Fairmount Funds Management LLC - Sep 17, 2025 Form 4 Insider Report for Oruka Therapeutics, Inc. (ORKA)

Role
Director, 10%+ Owner
Signature
/s/ Tomas Kiselak, Managing Member of Fairmount Funds Management LLC
Stock symbol
ORKA
Transactions as of
Sep 17, 2025
Transactions value $
$5,000,100
Form type
4
Date filed
9/19/2025, 05:33 PM
Previous filing
Jul 14, 2025
SEC
View on sec.gov

Reporting Owners (5)

Name Relationship Address Signature Signature date CIK
Fairmount Funds Management LLC Director, 10%+ Owner 200 BARR HARBOR DRIVE, SUITE 400, WEST CONSHOHOCKEN /s/ Tomas Kiselak, Managing Member of Fairmount Funds Management LLC 2025-09-19 0001802528
Fairmount Healthcare Fund II L.P. Director, 10%+ Owner 200 BARR HARBOR DRIVE, SUITE 400, WEST CONSHOHOCKEN /s/ Tomas Kiselak, Managing Member of Fairmount Healthcare Fund II, L.P. 2025-09-19 0001769651
Fairmount Healthcare Co-Invest III L.P. Director, 10%+ Owner 200 BARR HARBOR DRIVE, SUITE 400, WEST CONSHOHOCKEN /s/ Tomas Kiselak, Managing Member of Fairmount Healthcare Co-Invest III, L.P. 2025-09-19 0002009690
Kiselak Tomas Director, 10%+ Owner 200 BARR HARBOR DRIVE, SUITE 400, WEST CONSHOHOCKEN /s/ Tomas Kiselak 2025-09-19 0001830177
Harwin Peter Evan Director, 10%+ Owner 200 BARR HARBOR DRIVE, SUITE 400, WEST CONSHOHOCKEN /s/ Peter Harwin 2025-09-19 0001663607

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ORKA Common Stock Award $5M +333K +41.74% $15.00 1.13M Sep 17, 2025 By Fairmount Healthcare Fund II L.P. F1, F2
holding ORKA Common Stock 2.57M Sep 17, 2025 By Fairmount Healthcare Co-Invest III L.P. F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The shares of Common Stock were purchased from the Issuer in a private placement, which transaction is exempt from Section 16(b) in accordance with Rule 16b-3(d)(1) promulgated under the Securities Exchange Act of 1934, as amended.
F2 Fairmount Funds Management LLC ("Fairmount") is the investment manager for Fairmount Healthcare Fund II L.P. and Fairmount Healthcare Co-Invest III L.P. The managers of Fairmount are Peter Harwin and Tomas Kiselak. Fairmount, Mr. Harwin, and Mr. Kiselak disclaim beneficial ownership of any of the reported securities, except to the extent of their pecuniary interest therein.

Remarks:

Fairmount may be deemed a director by deputization of Issuer by virtue of the fact that Peter Harwin serves on the board of directors of the Issuer and is also a Managing Member of Fairmount.