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Oruka Therapeutics, Inc.

For the period ended Dec 31, 2025. Filed Mar 12, 2026.

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About this filing

A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Mar 12, 2026

ORKA$109.50+4.7%Stored close · as of Nov 10, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Contents

Item 15. Exhibits, Financial Statement Schedules

(1)Financial Statements

See Index to Financial Statements included in Part II, Item 8 of this Annual Report.

(2)Financial Statement Schedules

All schedules are omitted because they are not applicable or the required information is shown in the financial statements or notes thereto.

(3)List of Exhibits required by Item 601 of Regulation S-K
Exhibit · Incorporation By Reference
NumberDescriptionFormExhibit No.Filing Date
2.1†Agreement and Plan of Merger and Reorganization, dated as of April 3, 2024, by and among ARCA biopharma, Inc., Atlas Merger Sub Corp., Atlas Merger Sub II, LLC and Oruka Therapeutics, Inc.8-K2.14/3/2024
3.1Second Amended and Restated Certificate of Incorporation8-K3.59/5/2024
3.2Amended and Restated Bylaws8-K3.69/5/2024
3.3Form of Certificate of Designation of Preferences, Rights and Limitations of Series A Convertible Preferred StockS-1/A3.1(b)5/24/2013
3.4Certificate of Elimination of Series A Convertible Preferred Stock, dated August 29, 20248-K3.89/5/2024
3.5Certificate of Designation of Preferences, Rights and Limitations of Series B Non-Voting Convertible Preferred Stock8-K3.99/5/2024
3.6Certificate of Designation of Preferences, Rights and Limitations of Series A Non-Voting Convertible Preferred Stock8-K3.19/13/2024
4.1Description of Securities10-K4.13/6/2025
4.2Form of Pre-Funded Warrant, dated August 29, 202410-K4.33/6/2025
4.3Form of Pre-Funded Warrant, dated September 13, 20248-K4.19/13/2024
4.4Form of Pre-Funded Warrant, dated September 17, 20258-K4.19/22/2025
4.5Paruka Warrant, dated December 31, 202410-Q4.55/14/2025
4.6*Paruka Warrant, dated December 12, 2025Filed herewith
10.1#Oruka Therapeutics, Inc. 2024 Stock Incentive Plan8-K10.109/5/2024
10.2#Oruka Therapeutics, Inc. 2024 Employee Stock Purchase Plan8-K10.119/5/2024
10.3#Amended and Restated 2024 Equity Incentive PlanS-410.405/14/2024
10.4#Second Amendment to the Oruka Therapeutics, Inc. Amended and Restated 2024 Equity Incentive Plan8-K10.139/5/2024
10.5#Form of Employee Warrant Agreement8-K10.169/5/2024
10.6#Form of Grant Notice for Nonqualified Stock Option and Standard Terms and Conditions for Stock Options (Directors)S-899.211/14/2024
10.7#Form of Grant Notice for Stock Option and Standard Terms and Conditions for Stock Options (Employees)S-899.311/14/2024
10.8#Form of Stock Option Agreement under the Oruka Therapeutics, Inc. Amended and Restated 2024 Equity Incentive PlanS-410.425/14/2024
10.9*Form of Grant Notice for Restricted Stock Unit Award and Standard Terms and Conditions for Restricted Stock UnitsFiled herewith
10.10#Amended and Restated Director Offer Letter, dated March 22, 2024, by and between Oruka Therapeutics, Inc. and Samarth KulkarniS-410.435/14/2024
10.11#Director Offer Letter, dated April 24, 2024, by and between Oruka Therapeutics, Inc. and Kristine BallS-410.445/14/2024
10.12#Director Offer Letter, dated December 1, 2025, by and between Oruka Therapeutics, Inc. and Chris Martin8-K10.112/11/2025
10.13#Amended and Restated Employment Letter Agreement by and between Oruka Therapeutics, Inc. and Lawrence Klein, dated October 3, 20248-K10.110/4/2024
10.14#Amended and Restated Employment Letter Agreement by and between Oruka Therapeutics, Inc. and Arjun Agarwal, dated October 3, 20248-K10.210/4/2024
10.15#Amended and Restated Employment Letter Agreement by and between Oruka Therapeutics, Inc. and Paul Quinlan, dated October 1, 202410-K10.173/6/2025
10.16#Amended and Restated Employment Letter Agreement by and between Oruka Therapeutics, Inc. and Joana Goncalves, dated October 1, 202410-K10.183/6/2025
10.17#Amended and Restated Employment Letter Agreement by and between Oruka Therapeutics, Inc. and Laura Sandler, dated July 1, 20258-K10.17/1/2025
10.18#Form of Indemnification Agreement10-K10.193/6/2025
10.19Non-Employee Directors Compensation Program10-K10.203/6/2025
10.20Form of Amendment to Subscription Agreement8-K10.17/9/2024
10.21Form of Amended & Restated Subscription Agreement8-K10.27/9/2024
10.22Form of Registration Rights Agreement, dated August 29, 202410-Q10.411/13/2024
10.23†Securities Purchase Agreement by and between Oruka Therapeutics, Inc. and each of the entities listed on Exhibit A thereto, dated September 11, 20248-K10.19/13/2024
10.24Form of Registration Rights Agreement, dated as of September 13, 20248-K10.29/13/2024
10.25†Securities Purchase Agreement by and between Oruka Therapeutics, Inc. and each of the entities listed on Exhibit A thereto, dated September 17, 20258-K10.19/22/2025
10.26Form of Registration Rights Agreement, dated as of September 17, 20258-K10.29/22/2025
10.27†Amended and Restated Antibody Discovery and Option Agreement (IL-17) by and among Paragon Therapeutics, Inc., Paruka Holding, LLC, and Oruka Therapeutics, Inc. dated March 28, 2024S-4/A10.506/18/2024
10.28†IL-17 License Agreement by and between Paragon Therapeutics, Inc. and Oruka Therapeutics, Inc., dated February 4, 202510-K10.293/6/2025
10.29†Amended and Restated Antibody Discovery and Option Agreement (IL-23) by and among Paragon Therapeutics, Inc., Paruka Holding, LLC, and Oruka Therapeutics, Inc. dated March 28, 2024S-4/A10.516/18/2024
10.30†IL-23 License Agreement by and between Paragon Therapeutics, Inc. and Oruka Therapeutics, Inc., dated December 17, 202410-K10.313/6/2025
10.31†Cell Line License Agreement by and between WuXi Biologics Ireland Limited and Oruka Therapeutics, Inc., dated March 4, 202410-K10.323/6/2025
10.32†Amendment No. 1 to the Cell Line License Agreement by and between WuXi Biologics Ireland Limited and Oruka Therapeutics, Inc., dated November 20, 202410-K10.333/6/2025
10.33Sales Agreement between Oruka Therapeutics, Inc. and TD Securities (USA) LLC, dated October 3, 2025S-31.210/3/2025
14.1Code of Business Conduct and Ethics8-K14.19/5/2024
16.1Letter from KPMG LLP, dated September 5, 20248-K16.19/5/2024
19.1Insider Trading Policy10-K19.13/6/2025
21.1*List of subsidiaries of the RegistrantFiled herewith
23.1*Consent of Independent Registered Public Accounting FirmFiled herewith
24.1*Power of Attorney (Incorporated by reference to the signature page of this Annual Report on Form 10-K)Filed herewith
31.1* · Certification of the Principal Executive Officer pursuant to Rule 13a-14(a) or 15d-14(a) promulgated under the Securities Exchange Act of 1934 · Filed herewith
31.2* · Certification of the Principal Financial Officer pursuant to Rule 13a-14(a) or 15d-14(a) promulgated under the Securities Exchange Act of 1934 · Filed herewith
32.1** · Certification of the Principal Executive Officer and Principal Financial Officer pursuant to 18 U.S.C. Section 1350 and Rule 13a-14(B) promulgated under the Securities Exchange Act of 1934 · Furnished herewith
97.1*Incentive Compensation Clawback Policy10-K97.13/6/2025
101.INS*Inline XBRL Instance DocumentFiled herewith
101.SCH*Inline XBRL Taxonomy Extension Schema with Embedded Linkbases DocumentFiled herewith
101.CAL*Inline XBRL Taxonomy Extension Calculation Linkbase Document.Filed herewith
101.DEF*Inline XBRL Taxonomy Extension Definition Linkbase Document.Filed herewith
101.LAB*Inline XBRL Taxonomy Extension Label Linkbase Document.Filed herewith
101.PRE*Inline XBRL Taxonomy Extension Presentation Linkbase Document.Filed herewith
104Cover Page Interactive Data File (embedded within the Inline XBRL document)
*Filed herewith.
**Furnished herewith. The certifications on Exhibit 32.1 hereto are deemed not “filed” for purposes of Section 18 of the Exchange Act or otherwise subject to the liability of that Section. Such certifications will not be deemed incorporated by reference into any filing under the Securities Act or the Exchange Act.
#Indicates management contract or compensatory plan.
†Exhibits and/or schedules have been omitted pursuant to Item 601(a)(5) of Regulation S-K. The Company hereby undertakes to furnish supplementally copies of any of the omitted exhibits and schedules upon request by the SEC; provided, however, that the Company may request confidential treatment pursuant to Rule 24b-2 under the Exchange Act for any exhibits or schedules so furnished. Certain portions of this exhibit (indicated by “***”) have been omitted because they are both (i) not material and (ii) is the type of information that the registrant both customarily and actually treats as private and confidential.
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