As of May 14, 2026, the three largest insider holders of ORKA are Healthcare Capital Partners Iii, L.P. Venrock (TenPercentOwner, 4.15Mn shares), Healthcare Capital Partners Iii, L.P. Venrock (TenPercentOwner, 4.15Mn shares), Healthcare Capital Partners Iii, L.P. Venrock (TenPercentOwner, 4.15Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Healthcare Capital Partners Iii, L.P. Venrock | - | 0 | 4,148,428 | 27 Feb, 2025 |
| Healthcare Capital Partners Iii, L.P. Venrock | - | 0 | 4,148,428 | 27 Feb, 2025 |
| Healthcare Capital Partners Iii, L.P. Venrock | - | 0 | 4,148,428 | 27 Feb, 2025 |
| Funds, Lp Funicular | - | 4,000,452 | 0 | 19 Dec, 2022 |
| Funds, Lp Funicular | - | 4,000,452 | 0 | 19 Dec, 2022 |
| Fund, Lp Funicular | - | 2,580,452 | 0 | 25 May, 2022 |
| Fund, Lp Funicular | - | 2,580,452 | 0 | 25 May, 2022 |
| Funds, Lp Funicular | - | 0 | 2,580,452 | 08 Jul, 2022 |
| Funds, Lp Funicular | - | 0 | 2,580,452 | 08 Jul, 2022 |
| Henderson Group Plc Janus | - | 0 | 2,117,213 | 20 Aug, 2024 |
| Funds Management Llc Fairmount | - | 0 | 1,131,954 | 19 Sep, 2025 |
| Lawrence Otto Klein | Chief Executive Officer | 927,309 | 0 | 17 Mar, 2026 |
| Laura Lee Sandler | Chief Operating Officer | 236,984 | 0 | 17 Mar, 2026 |
| Laura Lee Sandler | Chief Operating Officer | 236,984 | 0 | 17 Mar, 2026 |
| Carl Dambkowski | - | 116,483 | 0 | 23 Jan, 2026 |
| Christopher David Ozeroff | S.V.P., General Counsel | 50,970 | 0 | 23 Nov, 2021 |
| Christopher David Ozeroff | S.V.P., General Counsel | 50,970 | 0 | 23 Nov, 2021 |
| Thomas A Keuer | Chief Operating Officer | 40,730 | 0 | 09 Dec, 2022 |
| Thomas A Keuer | Chief Operating Officer | 40,730 | 0 | 09 Dec, 2022 |
| C. Jeffrey Dekker | Chief Financial Officer | 40,000 | 0 | 09 Dec, 2022 |
| Joana Goncalves | Chief Medical Officer | 33,377 | 0 | 15 Apr, 2026 |
| Paul T Quinlan | General Counsel | 31,767 | 0 | 17 Mar, 2026 |
| Paul T Quinlan | General Counsel | 31,767 | 0 | 17 Mar, 2026 |
| Arjun Agarwal | Senior Vice President, Finance | 18,863 | 0 | 17 Mar, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 15 Apr, 2026 | Joana Goncalves | Common Stock | A | 3,500 | $6.84 | 36,877 | D | M |
| 15 Apr, 2026 | Joana Goncalves | Common Stock | A | 3,500 | $7.80 | 40,377 | D | M |
| 15 Apr, 2026 | Joana Goncalves | Common Stock | D | 4,227 | $65.73 | 36,150 | D | S |
| 15 Apr, 2026 | Joana Goncalves | Common Stock | D | 2,273 | $66.56 | 33,877 | D | S |
| 15 Apr, 2026 | Joana Goncalves | Common Stock | D | 500 | $67.38 | 33,377 | D | S |
| 15 Apr, 2026 | Joana Goncalves | Employee Stock Option (right to buy) | D | 3,500 | $0.00 | 211,063 | D | M |
| 15 Apr, 2026 | Joana Goncalves | Employee Warrant (right to buy) | D | 3,500 | $0.00 | 182,492 | D | M |
| 16 Mar, 2026 | Paul T Quinlan | Common Stock | D | 733 | $41.30 | 31,767 | D | S |
| 16 Mar, 2026 | Laura Lee Sandler | Common Stock | D | 600 | $41.30 | 236,984 | D | S |
| 16 Mar, 2026 | Lawrence Otto Klein | Common Stock | D | 1,729 | $41.30 | 927,309 | D | S |
| 16 Mar, 2026 | Laura Lee Sandler | Common Stock | D | 600 | $41.30 | 236,984 | D | S |
| 16 Mar, 2026 | Joana Goncalves | Common Stock | A | 3,500 | $6.84 | 37,518 | D | M |
| 16 Mar, 2026 | Arjun Agarwal | Common Stock | D | 395 | $41.30 | 18,863 | D | S |
| 16 Mar, 2026 | Paul T Quinlan | Common Stock | D | 733 | $41.30 | 31,767 | D | S |
| 16 Mar, 2026 | Joana Goncalves | Common Stock | A | 3,500 | $7.80 | 41,018 | D | M |
| 16 Mar, 2026 | Joana Goncalves | Common Stock | D | 2,921 | $40.11 | 38,097 | D | S |
| 16 Mar, 2026 | Joana Goncalves | Common Stock | D | 2,902 | $41.20 | 35,195 | D | S |
| 16 Mar, 2026 | Joana Goncalves | Common Stock | D | 1,177 | $41.94 | 34,018 | D | S |
| 16 Mar, 2026 | Joana Goncalves | Common Stock | D | 641 | $41.30 | 33,377 | D | S |
| 16 Mar, 2026 | Joana Goncalves | Employee Stock Option (right to buy) | D | 3,500 | $0.00 | 214,563 | D | M |