🕵️ Oruka Therapeutics, Inc. ($ORKA)

SEC insider & ownership activity, last 12 months · CIK 907654 · every row links its SEC filing

Over the last 12 months insiders sold $315.6M with no open-market buying against it. Fairmount Funds Management LLC sold $300.0M in discretionary trades (Jul). Harwin Peter Evan trimmed 20.0% → 19.5%; Fairmount Funds Management LLC trimmed 20.0% → 19.5%. No red-flag 8-Ks in the window.

Aug 2025: net +$0 Sep 2025: net +$0 Oct 2025: net +$0 Nov 2025: net +$0 Dec 2025: net -$214K Jan 2026: net -$593K Mar 2026: net -$623K Mar 2026: net -$623K Apr 2026: net -$463K May 2026: net -$7.6M Jun 2026: net -$4.0M Jul 2026: net -$301.9M
Monthly net open-market insider flow, last 12 months (up = net buying)

Insider flow

0 buyers, $0 (0 lots) · 7 sellers, $315.6M (67 lots)

InsiderBuysBoughtSellsSoldLast
Fairmount Funds Management LLC0 1$300.0MJul 1, 2026
Dambkowski Carl0 5$8.6MJun 12, 2026
Goncalves Joana0 26$3.0MJul 15, 2026
Agarwal Arjun0 15$2.3MJul 13, 2026
Sandler Laura Lee0 16$1.4MJul 1, 2026
Klein Lawrence Otto0 2$192KJun 15, 2026
Paul T. Quinlan0 2$81KJun 15, 2026

5%+ holders

HolderStakeClassScheduleEvent
Harwin Peter Evan 19.5% 13DJul 1, 2026 filing ↗
Fairmount Funds Management LLC 19.5% 13DJul 1, 2026 filing ↗
Kiselak Tomas 19.5% 13DJul 1, 2026 filing ↗
Fairmount Healthcare Fund II L.P. 16.0% 13DJul 1, 2026 filing ↗
Bong Y Koh 11.1% 13GFeb 27, 2025 filing ↗
Venrock Healthcare Capital Partners III, L.P. 9.9% 13GNov 14, 2025 filing ↗
VHCP Co-Investment Holdings III, LLC 9.9% 13GNov 14, 2025 filing ↗
Venrock Healthcare Capital Partners EG, L.P. 9.9% 13GNov 14, 2025 filing ↗
VHCP Management III, LLC 9.9% 13GNov 14, 2025 filing ↗
VHCP Management EG, LLC 9.9% 13GNov 14, 2025 filing ↗
Nimish Shah 9.9% 13GNov 14, 2025 filing ↗
Bong Y. Koh 9.9% 13GNov 14, 2025 filing ↗
Blackrock, Inc. 6.6% 13GJan 21, 2026 filing ↗
David C. Ott 5.5% 13GSep 24, 2025 filing ↗
Viking Global Investors LP 5.3% 13GMay 15, 2026 filing ↗
Viking Global Opportunities Parent GP LLC 5.3% 13GMay 15, 2026 filing ↗
Halvorsen Ole Andreas 5.3% 13GMay 15, 2026 filing ↗
Shabet Rose Sharon 5.3% 13GMay 15, 2026 filing ↗
Roderick WONG, M.D. 5.2% 13GMay 15, 2025 filing ↗
Fairmount Healthcare Co-Invest III L.P. exited 13DJul 1, 2026 filing ↗

Planned insider sales (Form 144)

SellerPlannedApprox. sale date
Joana Goncalves$1.8MJul 15, 2026 filing ↗
Arjun Agarwal$2.5MJul 13, 2026 filing ↗
Fairmount Healthcare Fund II L.P.$300.0MJul 1, 2026 filing ↗
Carl Dambkowski$2.2MJun 11, 2026 filing ↗
Carl Dambkowski$6.4MMay 21, 2026 filing ↗
Arjun Agarwal$1.4MMay 18, 2026 filing ↗
Laura Sandler$684KMay 1, 2026 filing ↗
Joana Goncalves$1.4MApr 15, 2026 filing ↗
Laura Sandler$546KJan 2, 2026 filing ↗
Joana Goncalves$788KDec 19, 2025 filing ↗

Material events (8-K)

ItemEvent date
Shareholder vote (5.07)Jun 2, 2026 filing ↗
Other events (8.01)May 29, 2026 filing ↗
Financial Statements and Exhibits (9.01)May 29, 2026 filing ↗
Earnings (2.02)Apr 27, 2026 filing ↗
Other events (8.01)Apr 27, 2026 filing ↗
Financial Statements and Exhibits (9.01)Apr 27, 2026 filing ↗
Reg FD disclosure (7.01)Apr 27, 2026 filing ↗
Other events (8.01)Apr 27, 2026 filing ↗
Financial Statements and Exhibits (9.01)Apr 27, 2026 filing ↗
Officer/director changes (5.02)Dec 11, 2025 filing ↗
Financial Statements and Exhibits (9.01)Dec 11, 2025 filing ↗
Material agreement (1.01)Sep 17, 2025 filing ↗
Unregistered equity sale (3.02)Sep 17, 2025 filing ↗
Reg FD disclosure (7.01)Sep 17, 2025 filing ↗
Financial Statements and Exhibits (9.01)Sep 17, 2025 filing ↗