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Oruka Therapeutics, Inc.

ORKA
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0000907654

In the last 90 days, Oruka Therapeutics, Inc. insiders filed 0 open-market purchases and 16 sales; 255 institutions reported holding it in 13F filings for Q2 2026, worth $7.05B in total; Viking Global Investors is the only superinvestor holding it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Oruka Therapeutics, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
16 filings
6 insiders, $319.8M in total
Insiders trading
6
Net value
−$319.8M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Oruka Therapeutics, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Oruka Therapeutics, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Agarwal ArjunSenior Vice President, Finance14,219Sep 21, 20269
Quinlan Paul TGeneral Counsel29,995Sep 21, 20266
Goncalves JoanaChief Medical Officer31,771Sep 15, 202611
Klein Lawrence OttoChief Executive Officer923,128Sep 15, 20265
Sandler Laura LeeChief Operating Officer235,478Sep 15, 20269
Edwards Larry ToddChief Commercial Officer100,000Aug 25, 20261
Harwin Peter EvanDirector, 10% Owner1,131,954IndirectJul 1, 20262
Fairmount Healthcare Fund II L.P.Director, 10% Owner1,131,954IndirectJul 1, 20262
Fairmount Funds Management LLCDirector, 10% Owner1,131,954IndirectJul 1, 20262
Kiselak TomasDirector, 10% Owner1,131,954IndirectJul 1, 20262
Fairmount Healthcare Co-Invest III L.P.Director, 10% Owner1,131,954IndirectJul 1, 20262
Dambkowski CarlDirector38,743Jun 12, 20264
Ball Kristine MDirector–Jun 3, 20261
Kulkarni SamarthDirector–Jun 3, 20261
Martin Christopher NathanDirector–Jun 3, 20262
Turtle CameronDirector–Jun 3, 20250
Koh Bong Y10% Owner4,148,428IndirectFeb 27, 20250
Shah Nimish P10% Owner4,148,428IndirectFeb 27, 20250
Venrock Healthcare Capital Partners III, L.P.10% Owner4,148,428IndirectFeb 27, 20250
VHCP Management III, LLC10% Owner4,148,428IndirectFeb 27, 20250
VHCP Co-Investment Holdings III, LLC10% Owner4,148,428IndirectFeb 27, 20250
Venrock Healthcare Capital Partners EG, L.P.10% Owner4,148,428IndirectFeb 27, 20250
VHCP Management EG, LLC10% Owner4,148,428IndirectFeb 27, 20250
Ma-Weaver JacobOther: See footnote 14,000,452Aug 30, 20240
Janus Henderson Group PLC10% Owner2,117,213IndirectAug 20, 20240
Janus Henderson Biotech Innovation Master Fund Ltd10% Owner2,117,213IndirectAug 20, 20240
Mitchell Daniel JDirector–Jan 31, 20240
Conway Robert EDirector, Other: Chairman of the Board–Jan 31, 20240
Hove Anders DDirector–Jan 31, 20240
Grais LindaDirector–Jan 31, 20240
Woosley Raymond L.Director–Jan 31, 20240
Flynn James PDirector–Jan 31, 20240
Funicular Funds, LP10% Owner, Other: See Footnote 14,000,452Dec 19, 20220
Keuer Thomas AChief Operating Officer40,730Dec 9, 20220
Dekker C. JeffreyChief Financial Officer40,000Dec 9, 20220
Funicular Fund, LPOther: See Footnote 12,580,452May 25, 20220
Bristow Michael RPres. & Chief Executive Offic–Dec 16, 20210
Ozeroff Christopher DavidS.V.P., General Counsel50,970Dec 16, 20210

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 21, 2026 (view filing)5:38 PM ETSep 21Same dayAgarwal ArjunSenior Vice President, FinanceSSale−533$95.75−$51.0K−3.6%14.2K after10b5-1
Sep 21, 2026 (view filing)4:57 PM ETSep 21Same dayQuinlan Paul TGeneral CounselSSale−10.0K$93.64−$936.4K−25.0%30.0K after4 lots10b5-1
Sep 15, 2026 (view filing)7:18 PM ETSep 15Same dayGoncalves JoanaChief Medical OfficerSSale−7.95K$92.38−$734.1K−20.0%31.8K after5 lots10b5-1
Sep 15, 2026 (view filing)7:17 PM ETSep 11-154 daysAgarwal ArjunSenior Vice President, FinanceSSale−10.0K$92.43−$926.0K−40.4%14.8K after5 lots10b5-1
Sep 15, 2026 (view filing)7:15 PM ETSep 15Same dayKlein Lawrence OttoChief Executive OfficerSSale−2.45K$95.71−$234.7K−0.3%923.1K after
Sep 15, 2026 (view filing)7:14 PM ETSep 15Same dayQuinlan Paul TGeneral CounselSSale−1.04K$95.71−$99.4K−3.3%30.0K after
Sep 15, 2026 (view filing)7:11 PM ETSep 15Same daySandler Laura LeeChief Operating OfficerSSale−906$95.71−$86.7K−0.4%235.5K after
Sep 1, 2026 (view filing)6:36 PM ETSep 1Same daySandler Laura LeeChief Operating OfficerSSale−5.00K$91.82−$459.1K−2.1%236.4K after2 lots10b5-1
Sep 1, 2026 (view filing)6:35 PM ETSep 1Same dayKlein Lawrence OttoChief Executive OfficerSSale−75.0K$91.83−$6.89M−7.5%925.6K after3 lots10b5-1
Aug 17, 2026 (view filing)6:09 PM ETAug 17Same dayGoncalves JoanaChief Medical OfficerSSale−7.00K$111.84−$782.9K−17.6%32.7K after4 lots10b5-1
Aug 14, 2026 (view filing)5:52 PM ETAug 14Same dayQuinlan Paul TGeneral CounselSSale−52.0K$108.49−$5.64M−62.6%31.0K after6 lots10b5-1
Aug 14, 2026 (view filing)5:42 PM ETAug 131 dayAgarwal ArjunSenior Vice President, FinanceSSale−10.0K$106.66−$1.07M−39.5%15.3K after5 lots10b5-1
Jul 15, 2026 (view filing)7:36 PM ETJul 15Same dayGoncalves JoanaChief Medical OfficerSSale−7.00K$86.28−$603.9K−17.6%32.7K after4 lots10b5-1
Jul 13, 2026 (view filing)5:09 PM ETJul 13Same dayAgarwal ArjunSenior Vice President, FinanceSSale−10.0K$84.63−$846.2K−39.5%15.3K after4 lots10b5-1
Jul 1, 2026 (view filing)9:30 PM ETJul 1Same dayHarwin Peter Evan and 4 othersDirector, 10% OwnerSSale−3.55M$84.43−$300.0M−75.8%1.13M after
Jul 1, 2026 (view filing)7:58 PM ETJul 1Same daySandler Laura LeeChief Operating OfficerSSale−5.00K$94.42−$472.1K−2.1%236.4K after3 lots10b5-1
Jun 22, 2026 (view filing)Jun 22Same dayAgarwal ArjunSenior Vice President, FinanceSSale−1.59K$80.95−$128.5K−9.4%15.3K after2 lots10b5-1
Jun 15, 2026 (view filing)Jun 12-153 daysAgarwal ArjunSenior Vice President, FinanceSSale−9.85K$69.72−$687.0K−36.8%16.9K after4 lots10b5-1
Jun 15, 2026 (view filing)Jun 15Same dayGoncalves JoanaChief Medical OfficerSSale−7.95K$69.28−$550.6K−19.5%32.7K after4 lots10b5-1
Jun 15, 2026 (view filing)Jun 15Same dayKlein Lawrence OttoChief Executive OfficerSSale−1.73K$69.69−$120.5K−0.2%925.6K after
Jun 15, 2026 (view filing)Jun 15Same daySandler Laura LeeChief Operating OfficerSSale−600$69.69−$41.8K−0.3%236.4K after
Jun 15, 2026 (view filing)Jun 15Same dayQuinlan Paul TGeneral CounselSSale−733$69.69−$51.1K−2.3%31.0K after
Jun 12, 2026 (view filing)Jun 11-121 dayDambkowski CarlDirectorSSale−35.0K$70.12−$2.45M−47.5%38.7K after2 lots10b5-1
May 22, 2026 (view filing)May 211 dayDambkowski CarlDirectorSSale−105.0K$58.97−$6.19M−58.7%73.7K after3 lots10b5-1
May 18, 2026 (view filing)May 18Same dayAgarwal ArjunSenior Vice President, FinanceSSale−10.3K$59.07−$607.8K−38.5%16.4K after4 lots10b5-1
May 15, 2026 (view filing)May 15Same dayGoncalves JoanaChief Medical OfficerSSale−7.00K$61.85−$432.9K−17.3%33.4K after3 lots10b5-1
May 1, 2026 (view filing)May 1Same daySandler Laura LeeChief Operating OfficerSSale−5.00K$63.88−$319.4K−2.1%237.0K after6 lots10b5-1
Apr 15, 2026 (view filing)Apr 15Same dayGoncalves JoanaChief Medical OfficerSSale−7.00K$66.12−$462.8K−17.3%33.4K after3 lots10b5-1
Mar 17, 2026 (view filing)Mar 161 dayKlein Lawrence OttoChief Executive OfficerSSale−1.73K$41.30−$71.4K−0.2%927.3K after
Mar 17, 2026 (view filing)Mar 161 dayAgarwal ArjunSenior Vice President, FinanceSSale−395$41.30−$16.3K−2.1%18.9K after
Mar 17, 2026 (view filing)Mar 161 daySandler Laura LeeChief Operating OfficerSSale−600$41.30−$24.8K−0.3%237.0K after
Mar 17, 2026 (view filing)Mar 161 dayGoncalves JoanaChief Medical OfficerSSale−7.64K$40.91−$312.6K−18.6%33.4K after4 lots10b5-1
Mar 17, 2026 (view filing)Mar 161 dayQuinlan Paul TGeneral CounselSSale−733$41.30−$30.3K−2.3%31.8K after
Mar 2, 2026 (view filing)Mar 2Same daySandler Laura LeeChief Operating OfficerSSale−5.00K$33.56−$167.8K−2.1%237.6K after2 lots10b5-1
Feb 17, 2026 (view filing)Feb 17Same dayGoncalves JoanaChief Medical OfficerSSale−7.00K$32.36−$226.5K−17.1%34.0K after2 lots10b5-1
Jan 16, 2026 (view filing)Jan 151 dayGoncalves JoanaChief Medical OfficerSSale−7.00K$31.81−$222.7K−82.2%1.52K after2 lots10b5-1
Jan 2, 2026 (view filing)Jan 2Same daySandler Laura LeeChief Operating OfficerSSale−13.0K$28.52−$370.8K−6.0%205.1K after3 lots10b5-1
Dec 19, 2025 (view filing)Dec 19Same dayGoncalves JoanaChief Medical OfficerSSale−7.00K$30.61−$214.3K−82.2%1.52K after4 lots10b5-1
Feb 27, 2025 (view filing)6:42 PM ETFeb 10-1417 daysLateKoh Bong Y and 6 others10% OwnerPPurchase+122.9K$11.45+$1.41M+3.1%4.15M after5 lots
Aug 20, 2024 (view filing)2:23 PM ETAug 164 daysJanus Henderson Group PLC and 1 other10% OwnerPPurchase+5.82K$2.93+$17.1K+0.3%2.12M after2 lots
Jul 26, 2024 (view filing)10:50 AM ETJul 24-252 daysJanus Henderson Group PLC and 1 other10% OwnerPPurchase+220.1K$3.18+$699.2K+11.6%2.11M after4 lots
Jul 12, 2024 (view filing)7:38 PM ETJul 3-119 daysLateJanus Henderson Group PLC and 1 other10% OwnerPPurchase+408.8K$3.49+$1.43M+27.6%1.89M after9 lots
May 25, 2022 (view filing)5:12 PM ETMay 23-252 daysFunicular Fund, LP and 1 otherOther: See Footnote 1PPurchase+85.3K$2.32+$197.4K+3.4%2.58M after3 lots
May 20, 2022 (view filing)6:01 PM ETMay 18-192 daysFunicular Fund, LP and 1 otherOther: See Footnote 1PPurchase+13.1K$2.30+$30.1K+0.5%2.50M after2 lots
May 16, 2022 (view filing)7:31 PM ETMay 12-164 daysFunicular Fund, LP and 1 otherOther: See Footnote 1PPurchase+84.8K$2.29+$194.1K+3.5%2.48M after3 lots
May 11, 2022 (view filing)6:38 PM ETMay 10-111 dayFunicular Fund, LP and 1 otherOther: See Footnote 1PPurchase+45.6K$2.28+$104.1K+1.9%2.40M after2 lots
May 9, 2022 (view filing)5:44 PM ETMay 5-94 daysFunicular Fund, LP and 1 otherOther: See Footnote 1PPurchase+124.1K$2.28+$282.6K+5.6%2.35M after3 lots
May 2, 2022 (view filing)7:03 PM ETApr 28-May 24 daysFunicular Fund, LP and 1 otherOther: See Footnote 1PPurchase+33.6K$2.31+$77.7K+1.5%2.23M after3 lots
Apr 27, 2022 (view filing)6:33 PM ETApr 252 daysFunicular Fund, LP and 1 otherOther: See Footnote 1PPurchase+13.8K$2.29+$31.5K+0.6%2.19M after
Apr 27, 2022 (view filing)6:33 PM ETApr 252 daysFunicular Fund, LP and 1 otherOther: See Footnote 1SSale−1.45M$0.331−$480.0K–14.5K afterDerivative