Inhibrx, Inc. (INBX) has 47 open-market insider trades by 14 insiders since 2020. Over the last six months insiders net bought $6.1M. The most active filer is Jon Faiz Kayyem, Director.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| David C. Ott | 10% Owner | — | 2 | $59.8M | 2023-08-28 |
| Viking Global Opportunities Parent GP LLC | 10% Owner | — | 1 | $22.6M | 2025-10-07 |
| Brendan P. Eckelman | CSO | — | 9 | $17.0M | 2024-05-30 |
| Jon Faiz Kayyem | Dir | — | 10 | $16.0M | 2026-09-23 |
| Mark Lappe | CEO | — | 8 | $8.6M | 2026-09-08 |
| Viking Global Opportunities Illiquid Investments Sub-Master LP | 10% Owner | — | 1 | $6.8M | 2020-08-26 |
| Viking Global Investors L.P. | 10% Owner | — | 1 | $5.1M | 2024-05-30 |
| Klaus W. Wagner | — | — | 1 | $4.3M | 2021-02-17 |
| Douglas Forsyth | Dir | — | 2 | $2.4M | 2026-09-08 |
| Eckelman Living Trust Dated February 5, 2014 | CSO10% Owner | — | 3 | $2.3M | 2023-03-01 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Mark Lappe | CEO | Buy | $840K | 2026-10-14 |
| Mark Lappe | CEO | Buy | $999K | 2026-09-25 |
| Jon Faiz Kayyem | Director | Buy | $500K | 2026-09-23 |
| Jon Faiz Kayyem | Director | Buy | $500K | 2026-09-16 |
| Kimberly Manhard | Director | Sell | $164K | 2026-09-11 |
| Mark Lappe | CEO | Buy | $2.6M | 2026-09-08 |
Companies that share insiders with INBX, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| Jon Faiz Kayyem | Director | Buy | $568K | 2026-09-08 |
| Kimberly Manhard | Director | Sell | $115K | 2026-09-08 |
| Douglas Forsyth | Director | Buy | $287K | 2026-09-08 |
| Viking Global Opportunities Parent GP LLC | 10% Owner | Sell | $22.6M | 2025-10-07 |
| Jon Faiz Kayyem | Director | Buy | $1.5M | 2024-11-19 |
| Kristiina Vuori M.D. | Director | Buy | $100K | 2024-10-03 |
| Mark Lappe | CEO | Buy | $1.3M | 2024-09-12 |
| Kristiina Vuori M.D. | Director | Buy | $197K | 2024-09-10 |
| Mark Lappe | CEO | Buy | $671K | 2024-09-06 |