
| 4 | Insider transaction | Dec 19, 2022 | Dec 15, 2022 |
| 4 | Insider transaction | Dec 19, 2022 | Dec 15, 2022 |
| 4 | Insider transaction | Dec 19, 2022 | Dec 15, 2022 |
| 4 | Insider transaction | Dec 19, 2022 | Dec 15, 2022 |
| 4 | Insider transaction | Dec 19, 2022 | Dec 15, 2022 |
| 3 | Initial insider ownership | Dec 19, 2022 | Dec 15, 2022 |
| 4 | Insider transaction | Dec 9, 2022 | Dec 8, 2022 |
| 4 | Insider transaction | Dec 9, 2022 | Dec 8, 2022 |
| 4 | Insider transaction | Jul 8, 2022 | Jul 1, 2022 |
| 3 | Initial insider ownership | Jul 8, 2022 | Jul 1, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 8, 2022 | — |
| 4 | Insider transaction | Jun 21, 2022 | Jun 15, 2022 |
| 3 | Initial insider ownership | Jun 21, 2022 | Jun 15, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Jun 21, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 27, 2022 | — |
| 4 | Insider transaction | May 25, 2022 | May 23, 2022 |
| 4 | Insider transaction | May 20, 2022 | May 18, 2022 |
| 4 | Insider transaction | May 16, 2022 | May 12, 2022 |
| 4 | Insider transaction | May 11, 2022 | May 10, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | May 11, 2022 | — |
| 4 | Insider transaction | May 9, 2022 | May 5, 2022 |
| 4 | Insider transaction | May 2, 2022 | Apr 28, 2022 |
| 4 | Insider transaction | Apr 27, 2022 | Apr 25, 2022 |
| 4 | Insider transaction | Apr 20, 2022 | Apr 18, 2022 |
| 4 | Insider transaction | Apr 14, 2022 | Apr 14, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Apr 14, 2022 | — |
| 4 | Insider transaction | Apr 12, 2022 | Apr 8, 2022 |
| 4 | Insider transaction | Apr 7, 2022 | Apr 5, 2022 |
| 4/A | Ownership document | Apr 7, 2022 | Apr 1, 2022 |
| 3/A | Ownership document | Apr 7, 2022 | Apr 1, 2022 |
| 4 | Insider transaction | Apr 4, 2022 | Apr 1, 2022 |
| 3 | Initial insider ownership | Apr 4, 2022 | Apr 1, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Apr 4, 2022 | — |
| SC 13D | Ownership over 5% (active) | Mar 28, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Jan 27, 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 | Nov 23, 2021 | Nov 22, 2021 |
| 4 | Insider transaction | May 13, 2021 | May 13, 2021 |
| 3 | Initial insider ownership | May 11, 2021 | May 10, 2021 |
| 4 | Insider transaction | May 6, 2021 | May 5, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2021 | — |
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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.