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
8-K Current report
Officer or director change
 Aug 24, 2026 Aug 24, 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
8-K Current report
Results of operations, Other events
 Apr 30, 2026 Apr 27, 2026
8-K Current report
Regulation FD disclosure, Other events
 Apr 27, 2026 Apr 27, 2026
8-K Current report
Officer or director change
 Dec 11, 2025 Dec 11, 2025
8-K Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
 Sep 22, 2025 Sep 17, 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
8-K Current report
Material agreement
 Feb 5, 2025 Feb 4, 2025
8-K Current report
Material agreement
 Dec 19, 2024 Dec 17, 2024
8-K Current report
Shareholder vote results
 Nov 18, 2024 Nov 14, 2024
8-K Current report
Other events
 Nov 14, 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
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
8-K Current report
Other events
 Aug 16, 2024 Aug 16, 2024
8-K Current report
Material agreement
 Aug 15, 2024 Aug 14, 2024
8-K Current report
Results of operations
 Aug 1, 2024 Aug 1, 2024
8-K Current report
Material agreement
 Jul 9, 2024 Jul 3, 2024
8-K Current report
Results of operations
 Apr 25, 2024 Apr 25, 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
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
8-K Current report
Officer or director change, Shareholder vote results
 Jan 31, 2024 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
8-K Current report
Results of operations
 Jul 21, 2023 Jul 21, 2023
8-K Current report
Results of operations
 Apr 24, 2023 Apr 24, 2023
8-K Current report
Results of operations
 Feb 24, 2023 Feb 24, 2023
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
8-K Current report
Results of operations
 Oct 28, 2022 Oct 28, 2022
8-K Current report Oct 20, 2022 Oct 20, 2022
8-K Current report
Results of operations
 Aug 2, 2022 Aug 2, 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
8-K Current report
Other events
 Apr 18, 2022 Apr 18, 2022
8-K Current report
Other events
 Mar 31, 2022 Mar 31, 2022
8-K Current report
Results of operations
 Mar 14, 2022 Mar 14, 2022
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
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
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
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
8-K Current report
Officer or director change
 May 3, 2021 May 3, 2021
8-K Current report
Material agreement
 Apr 6, 2021 Apr 2, 2021
8-K Current report
Results of operations
 Mar 18, 2021 Mar 18, 2021
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
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
8-K Current report
Other events
 Nov 23, 2020 Nov 23, 2020
8-K Current report
Results of operations
 Nov 2, 2020 Nov 2, 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
8-K Current report
Material agreement, Agreement ended, Results of operations
 Jul 22, 2020 Jul 22, 2020
8-K Current report
Material agreement, Results of operations
 Jul 14, 2020 Jul 14, 2020
8-K Current report
Material agreement, Results of operations
 Jul 2, 2020 Jul 2, 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
8-K Current report
Results of operations
 May 6, 2020 May 6, 2020
8-K Current report
Material agreement
 Mar 4, 2020 Mar 3, 2020
8-K Current report
Results of operations, Other events
 Feb 18, 2020 Feb 18, 2020
8-K Current report
Shareholder vote results
 Dec 11, 2019 Dec 10, 2019
8-K Current report
Results of operations, Other events
 Nov 6, 2019 Nov 6, 2019
8-K Current report Oct 11, 2019 Oct 10, 2019
8-K Current report
Results of operations
 Aug 1, 2019 Aug 1, 2019
8-K Current report
Material agreement, Results of operations
 Jun 28, 2019 Jun 28, 2019
8-K Current report
Material agreement, Results of operations
 May 20, 2019 May 20, 2019
8-K Current report
Material agreement
 May 9, 2019 May 9, 2019
8-K Current report
Results of operations, Other events
 May 8, 2019 May 8, 2019
8-K Current report
Listing notice
 Apr 22, 2019 Apr 18, 2019
8-K Current report
Other events
 Apr 5, 2019 Apr 5, 2019
8-K Current report
Bylaw or fiscal year change
 Apr 3, 2019 Apr 3, 2019
8-K Current report
Other events
 Mar 20, 2019 Mar 20, 2019
8-K Current report
Material agreement
 Mar 11, 2019 Mar 11, 2019
8-K Current report
Results of operations
 Feb 27, 2019 Feb 27, 2019
8-K Current report
Results of operations, Other events
 Feb 20, 2019 Feb 20, 2019
8-K Current report
Material agreement, Other events
 Jan 25, 2019 Jan 25, 2019
8-K Current report
Other events
 Dec 20, 2018 Dec 20, 2018
8-K Current report
Results of operations
 Nov 14, 2018 Nov 14, 2018
8-K Current report
Shareholder vote results
 Oct 18, 2018 Oct 18, 2018
8-K Current report
Listing notice
 Oct 9, 2018 Oct 9, 2018
8-K Current report
Other events
 Sep 18, 2018 Sep 18, 2018
8-K Current report
Results of operations
 Aug 9, 2018 Aug 9, 2018
8-K Current report
Other events
 Jul 31, 2018 Jul 31, 2018
8-K Current report
Shareholder vote results
 Jun 5, 2018 May 31, 2018
8-K Current report
Other events
 May 29, 2018 May 27, 2018
8-K Current report
Results of operations
 May 8, 2018 May 8, 2018
8-K Current report
Material agreement
 Apr 23, 2018 Apr 17, 2018
8-K Current report
Listing notice
 Apr 16, 2018 Apr 11, 2018
8-K Current report
Results of operations
 Mar 22, 2018 Mar 22, 2018
8-K Current report
Officer or director change
 Mar 5, 2018 Mar 1, 2018
8-K Current report
Results of operations, Other events
 Feb 26, 2018 Feb 26, 2018
8-K Current report
Other events
 Jan 8, 2018 Jan 8, 2018
8-K Current report
Other events
 Nov 16, 2017 Nov 16, 2017
8-K Current report
Results of operations
 Nov 9, 2017 Nov 9, 2017
8-K Current report
Material agreement, Other events
 Aug 21, 2017 Aug 21, 2017
8-K Current report
Other events
 Aug 16, 2017 Aug 16, 2017
8-K Current report
Other events
 Aug 9, 2017 Aug 9, 2017
8-K Current report
Results of operations
 Aug 3, 2017 Aug 3, 2017
8-K Current report
Other events
 Jun 20, 2017 Jun 20, 2017
8-K Current report
Shareholder vote results
 Jun 5, 2017 Jun 1, 2017
8-K Current report
Results of operations
 May 15, 2017 May 15, 2017
8-K Current report
Other events
 Apr 26, 2017 Apr 26, 2017
8-K Current report
Results of operations
 Mar 21, 2017 Mar 21, 2017
8-K Current report
Other events
 Mar 6, 2017 Mar 6, 2017
8-K Current report
Officer or director change
 Mar 1, 2017 Feb 27, 2017
8-K Current report
Officer or director change
 Feb 21, 2017 Feb 16, 2017
8-K Current report
Other events
 Jan 18, 2017 Jan 18, 2017
8-K Current report
Material agreement
 Jan 11, 2017 Jan 11, 2017
8-K Current report
Results of operations
 Nov 14, 2016 Nov 14, 2016
8-K Current report
Other events
 Oct 6, 2016 Oct 6, 2016
8-K Current report
Other events
 Aug 18, 2016 Aug 18, 2016
8-K Current report
Results of operations
 Aug 9, 2016 Aug 9, 2016
8-K Current report
Officer or director change, Shareholder vote results
 Jun 13, 2016 Jun 9, 2016
8-K Current report
Results of operations
 May 11, 2016 May 11, 2016
8-K Current report
Other events
 Apr 18, 2016 Apr 18, 2016
8-K Current report
Results of operations
 Mar 17, 2016 Mar 17, 2016
8-K Current report
Material agreement
 Mar 7, 2016 Mar 2, 2016
8-K Current report
Officer or director change
 Feb 16, 2016 Feb 11, 2016
8-K Current report
Other events
 Jan 12, 2016 Jan 12, 2016
8-K Current report
Results of operations
 Nov 12, 2015 Nov 12, 2015
8-K Current report
Other events
 Sep 9, 2015 Sep 9, 2015
8-K Current report
Bylaw or fiscal year change
 Sep 3, 2015 Sep 3, 2015
8-K Current report
Results of operations
 Aug 11, 2015 Aug 11, 2015
8-K Current report
Listing notice
 Jul 16, 2015 Jul 15, 2015
8-K Current report
Shareholder vote results
 Jun 23, 2015 Jun 22, 2015
8-K/A Amended current report Jun 11, 2015 Jun 10, 2015
8-K Current report
Material agreement, Unregistered share sale
 Jun 11, 2015 Jun 10, 2015
8-K Current report
Other events
 Jun 5, 2015 Jun 4, 2015
8-K Current report
Other events
 Apr 13, 2015 Apr 10, 2015
8-K Current report
Other events
 Mar 16, 2015 Mar 16, 2015
8-K Current report
Listing notice
 Feb 23, 2015 Feb 18, 2015
8-K Current report
Officer or director change
 Feb 17, 2015 Feb 12, 2015
8-K Current report
Other events
 Feb 4, 2015 Feb 4, 2015
8-K/A Amended current report
Officer or director change
 Dec 30, 2014 Dec 1, 2014
8-K Current report
Other events
 Dec 11, 2014 Dec 11, 2014
8-K Current report
Other events
 Dec 10, 2014 Dec 10, 2014
8-K Current report
Officer or director change
 Dec 1, 2014 Dec 1, 2014
8-K Current report
Other events
 Aug 18, 2014 Aug 18, 2014
8-K Current report
Shareholder vote results, Other events
 Jun 9, 2014 Jun 5, 2014
8-K Current report
Officer or director change
 Mar 3, 2014 Feb 27, 2014
8-K Current report
Officer or director change
 Feb 18, 2014 Feb 11, 2014
8-K Current report
Officer or director change
 Feb 12, 2014 Feb 11, 2014
8-K/A Amended current report
Shareholder vote results
 Feb 10, 2014 Sep 17, 2013
8-K Current report
Material agreement
 Feb 4, 2014 Feb 3, 2014
8-K Current report
Other events
 Jan 8, 2014 Jan 7, 2014
8-K Current report
Other events
 Dec 5, 2013 Dec 4, 2013
8-K Current report
Officer or director change
 Nov 21, 2013 Nov 19, 2013
8-K Current report
Material agreement
 Nov 6, 2013 Nov 5, 2013
8-K Current report
Other events
 Oct 29, 2013 Oct 29, 2013
8-K Current report
Officer or director change, Shareholder vote results
 Sep 23, 2013 Sep 17, 2013
8-K Current report
Officer or director change
 Sep 4, 2013 Sep 3, 2013
8-K Current report
Material agreement
 Aug 6, 2013 Aug 1, 2013
8-K Current report
Officer or director change
 Jul 30, 2013 Jul 26, 2013
8-K Current report
Other events
 Jul 25, 2013 Jul 22, 2013
8-K Current report
Other events
 Jul 18, 2013 Jul 17, 2013
8-K Current report
Regulation FD disclosure
 Jul 1, 2013 Jun 28, 2013
8-K Current report
Officer or director change
 Jun 18, 2013 Jun 13, 2013
8-K Current report
Other events
 Jun 6, 2013 Jun 6, 2013
8-K Current report
Material agreement, Unregistered share sale
 May 30, 2013 May 29, 2013
8-K/A Amended current report
Listing notice
 May 9, 2013 May 2, 2013
8-K Current report
Officer or director change
 May 6, 2013 May 2, 2013
8-K Current report
Regulation FD disclosure
 Apr 23, 2013 Apr 23, 2013
8-K Current report
Material agreement
 Apr 22, 2013 Apr 18, 2013
8-K Current report
Listing notice
 Mar 25, 2013 Mar 21, 2013
8-K Current report
Bylaw or fiscal year change
 Mar 5, 2013 Mar 4, 2013
8-K Current report
Shareholder vote results
 Feb 28, 2013 Feb 25, 2013
8-K Current report
Other events
 Feb 6, 2013 Feb 6, 2013
8-K Current report
Material agreement
 Feb 1, 2013 Jan 31, 2013
8-K Current report
Other events
 Jan 30, 2013 Jan 29, 2013
8-K Current report
Material agreement, Unregistered share sale
 Jan 23, 2013 Jan 22, 2013
8-K Current report
Other events
 Jan 3, 2013 Jan 3, 2013
8-K Current report
Material agreement, Unregistered share sale
 Dec 19, 2012 Dec 18, 2012

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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.