Form4insider filings, from the source

Company · CIK 0000907654 · SIC 2834 — Pharmaceutical Preparations · Nasdaq

Oruka Therapeutics, Inc. · ORKA

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $119k · 3sales $332.9M · 68net −$332.8M
$100k$100k$10M$10M$1B$1BbuyssalesJan 2015Dec 2016Nov 2018Nov 2020Oct 2022Oct 2024Sep 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 21, 2026 SForm 4 →Sep 21, 5:38 pm EDTArjun AgarwalSenior Vice President, Finance533$95.75$51,03514,219−3.61%10b5-1
Sep 21, 2026 SForm 4 →Sep 21, 4:57 pm EDTPaul T QuinlanGeneral Counsel10,000$93.64$936,41729,995−25.0%10b5-1
Sep 21, 2026 MForm 4 →Sep 21, 4:57 pm EDTPaul T QuinlanGeneral Counsel10,000$7.80$78,00039,995—10b5-1
Sep 15, 2026 SForm 4 →Sep 15, 7:18 pm EDTJoana GoncalvesChief Medical Officer7,947$92.38$734,14531,771−20.0%10b5-1
Sep 15, 2026 MForm 4 →Sep 15, 7:18 pm EDTJoana GoncalvesChief Medical Officer7,000$7.32$51,24039,718—10b5-1
Sep 15, 2026 SForm 4 →Sep 15, 7:15 pm EDTLawrence Otto KleinChief Executive Officer, Director2,452$95.71$234,681923,128−0.26%
Sep 15, 2026 SForm 4 →Sep 15, 7:14 pm EDTPaul T QuinlanGeneral Counsel1,039$95.71$99,44329,995−3.35%
Sep 15, 2026 SForm 4 →Sep 15, 7:11 pm EDTLaura Lee SandlerChief Operating Officer906$95.71$86,713235,478−0.38%
Sep 11, 2026 SForm 4 →Sep 15, 7:17 pm EDTArjun AgarwalSenior Vice President, Finance10,019$92.43$926,01014,752−40.4%10b5-1
Sep 11, 2026 MForm 4 →Sep 15, 7:17 pm EDTArjun AgarwalSenior Vice President, Finance9,459$15.88$150,17524,771—10b5-1
Sep 1, 2026 SForm 4 →Sep 1, 6:36 pm EDTLaura Lee SandlerChief Operating Officer5,000$91.82$459,101236,384−2.07%10b5-1
Sep 1, 2026 MForm 4 →Sep 1, 6:36 pm EDTLaura Lee SandlerChief Operating Officer5,000$7.80$39,000241,384—10b5-1
Sep 1, 2026 SForm 4 →Sep 1, 6:35 pm EDTLawrence Otto KleinChief Executive Officer, Director75,000$91.83$6,887,484925,580−7.50%10b5-1
Sep 1, 2026 MForm 4 →Sep 1, 6:35 pm EDTLawrence Otto KleinChief Executive Officer, Director75,000$7.80$585,0001,000,580—10b5-1
Aug 24, 2026 AForm 4 →Aug 25, 4:25 pm EDTLarry Todd EdwardsChief Commercial Officer100,000——100,000—
Aug 17, 2026 SForm 4 →Aug 17, 6:09 pm EDTJoana GoncalvesChief Medical Officer7,000$111.84$782,88232,718−17.6%10b5-1
Aug 17, 2026 MForm 4 →Aug 17, 6:09 pm EDTJoana GoncalvesChief Medical Officer7,000$7.32$51,24039,718—10b5-1
Aug 14, 2026 SForm 4 →Aug 14, 5:52 pm EDTPaul T QuinlanGeneral Counsel52,000$108.49$5,641,40931,034−62.6%10b5-1
Aug 14, 2026 MForm 4 →Aug 14, 5:52 pm EDTPaul T QuinlanGeneral Counsel52,000$11.60$603,00083,034—10b5-1
Aug 13, 2026 SForm 4 →Aug 14, 5:42 pm EDTArjun AgarwalSenior Vice President, Finance10,000$106.66$1,066,57215,312−39.5%10b5-1
Aug 13, 2026 MForm 4 →Aug 14, 5:42 pm EDTArjun AgarwalSenior Vice President, Finance10,000$15.69$156,91625,312—10b5-1
Jul 15, 2026 SForm 4 →Jul 15, 7:36 pm EDTJoana GoncalvesChief Medical Officer7,000$86.28$603,93832,718−17.6%10b5-1
Jul 15, 2026 MForm 4 →Jul 15, 7:36 pm EDTJoana GoncalvesChief Medical Officer7,000$7.32$51,24039,718—10b5-1
Jul 13, 2026 SForm 4 →Jul 13, 5:09 pm EDTArjun AgarwalSenior Vice President, Finance9,999$84.63$846,18015,312−39.5%10b5-1
Jul 13, 2026 MForm 4 →Jul 13, 5:09 pm EDTArjun AgarwalSenior Vice President, Finance9,999$15.69$156,90325,311—10b5-1
Jul 1, 2026 SForm 4 →Jul 1, 9:30 pm EDTFairmount Funds Management LLC +4Director, 10% Owner3,553,410$84.43$300,014,4061,131,954−75.8%
Jul 1, 2026 CForm 4 →Jul 1, 9:30 pm EDTFairmount Funds Management LLC +4Director, 10% Owner3,553,410——4,685,364—
Jul 1, 2026 SForm 4 →Jul 1, 7:58 pm EDTLaura Lee SandlerChief Operating Officer5,000$94.42$472,079236,384−2.07%10b5-1
Jul 1, 2026 MForm 4 →Jul 1, 7:58 pm EDTLaura Lee SandlerChief Operating Officer5,000$7.80$39,000241,384—10b5-1
Jun 22, 2026 SForm 4 →Jun 22, 7:59 pm EDTArjun AgarwalSenior Vice President, Finance1,587$80.95$128,46815,312−9.39%10b5-1
Jun 15, 2026 SForm 4 →Jun 15, 6:54 pm EDTJoana GoncalvesChief Medical Officer7,947$69.28$550,60732,718−19.5%10b5-1
Jun 15, 2026 MForm 4 →Jun 15, 6:54 pm EDTJoana GoncalvesChief Medical Officer7,000$7.32$51,24040,665—10b5-1
Jun 15, 2026 SForm 4 →Jun 15, 6:52 pm EDTLawrence Otto KleinChief Executive Officer, Director1,729$69.69$120,494925,580−0.19%
Jun 15, 2026 SForm 4 →Jun 15, 6:51 pm EDTLaura Lee SandlerChief Operating Officer600$69.69$41,814236,384−0.25%
Jun 15, 2026 SForm 4 →Jun 15, 6:50 pm EDTPaul T QuinlanGeneral Counsel733$69.69$51,08331,034−2.31%
Jun 12, 2026 SForm 4 →Jun 15, 6:57 pm EDTArjun AgarwalSenior Vice President, Finance9,854$69.72$687,03516,899−36.8%10b5-1
Jun 12, 2026 MForm 4 →Jun 15, 6:57 pm EDTArjun AgarwalSenior Vice President, Finance9,459$15.88$150,17526,753—10b5-1
Jun 11, 2026 SForm 4 →Jun 12, 4:36 pm EDTCarl DambkowskiDirector35,000$70.13$2,454,38238,743−47.5%10b5-1
Apr 3, 2018 SForm 4 →Apr 3, 5:01 pm EDTThomas A KeuerChief Operating Officer482$0.5015$24213,153−3.54% plan?
Apr 2, 2018 SForm 4 →Apr 3, 5:00 pm EDTBrian L. SelbyVP, Finance1,114$0.4994$5560−100% plan?
Feb 28, 2018 SForm 4 →Mar 1, 5:01 pm ESTThomas A KeuerChief Operating Officer410$0.718$29413,635−2.92% plan?
Feb 27, 2018 SForm 4 →Mar 1, 5:00 pm ESTBrian L. SelbyVP, Finance161$0.53$851,114−12.6% plan?
Feb 26, 2018 SForm 4 →Feb 28, 4:09 pm ESTVENROCK HEALTHCARE CAPITAL PARTNERS LP +710% Owner1,541,331$0.5495$846,9050−100% plan?
Feb 26, 2018 SForm 4 →Feb 27, 4:38 pm ESTRavi Viswanathan10% Owner1,460,209$0.5008$731,2730−100% plan?
Feb 26, 2018 SForm 4 →Feb 27, 4:38 pm ESTPeter W. Sonsini10% Owner1,460,209$0.5008$731,2730−100% plan?
Feb 26, 2018 SForm 4 →Feb 27, 4:37 pm ESTScott D Sandell10% Owner1,460,209$0.5008$731,2730−100% plan?
Feb 26, 2018 SForm 4 →Feb 27, 4:37 pm ESTJon Sakoda10% Owner1,460,209$0.5008$731,2730−100% plan?
Feb 26, 2018 SForm 4 →Feb 27, 4:36 pm ESTDavid M Mott10% Owner1,460,209$0.5008$731,2730−100% plan?
Feb 26, 2018 SForm 4 →Feb 27, 4:36 pm ESTJoshua Makower10% Owner1,460,209$0.5008$731,2730−100% plan?
Feb 26, 2018 SForm 4 →Feb 27, 4:36 pm ESTAnthony A. Florence Jr.10% Owner1,460,209$0.5008$731,2730−100% plan?
Feb 26, 2018 SForm 4 →Feb 27, 4:35 pm ESTForest Baskett10% Owner1,460,209$0.5008$731,2730−100% plan?
Feb 26, 2018 SForm 4 →Feb 27, 4:35 pm ESTPeter J Barris10% Owner1,460,209$0.5008$731,2730−100% plan?
Feb 26, 2018 SForm 4 →Feb 27, 4:34 pm ESTGrowth Equity Opportunities IV, LLC +310% Owner1,460,209$0.5008$731,2730−100% plan?
Jul 14, 2017 PForm 4 →Jul 17, 4:08 pm EDTRobert E ConwayDirector10,000$2.49$24,90035,000+40.0% plan?
May 2, 2017 PForm 4 →May 3, 4:08 pm EDTDaniel J MitchellDirector11,000$2.71$29,81011,000— plan?
Apr 4, 2017 SForm 4 →Apr 5, 4:15 pm EDTChristopher David OzeroffS.V.P., General Counsel418$2.41$1,00717,517−2.33% plan?
Apr 4, 2017 SForm 4 →Apr 5, 4:14 pm EDTThomas A KeuerChief Operating Officer390$2.41$94014,045−2.70% plan?
Apr 4, 2017 SForm 4 →Apr 5, 4:14 pm EDTMichael R BristowPres. & Chief Executive Offic, Director720$2.41$1,73541,155−1.72% plan?
Apr 3, 2017 SForm 4 →Apr 5, 4:15 pm EDTBrian L. SelbyVP, Finance1,114$2.46$2,7401,275−46.6% plan?
Mar 24, 2017 PForm 4 →Mar 27, 4:06 pm EDTRobert E ConwayDirector25,000$2.59$64,75025,000— plan?
Feb 28, 2017 SForm 4 →Mar 1, 5:11 pm ESTChristopher David OzeroffS.V.P., General Counsel465$2.61$1,21417,935−2.53% plan?
Feb 28, 2017 SForm 4 →Mar 1, 5:11 pm ESTThomas A KeuerChief Operating Officer465$2.61$1,21414,435−3.12% plan?
Feb 28, 2017 SForm 4 →Mar 1, 5:10 pm ESTMichael R BristowPres. & Chief Executive Offic, Director763$2.61$1,99141,875−1.79% plan?
Feb 27, 2017 SForm 4 →Mar 1, 5:12 pm ESTBrian L. SelbyVP, Finance161$2.56$4122,389−6.31% plan?
Oct 18, 2016 SForm 4 →Oct 18, 4:30 pm EDTThomas A KeuerChief Operating Officer483$2.45$1,18414,900−3.14% plan?
Sep 20, 2016 SForm 4 →Sep 21, 4:09 pm EDTMichael R BristowPres. & Chief Executive Offic, Director1,972$2.89$5,69942,638−4.42% plan?
Sep 20, 2016 SForm 4 →Sep 21, 4:08 pm EDTThomas A KeuerChief Operating Officer714$2.89$2,06315,383−4.44% plan?
Sep 20, 2016 SForm 4 →Sep 21, 4:07 pm EDTChristopher David OzeroffS.V.P., General Counsel1,185$2.89$3,42518,400−6.05% plan?
Sep 19, 2016 SForm 4 →Sep 21, 4:06 pm EDTBrian L. SelbyVP, Finance476$2.91$1,3852,550−15.7% plan?
Apr 5, 2016 SForm 4 →Apr 6, 5:02 pm EDTMichael R BristowSee Remarks, Director724$3.52$2,54844,610−1.60% plan?
Apr 5, 2016 SForm 4 →Apr 6, 5:01 pm EDTChristopher David OzeroffS.V.P., General Counsel366$3.52$1,28819,585−1.83% plan?
Apr 5, 2016 SForm 4 →Apr 6, 5:01 pm EDTThomas A KeuerChief Operating Officer384$3.52$1,35216,097−2.33% plan?
Apr 4, 2016 SForm 4 →Apr 6, 5:00 pm EDTBrian L. SelbyVP, Finance1,114$3.52$3,9213,026−26.9% plan?
Mar 1, 2016 SForm 4 →Mar 2, 4:33 pm ESTThomas A KeuerChief Operating Officer457$3.53$1,61316,481−2.70% plan?
Mar 1, 2016 SForm 4 →Mar 2, 4:31 pm ESTChristopher David OzeroffS.V.P., General Counsel458$3.51$1,60819,951−2.24% plan?
Mar 1, 2016 SForm 4 →Mar 2, 4:31 pm ESTMichael R BristowSee Remarks, Director752$3.50$2,63245,334−1.63% plan?
Feb 29, 2016 SForm 4 →Mar 2, 4:31 pm ESTBrian L. SelbyVP, Finance160$3.46$5544,140−3.72% plan?
Oct 16, 2015 SForm 4 →Oct 19, 5:15 pm EDTThomas A KeuerChief Operating Officer496$5.14$2,54916,938−2.85% plan?
Sep 18, 2015 SForm 4 →Sep 21, 5:00 pm EDTMichael R BristowSee Remarks, Director1,809$6.33$11,45146,086−3.78% plan?
Sep 18, 2015 SForm 4 →Sep 21, 4:58 pm EDTBrian L. SelbyVP, Finance476$6.23$2,9654,300−9.97% plan?
Sep 18, 2015 SForm 4 →Sep 21, 4:57 pm EDTChristopher David OzeroffS.V.P., General Counsel1,129$6.32$7,13520,409−5.24% plan?
Sep 18, 2015 SForm 4 →Sep 21, 4:57 pm EDTThomas A KeuerChief Operating Officer680$6.33$4,30417,407−3.76% plan?
Mar 2, 2015 SForm 4 →Mar 2, 4:50 pm ESTMichael R BristowSee Remarks, Director5,446$0.7131$3,884335,279−1.60% plan?
Mar 2, 2015 SForm 4 →Mar 2, 4:47 pm ESTBrian L. SelbyVP, Finance1,125$0.711$80033,441−3.25% plan?
Feb 12, 2015 AForm 4 →Feb 17, 6:21 pm ESTThomas A KeuerChief Operating Officer25,350——126,626— plan?
Feb 12, 2015 AForm 4 →Feb 17, 6:14 pm ESTChristopher David OzeroffS.V.P., General Counsel24,050——150,787— plan?
Feb 12, 2015 AForm 4 →Feb 17, 6:10 pm ESTMichael R BristowPresident and CEO, Director48,100——340,725— plan?
Feb 12, 2015 AForm 4 →Feb 17, 6:08 pm ESTBrian L. SelbyVP, Finance23,400——34,566— plan?
Jan 14, 2015 SForm 4 →Jan 16, 4:29 pm ESTriley mccormack10% Owner350,000$0.7643$267,5002,100,000−14.3% plan?
Jan 5, 2015 SForm 4 →Jan 7, 5:44 pm ESTriley mccormack10% Owner550,000$0.9155$503,5002,450,000−18.3% plan?

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 21, 2026 MForm 4 →Sep 21, 4:57 pm EDTPaul T QuinlanGeneral Counsel10,000——79,996—10b5-1
Sep 15, 2026 MForm 4 →Sep 15, 7:18 pm EDTJoana GoncalvesChief Medical Officer7,000——164,992—10b5-1
Sep 11, 2026 MForm 4 →Sep 15, 7:17 pm EDTArjun AgarwalSenior Vice President, Finance9,459——58,333—10b5-1
Sep 1, 2026 MForm 4 →Sep 1, 6:36 pm EDTLaura Lee SandlerChief Operating Officer5,000——74,996—10b5-1
Sep 1, 2026 MForm 4 →Sep 1, 6:35 pm EDTLawrence Otto KleinChief Executive Officer, Director75,000——1,553,513—10b5-1
Aug 24, 2026 AForm 4 →Aug 25, 4:25 pm EDTLarry Todd EdwardsChief Commercial Officer20,000——20,000—
Aug 17, 2026 MForm 4 →Aug 17, 6:09 pm EDTJoana GoncalvesChief Medical Officer7,000——168,492—10b5-1
Aug 14, 2026 MForm 4 →Aug 14, 5:52 pm EDTPaul T QuinlanGeneral Counsel52,000——120,500—10b5-1
Aug 13, 2026 MForm 4 →Aug 14, 5:42 pm EDTArjun AgarwalSenior Vice President, Finance10,000——59,792—10b5-1
Jul 15, 2026 MForm 4 →Jul 15, 7:36 pm EDTJoana GoncalvesChief Medical Officer7,000——171,992—10b5-1
Jul 13, 2026 MForm 4 →Jul 13, 5:09 pm EDTArjun AgarwalSenior Vice President, Finance9,999——61,250—10b5-1
Jul 1, 2026 CForm 4 →Jul 1, 9:30 pm EDTFairmount Funds Management LLC +4Director, 10% Owner42,641——94,497—
Jul 1, 2026 MForm 4 →Jul 1, 7:58 pm EDTLaura Lee SandlerChief Operating Officer5,000——79,996—10b5-1
Jun 15, 2026 MForm 4 →Jun 15, 6:54 pm EDTJoana GoncalvesChief Medical Officer7,000——175,492—10b5-1
Jun 12, 2026 MForm 4 →Jun 15, 6:57 pm EDTArjun AgarwalSenior Vice President, Finance9,459——62,708—10b5-1
Jun 2, 2026 AForm 4 →Jun 3, 4:52 pm EDTCarl DambkowskiDirector9,136——9,136—
Jun 2, 2026 AForm 4 →Jun 3, 4:50 pm EDTSamarth KulkarniDirector9,136——9,136—
Jun 2, 2026 AForm 4 →Jun 3, 4:49 pm EDTChristopher Nathan MartinDirector9,136——9,136—
Jun 2, 2026 AForm 4 →Jun 3, 4:48 pm EDTKristine M BallDirector9,136——9,136—
Jun 2, 2026 AForm 4 →Jun 3, 4:45 pm EDTFairmount Funds Management LLC +4Director, 10% Owner9,136——9,136—
Mar 1, 2018 AForm 4 →Mar 5, 5:35 pm ESTRobert E ConwayDirector8,000——8,000—
Mar 1, 2018 AForm 4 →Mar 5, 5:34 pm ESTRaymond L. WoosleyDirector8,000——8,000—
Mar 1, 2018 AForm 4 →Mar 5, 5:34 pm ESTLinda S GraisDirector8,000——8,000—
Mar 1, 2018 AForm 4 →Mar 5, 5:33 pm ESTDaniel J MitchellDirector8,000——8,000—
Mar 1, 2018 AForm 4 →Mar 5, 5:32 pm ESTAnders D HoveDirector8,000——8,000—
Feb 27, 2017 AForm 4 →Mar 1, 5:12 pm ESTBrian L. SelbyVP, Finance24,100——24,100—
Feb 27, 2017 AForm 4 →Mar 1, 5:11 pm ESTChristopher David OzeroffS.V.P., General Counsel22,700——22,700—
Feb 27, 2017 AForm 4 →Mar 1, 5:11 pm ESTThomas A KeuerChief Operating Officer23,800——23,800—
Feb 27, 2017 AForm 4 →Mar 1, 5:10 pm ESTMichael R BristowPres. & Chief Executive Offic, Director41,600——41,600—
Feb 16, 2017 AForm 4 →Feb 21, 5:24 pm ESTLinda S GraisDirector8,000——8,000—
Feb 16, 2017 AForm 4 →Feb 21, 4:53 pm ESTDaniel J MitchellDirector8,000——8,000—
Feb 16, 2017 AForm 4 →Feb 21, 4:52 pm ESTBrian L. SelbyVP, Finance23,000——23,000—
Feb 16, 2017 AForm 4 →Feb 21, 4:50 pm ESTChristopher David OzeroffS.V.P., General Counsel24,000——24,000—
Feb 16, 2017 AForm 4 →Feb 21, 4:49 pm ESTRobert E ConwayDirector8,000——8,000—
Feb 16, 2017 AForm 4 →Feb 21, 4:49 pm ESTMichael R BristowPres. & Chief Executive Offic, Director42,000——42,000—
Feb 16, 2017 AForm 4 →Feb 21, 4:48 pm ESTRaymond L. WoosleyDirector8,000——8,000—
Feb 16, 2017 AForm 4 →Feb 21, 4:47 pm ESTAnders D HoveDirector10,000——10,000—
Feb 16, 2017 AForm 4 →Feb 21, 4:46 pm ESTThomas A KeuerChief Operating Officer25,200——25,200—
Jun 9, 2016 AForm 4 →Jun 13, 5:26 pm EDTMichael R BristowPres. & Chief Executive Offic, Director82,600——55,400—
Jun 9, 2016 AForm 4 →Jun 13, 5:25 pm EDTThomas A KeuerChief Operating Officer47,300——31,700—
Jun 9, 2016 AForm 4 →Jun 13, 5:24 pm EDTChristopher David OzeroffS.V.P., General Counsel45,000——30,200—
Jun 9, 2016 AForm 4 →Jun 13, 5:23 pm EDTBrian L. SelbyVP, Finance47,900——32,100—
Feb 11, 2016 AForm 4 →Feb 16, 4:47 pm ESTLinda S GraisDirector8,000——8,000—
Feb 11, 2016 AForm 4 →Feb 16, 4:45 pm ESTRaymond L. WoosleyDirector8,000——8,000—
Feb 11, 2016 AForm 4 →Feb 16, 4:45 pm ESTDaniel J MitchellDirector8,000——8,000—
Feb 11, 2016 AForm 4 →Feb 16, 4:45 pm ESTRobert E ConwayDirector8,000——8,000—
Feb 12, 2015 AForm 4 →Feb 17, 6:21 pm ESTThomas A KeuerChief Operating Officer13,650——13,650—
Feb 12, 2015 AForm 4 →Feb 17, 6:18 pm ESTRobert E ConwayDirector8,000——8,000—
Feb 12, 2015 AForm 4 →Feb 17, 6:14 pm ESTChristopher David OzeroffS.V.P., General Counsel12,950——12,950—
Feb 12, 2015 AForm 4 →Feb 17, 6:11 pm ESTRaymond L. WoosleyDirector8,000——8,000—
Feb 12, 2015 AForm 4 →Feb 17, 6:10 pm ESTMichael R BristowPresident and CEO, Director25,900——25,900—
Feb 12, 2015 AForm 4 →Feb 17, 6:08 pm ESTBrian L. SelbyVP, Finance12,600——12,600—
Feb 12, 2015 AForm 4 →Feb 17, 6:08 pm ESTLinda S GraisDirector8,000——8,000—
Feb 12, 2015 AForm 4 →Feb 17, 6:03 pm ESTDaniel J MitchellDirector8,000——8,000—