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ORKANasdaqPharmaceutical PreparationsFiscal year ends December 31

Oruka Therapeutics, Inc.

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 10, 2026
$74.48+2.55 (+3.55%)

Close on Oct 19, 2026

Market cap
–
P/E (TTM)
–
Dividend yield
–

About Oruka Therapeutics

Pharmaceutical Preparations, SIC 2834

Oruka Therapeutics, Inc. is a clinical-stage biopharmaceutical company focused on developing novel monoclonal antibody therapies for chronic skin and inflammatory conditions. Its development pipeline targets validated biological pathways to treat diseases such as psoriasis, psoriatic arthritis, and hidradenitis suppurativa. The company's lead investigational drug candidates include ORKA-001, an extended half-life antibody targeting interleukin-23p19, and ORKA-002, an extended half-life antibody targeting interleukin-17A and interleukin-17F. These therapeutics are designed to serve patients suffering from autoimmune and inflammatory disorders.

The company operates in the biotechnology and pharmaceutical sector with ongoing clinical-stage trials, including studies conducted in human patients and healthy volunteers. Oruka Therapeutics, Inc. maintains its principal executive offices and corporate headquarters in Menlo Park, California.

Summary of the business section of Oruka Therapeutics's latest annual report, written by StockData.

Company profile

Company

Legal name
Oruka Therapeutics, Inc.
Founded
2024
Headquarters
Menlo Park, CA
Address
855 Oak Grove Ave., Suite 100 94025
Phone
(650) 606-7910
Employees
68, Dec 31, 2025
Industry
Pharmaceutical Preparations
Incorporated in
Delaware
Fiscal year ends
December 31
Auditor
PricewaterhouseCoopers LLP, Boston, Massachusetts

Stock & identifiers

Ticker
ORKA
Exchange
Nasdaq
IPO date
Aug 11, 1997
Shares outstanding
66M, Jul 31, 2026
Public float
$371.50M, Jun 30, 2025
Filer category
Non-accelerated filer<br>Smaller reporting company
Stock splits
1-for-12 reverse, Sep 3, 2024; 1-for-18 reverse, May 8, 2019; 1-for-18 reverse, Apr 4, 2019; 1-for-7 reverse, Sep 30, 2015; 1-for-7 reverse, Sep 4, 2015; 1-for-6 reverse, Mar 5, 2013; 1-for-6 reverse, Dec 31, 2012; 1-for-20 reverse, Jan 28, 2009; 1-for-3 reverse, Feb 23, 2004
SEC CIK
907654
CUSIP
687604108
ISIN
US6876041087
LEI
529900TG7O4ESUDMGI54
EIN
36-3855489

Executives and directors

Officers and directors who filed ownership reports (Forms 3, 4, 5) in the last two years

NamePositionShares owned
Lawrence Otto KleinChief Executive Officer, Director923,128
Paul T. QuinlanGeneral Counsel33,263
Arjun AgarwalSenior Vice President, Finance14,219
Joana GoncalvesChief Medical Officer32,718
Laura Lee SandlerChief Operating Officer235,478
Larry Todd EdwardsChief Commercial Officer100,000
Healthcare Co-Invest III L.P. FairmountDirector–
Healthcare Fund II L.P. FairmountDirector–
Tomas KiselakDirector7,258,672
Funds Management LLC FairmountDirector–
Peter Evan HarwinDirector2,936,922
Carl DambkowskiDirector38,743
Christopher Nathan MartinDirector–
Samarth KulkarniDirector–
Kristine M. BallDirector–
Cameron TurtleDirector85,233

CEO pay and shareholder return

Pay versus performance table from the proxy statement

Fiscal yearCEO total payCEO pay actually paidOther executives (avg)Value of $100 investedPeer group
FY2025
Dr Klein
$3.36M$16.02M$2.34M$107–
FY2024
Dr Bristow
$510.42K$518.02K$461.68K$100–
FY2024
Dr Klein
$520.91K$44.70M$461.68K$100–
FY2024
Mr Bristow
$510.42K–$461.68K$100–
FY2024
Mr Keuer
$853.52K$848.45K$461.68K$100–
FY2023
Dr Bristow
$358.80K$290.86K$361.94K$72–

“Actually paid” adjusts reported pay for changes in the value of equity awards. Shareholder return assumes $100 invested at the start of the measurement period, as disclosed by the company.

Employees

Headcount reported in annual reports

“we had 68 full-time employees of which 51 employees were in research and development and the remaining 17 employees worked in”

Corporate history

Events identified from SEC filings

DateEventDetails
Sep 5, 2024Acquisition / saleCompletion of acquisition or disposition of assets (8-K Item 2.01)
Sep 5, 2024Auditor changeChange in certifying accountant (8-K Item 4.01)
Aug 30, 2024Name changeName changed from ARCA biopharma, Inc. to Oruka Therapeutics, Inc.
May 14, 2024MergerRegistration of securities for a merger or exchange offer (S-4)
Apr 22, 2019Listing noticeNotice of delisting or failure to satisfy a listing rule (8-K Item 3.01)
Oct 9, 2018Listing noticeNotice of delisting or failure to satisfy a listing rule (8-K Item 3.01)
Apr 16, 2018Listing noticeNotice of delisting or failure to satisfy a listing rule (8-K Item 3.01)
Jul 16, 2015Listing noticeNotice of delisting or failure to satisfy a listing rule (8-K Item 3.01)
Feb 23, 2015Listing noticeNotice of delisting or failure to satisfy a listing rule (8-K Item 3.01)
May 9, 2013Listing noticeNotice of delisting or failure to satisfy a listing rule (8-K Item 3.01)
Mar 25, 2013Listing noticeNotice of delisting or failure to satisfy a listing rule (8-K Item 3.01)
Oct 16, 2012Listing noticeNotice of delisting or failure to satisfy a listing rule (8-K Item 3.01)
Apr 16, 2012Listing noticeNotice of delisting or failure to satisfy a listing rule (8-K Item 3.01)
Nov 23, 2010Listing noticeNotice of delisting or failure to satisfy a listing rule (8-K Item 3.01)
Mar 17, 2010Listing noticeNotice of delisting or failure to satisfy a listing rule (8-K Item 3.01)
Mar 30, 2009Auditor changeChange in certifying accountant (8-K Item 4.01)
Jan 28, 2009Acquisition / saleCompletion of acquisition or disposition of assets (8-K Item 2.01)
Jan 27, 2009Name changeName changed from NUVELO INC to ARCA biopharma, Inc.
Oct 30, 2008MergerRegistration of securities for a merger or exchange offer (S-4)
Oct 28, 2008Listing noticeNotice of delisting or failure to satisfy a listing rule (8-K Item 3.01)
May 2, 2008Listing noticeNotice of delisting or failure to satisfy a listing rule (8-K Item 3.01)
Sep 20, 2006Auditor changeChange in certifying accountant (8-K Item 4.01)
Feb 16, 2005Listing noticeNotice of delisting or failure to satisfy a listing rule (8-K Item 3.01)
Dec 9, 2004Acquisition / saleCompletion of acquisition or disposition of assets (8-K Item 2.01)
Jan 28, 2003Name changeName changed from HYSEQ INC to NUVELO INC
Nov 27, 2002MergerRegistration of securities for a merger or exchange offer (S-4)
Aug 11, 1997IPOInitial public offering priced (424B4 prospectus)