Oruka Therapeutics, Inc. (ORKA) Insider Trading
Over the last 3 months, ORKA insiders made 0 open-market buys and 27 sales, a net sale of -$8.5M (SEC Form 4). Over the last 6 months, 126 institutions increased and 46 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
27
Net (3m)
-$8.5M
Insider trades by month Buys Sells
Dec
Jan
Feb
Mar
Apr
May
Context3-month price +63.5%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 22, 2026 | Dambkowski Carldirector | Sell | 13,235 | $59.97 |
| May 22, 2026 | Dambkowski Carldirector | Option | 38,689 | $6.84 |
| May 22, 2026 | Dambkowski Carldirector | Option | 11,904 | $7.80 |
| May 22, 2026 | Dambkowski Carldirector | Option | 11,667 | $11.77 |
| May 22, 2026 | Dambkowski Carldirector | Sell | 38,318 | $58.43 |
| May 22, 2026 | Dambkowski Carldirector | Sell | 53,447 | $59.10 |
| May 18, 2026 | Agarwal Arjunofficer: Senior Vice President, Finance | Option | 5,833 | $34.39 |
| May 18, 2026 | Agarwal Arjunofficer: Senior Vice President, Finance | Option | 2,000 | $12.50 |
| May 18, 2026 | Agarwal Arjunofficer: Senior Vice President, Finance | Sell | 700 | $61.16 |
| May 18, 2026 | Agarwal Arjunofficer: Senior Vice President, Finance | Sell | 800 | $60.34 |
| May 18, 2026 | Agarwal Arjunofficer: Senior Vice President, Finance | Sell | 4,600 | $59.19 |
| May 18, 2026 | Agarwal Arjunofficer: Senior Vice President, Finance | Sell | 4,190 | $58.34 |
| May 15, 2026 | Goncalves Joanaofficer: Chief Medical Officer | Option | 3,500 | $6.84 |
| May 15, 2026 | Goncalves Joanaofficer: Chief Medical Officer | Sell | 4,800 | $61.56 |
| May 15, 2026 | Goncalves Joanaofficer: Chief Medical Officer | Sell | 2,100 | $62.42 |
| May 15, 2026 | Goncalves Joanaofficer: Chief Medical Officer | Sell | 100 | $63.52 |
| May 1, 2026 | Sandler Laura Leeofficer: Chief Operating Officer | Sell | 1,800 | $64.15 |
| May 1, 2026 | Sandler Laura Leeofficer: Chief Operating Officer | Option | 5,000 | $7.80 |
| May 1, 2026 | Sandler Laura Leeofficer: Chief Operating Officer | Sell | 100 | $68.48 |
| May 1, 2026 | Sandler Laura Leeofficer: Chief Operating Officer | Sell | 2,200 | $62.58 |
| May 1, 2026 | Sandler Laura Leeofficer: Chief Operating Officer | Sell | 200 | $67.16 |
| May 1, 2026 | Sandler Laura Leeofficer: Chief Operating Officer | Sell | 400 | $66.06 |
| May 1, 2026 | Sandler Laura Leeofficer: Chief Operating Officer | Sell | 300 | $65.10 |
| Apr 15, 2026 | Goncalves Joanaofficer: Chief Medical Officer | Sell | 500 | $67.38 |
| Apr 15, 2026 | Goncalves Joanaofficer: Chief Medical Officer | Sell | 2,273 | $66.56 |
| Apr 15, 2026 | Goncalves Joanaofficer: Chief Medical Officer | Sell | 4,227 | $65.73 |
| Apr 15, 2026 | Goncalves Joanaofficer: Chief Medical Officer | Option | 3,500 | $6.84 |
| Mar 17, 2026 | Sandler Laura Leeofficer: Chief Operating Officer | Sell | 600 | $41.30 |
| Mar 17, 2026 | Agarwal Arjunofficer: Senior Vice President, Finance | Sell | 395 | $41.30 |
| Mar 17, 2026 | Klein Lawrence Ottodirector, officer: Chief Executive Officer | Sell | 1,729 | $41.30 |
Source: ORKA SEC Form 4 filings, latest May 22, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their ORKA positions over the last 6 months (SEC Form 13F).
Increased
126
New positions
105
Reduced
46
Sold out
28
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| FMR LLC | Increased | 7.4M | May 15, 2026 |
| FMR LLC | Increased | 7.3M | Feb 17, 2026 |
| VR ADVISER, LLC | Unchanged | 4.1M | Feb 17, 2026 |
| VR ADVISER, LLC | Unchanged | 4.1M | May 15, 2026 |
| FAIRMOUNT FUNDS MANAGEMENT LLC | Unchanged | 3.7M | Feb 17, 2026 |
| FAIRMOUNT FUNDS MANAGEMENT LLC | Unchanged | 3.7M | May 15, 2026 |
| BLACKROCK, INC. | Increased | 3.5M | Feb 12, 2026 |
| BLACKROCK, INC. | Reduced | 3.5M | May 13, 2026 |
| PERCEPTIVE ADVISORS LLC | Increased | 2.8M | May 29, 2026 |
| VIKING GLOBAL INVESTORS LP | Unchanged | 2.7M | Feb 17, 2026 |
| VIKING GLOBAL INVESTORS LP | Unchanged | 2.7M | May 15, 2026 |
| VANGUARD GROUP INC | Increased | 2.5M | Jan 29, 2026 |
| PARADIGM BIOCAPITAL ADVISORS LP | Increased | 2.3M | May 15, 2026 |
| DEEP TRACK CAPITAL, LP | Reduced | 2.2M | Feb 13, 2026 |
| RTW INVESTMENTS, LP | Unchanged | 2.1M | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.