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 |
|---|---|---|---|
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Oct 26, 2026 | Oct 26, 2026 |
| 424B5 | Prospectus supplement | Aug 28, 2026 | — |
| EFFECT | Filing | Aug 27, 2026 | — |
| 8-K |
Current report
Officer or director change
|
Aug 24, 2026 | Aug 24, 2026 |
| S-3 | Shelf registration | Aug 21, 2026 | — |
| 10-Q | Quarterly report | Aug 10, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2026 | Aug 10, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 4, 2026 | Jun 2, 2026 |
| 8-K |
Current report
Other events
|
Jun 1, 2026 | May 29, 2026 |
| 10-Q | Quarterly report | May 13, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations, Other events
|
Apr 30, 2026 | Apr 27, 2026 |
| 424B5 | Prospectus supplement | Apr 29, 2026 | — |
| 424B5 | Prospectus supplement | Apr 27, 2026 | — |
| 424B5 | Prospectus supplement | Apr 27, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Apr 27, 2026 | Apr 27, 2026 |
| 424B7 | Prospectus supplement | Apr 21, 2026 | — |
| ARS | Annual report to shareholders | Apr 17, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 17, 2026 | — |
| DEF 14A | Proxy statement | Apr 17, 2026 | Jun 2, 2026 |
| EFFECT | Filing | Apr 10, 2026 | — |
| CORRESP | Letter to the SEC | Apr 8, 2026 | — |
| UPLOAD | Letter from the SEC | Apr 7, 2026 | — |
| S-3 | Shelf registration | Apr 2, 2026 | — |
| S-8 | Employee stock plan registration | Mar 12, 2026 | — |
| 10-K | Annual report | Mar 12, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Officer or director change
|
Dec 11, 2025 | Dec 11, 2025 |
| 10-Q | Quarterly report | Nov 12, 2025 | Sep 30, 2025 |
| 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 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
|
Sep 22, 2025 | Sep 17, 2025 |
| 424B3 | Prospectus | Aug 11, 2025 | — |
| 10-Q | Quarterly report | Aug 11, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Officer or director change
|
Jul 1, 2025 | Jul 1, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Jun 3, 2025 | Jun 2, 2025 |
| 424B3 | Prospectus | May 14, 2025 | — |
| 10-Q | Quarterly report | May 14, 2025 | Mar 31, 2025 |
| ARS | Annual report to shareholders | Apr 18, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 18, 2025 | — |
| DEF 14A | Proxy statement | Apr 18, 2025 | Jun 2, 2025 |
| EFFECT | Filing | Mar 11, 2025 | — |
| POS AM | Post-effective amendment no. 1 to form s-1 | Mar 6, 2025 | — |
| S-8 | Employee stock plan registration | Mar 6, 2025 | — |
| 10-K | Annual report | Mar 6, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Material agreement
|
Feb 5, 2025 | Feb 4, 2025 |
| 8-K |
Current report
Material agreement
|
Dec 19, 2024 | Dec 17, 2024 |
| EFFECT | Filing | Nov 26, 2024 | — |
| CORRESP | Letter to the SEC | Nov 22, 2024 | — |
| UPLOAD | Letter from the SEC | Nov 22, 2024 | — |
| 8-K |
Current report
Shareholder vote results
|
Nov 18, 2024 | Nov 14, 2024 |
| S-8 | Employee stock plan registration | Nov 14, 2024 | — |
| 8-K |
Current report
Other events
|
Nov 14, 2024 | Nov 14, 2024 |
| S-1 | Registration statement | Nov 14, 2024 | — |
| 10-Q | Quarterly report | Nov 13, 2024 | Sep 30, 2024 |
| DEF 14A | Proxy statement | Oct 18, 2024 | Nov 14, 2024 |
| PRE 14A | Preliminary proxy statement | Oct 7, 2024 | Nov 14, 2024 |
| 8-K |
Current report
Officer or director change
|
Oct 4, 2024 | Oct 3, 2024 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Bylaw or fiscal year change, Regulation FD disclosure
|
Sep 13, 2024 | Sep 11, 2024 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Results of operations, Change to shareholder rights, Auditor change, Change in control, Officer or director change, Bylaw or fiscal year change, Regulation FD disclosure
|
Sep 5, 2024 | Aug 29, 2024 |
| 425 | Current report | Aug 27, 2024 | — |
| 8-K |
Current report
Other events
|
Aug 27, 2024 | Aug 26, 2024 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Aug 23, 2024 | Aug 22, 2024 |
| 425 | Current report | Aug 16, 2024 | — |
| 8-K |
Current report
Other events
|
Aug 16, 2024 | Aug 16, 2024 |
| 425 | Current report | Aug 15, 2024 | — |
| 8-K |
Current report
Material agreement
|
Aug 15, 2024 | Aug 14, 2024 |
| 425 | Form 425 | Aug 9, 2024 | — |
| 425 | Filing | Aug 1, 2024 | — |
| 8-K |
Current report
Results of operations
|
Aug 1, 2024 | Aug 1, 2024 |
| 424B3 | Prospectus | Aug 1, 2024 | — |
| 10-Q | Quarterly report | Aug 1, 2024 | Jun 30, 2024 |
| SEC STAFF LETTER | Filing | Jul 26, 2024 | — |
| EFFECT | Filing | Jul 24, 2024 | — |
| ARS | Annual report to shareholders | Jul 24, 2024 | Dec 31, 2023 |
| CORRESP | Letter to the SEC | Jul 23, 2024 | — |
| CORRESP | Letter to the SEC | Jul 22, 2024 | — |
| S-4/A | Registration statement | Jul 22, 2024 | — |
| UPLOAD | Letter from the SEC | Jul 16, 2024 | — |
| SEC STAFF LETTER | Filing | Jul 12, 2024 | — |
| S-4/A | Registration statement | Jul 9, 2024 | — |
| CORRESP | Letter to the SEC | Jul 9, 2024 | — |
| 425 | Current report | Jul 9, 2024 | — |
| 8-K |
Current report
Material agreement
|
Jul 9, 2024 | Jul 3, 2024 |
| UPLOAD | Letter from the SEC | Jul 3, 2024 | — |
| CORRESP | Letter to the SEC | Jun 18, 2024 | — |
| S-4/A | Registration statement | Jun 18, 2024 | — |
| UPLOAD | Letter from the SEC | Jun 11, 2024 | — |
| 425 | Form 425 | Jun 6, 2024 | — |
| S-4 | Registration for a merger or exchange | May 14, 2024 | — |
| 425 | Filing | Apr 25, 2024 | — |
| 8-K |
Current report
Results of operations
|
Apr 25, 2024 | Apr 25, 2024 |
| 10-Q | Quarterly report | Apr 25, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Officer or director change
|
Apr 23, 2024 | Apr 20, 2024 |
| 8-K |
Current report
Officer or director change
|
Apr 4, 2024 | Apr 2, 2024 |
| 425 | Filing | Apr 3, 2024 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Change in control, Officer or director change, Regulation FD disclosure
|
Apr 3, 2024 | Apr 3, 2024 |
| 8-K |
Current report
Material agreement
|
Mar 22, 2024 | Mar 19, 2024 |
| 8-K |
Current report
Officer or director change
|
Feb 6, 2024 | Feb 2, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 1, 2024 | Feb 1, 2024 |
| 10-K | Annual report | Feb 1, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jan 31, 2024 | Jan 30, 2024 |
| ARS | Annual report to shareholders | Dec 19, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | Dec 19, 2023 | — |
| DEF 14A | Proxy statement | Dec 19, 2023 | Jan 30, 2024 |
| 8-K | Current report | Dec 5, 2023 | Dec 4, 2023 |
| 8-K |
Current report
Officer or director change
|
Dec 4, 2023 | Nov 29, 2023 |
| 8-K |
Current report
Results of operations
|
Oct 18, 2023 | Oct 18, 2023 |
| 10-Q | Quarterly report | Oct 18, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Jul 21, 2023 | Jul 21, 2023 |
| 10-Q | Quarterly report | Jul 21, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Apr 24, 2023 | Apr 24, 2023 |
| 10-Q | Quarterly report | Apr 24, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 24, 2023 | Feb 24, 2023 |
| 10-K | Annual report | Feb 24, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Officer or director change
|
Feb 13, 2023 | Feb 10, 2023 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Dec 19, 2022 | Dec 15, 2022 |
| 8-K |
Current report
Officer or director change
|
Dec 9, 2022 | Dec 8, 2022 |
| DEFA14A | Additional proxy material | Nov 3, 2022 | — |
| DEF 14A | Proxy statement | Nov 3, 2022 | Dec 15, 2022 |
| 8-K |
Current report
Results of operations
|
Oct 28, 2022 | Oct 28, 2022 |
| 10-Q | Quarterly report | Oct 28, 2022 | Sep 30, 2022 |
| 8-K | Current report | Oct 20, 2022 | Oct 20, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 2, 2022 | Aug 2, 2022 |
| 10-Q | Quarterly report | Aug 2, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Material agreement, Officer or director change
|
Jun 21, 2022 | Jun 15, 2022 |
| 8-K |
Current report
Other events
|
May 5, 2022 | May 5, 2022 |
| 8-K |
Current report
Results of operations
|
May 2, 2022 | May 2, 2022 |
| 10-Q | Quarterly report | May 2, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Other events
|
Apr 18, 2022 | Apr 18, 2022 |
| 8-K |
Current report
Other events
|
Mar 31, 2022 | Mar 31, 2022 |
| 424B5 | Prospectus supplement | Mar 18, 2022 | — |
| 8-K |
Current report
Results of operations
|
Mar 14, 2022 | Mar 14, 2022 |
| 10-K | Annual report | Mar 14, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Officer or director change
|
Dec 16, 2021 | Dec 14, 2021 |
| 8-K |
Current report
Other events
|
Dec 2, 2021 | Dec 2, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2021 | Nov 2, 2021 |
| 10-Q | Quarterly report | Nov 2, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Other events
|
Oct 28, 2021 | Oct 28, 2021 |
| 8-K |
Current report
Other events
|
Sep 16, 2021 | Sep 16, 2021 |
| 8-K |
Current report
Other events
|
Aug 9, 2021 | Aug 9, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 4, 2021 | Aug 4, 2021 |
| 10-Q | Quarterly report | Aug 4, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Other events
|
Jul 28, 2021 | Jul 28, 2021 |
| 8-K |
Current report
Other events
|
Jul 13, 2021 | Jul 13, 2021 |
| 8-K |
Current report
Shareholder vote results
|
Jul 9, 2021 | Jul 8, 2021 |
| 8-K |
Current report
Material agreement
|
Jul 7, 2021 | Jul 1, 2021 |
| DEFA14A | Additional proxy material | Jun 28, 2021 | — |
| 8-K |
Current report
Other events
|
Jun 28, 2021 | Jun 28, 2021 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Jun 28, 2021 | Jun 28, 2021 |
| 8-K |
Current report
Other events
|
Jun 10, 2021 | Jun 10, 2021 |
| 8-K |
Current report
Results of operations
|
May 11, 2021 | May 11, 2021 |
| 10-Q | Quarterly report | May 11, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Officer or director change
|
May 3, 2021 | May 3, 2021 |
| DEFA14A | Additional proxy material | Apr 21, 2021 | — |
| DEF 14A | Proxy statement | Apr 21, 2021 | Jun 10, 2021 |
| 424B5 | Prospectus supplement | Apr 6, 2021 | — |
| 8-K |
Current report
Material agreement
|
Apr 6, 2021 | Apr 2, 2021 |
| RW | Filing | Apr 2, 2021 | — |
| EFFECT | Filing | Mar 30, 2021 | — |
| CORRESP | Letter to the SEC | Mar 26, 2021 | — |
| UPLOAD | Letter from the SEC | Mar 26, 2021 | — |
| S-3 | Shelf registration | Mar 22, 2021 | — |
| 8-K |
Current report
Results of operations
|
Mar 18, 2021 | Mar 18, 2021 |
| 10-K | Annual report | Mar 18, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Officer or director change
|
Feb 2, 2021 | Jan 29, 2021 |
| 8-K |
Current report
Officer or director change
|
Dec 23, 2020 | Dec 21, 2020 |
| S-8 | Employee stock plan registration | Dec 17, 2020 | — |
| 8-K |
Current report
Other events
|
Dec 15, 2020 | Dec 15, 2020 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Dec 10, 2020 | Dec 10, 2020 |
| DEFA14A | Additional proxy material | Dec 9, 2020 | — |
| 8-K |
Current report
Other events
|
Nov 23, 2020 | Nov 23, 2020 |
| 10-Q | Quarterly report | Nov 2, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2020 | Nov 2, 2020 |
| DEFA14A | Additional proxy material | Oct 28, 2020 | — |
| DEF 14A | Proxy statement | Oct 28, 2020 | Dec 10, 2020 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Oct 7, 2020 | Oct 7, 2020 |
| 8-K |
Current report
Other events
|
Sep 21, 2020 | Sep 21, 2020 |
| 8-K |
Current report
Material agreement
|
Aug 31, 2020 | Aug 29, 2020 |
| 8-K |
Current report
Other events
|
Aug 12, 2020 | Aug 12, 2020 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2020 | Aug 5, 2020 |
| 10-Q | Quarterly report | Aug 5, 2020 | Jun 30, 2020 |
| 424B5 | Prospectus supplement | Jul 22, 2020 | — |
| 8-K |
Current report
Material agreement, Agreement ended, Results of operations
|
Jul 22, 2020 | Jul 22, 2020 |
| 424B5 | Prospectus supplement | Jul 14, 2020 | — |
| 8-K |
Current report
Material agreement, Results of operations
|
Jul 14, 2020 | Jul 14, 2020 |
| 424B5 | Prospectus supplement | Jul 2, 2020 | — |
| 8-K |
Current report
Material agreement, Results of operations
|
Jul 2, 2020 | Jul 2, 2020 |
| 424B5 | Prospectus supplement | Jun 3, 2020 | — |
| 8-K |
Current report
Material agreement
|
Jun 3, 2020 | Jun 1, 2020 |
| 8-K |
Current report
Unregistered share sale, Regulation FD disclosure, Other events
|
Jun 1, 2020 | Jun 1, 2020 |
| 8-K |
Current report
Other events
|
May 28, 2020 | May 28, 2020 |
| EFFECT | Filing | May 20, 2020 | — |
| CORRESP | Letter to the SEC | May 18, 2020 | — |
| UPLOAD | Letter from the SEC | May 14, 2020 | — |
| S-3 | Shelf registration | May 7, 2020 | — |
| 8-K |
Current report
Results of operations
|
May 6, 2020 | May 6, 2020 |
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
- 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)
Other Pharmaceutical Preparations companies
- ELI LILLY & Co LLY
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- Abbott Laboratories ABT
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.