| Insiders | Shares | % | Avg Price | Total $ | |
|---|---|---|---|---|---|
| Buys | 0 | ||||
| Sells | 1 | -350,000 | 100% | $32.25 | -$11,287,500 |
| Net | -1 | -350,000 | -100% | -$11,287,500 |
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Report Date |
|---|---|---|---|---|---|
| Mark P. Lappe | Chief Executive Officer, Director | $15,852,324 | 12 Sep 2024 | ||
| Jon Faiz Kayyem | Director | $15,030,087 | 28 May 2025 | ||
| Brendan P. Eckelman | Chief Scientific Officer | $6,127,372 | 29 May 2024 | ||
| VIKING GLOBAL INVESTORS LP | 10%+ Owner | $3,317,364 | -$11,287,500 | -77% | 07 Oct 2025 |
| Douglas G. Forsyth | Director | $3,159,615 | 28 May 2025 | ||
| Kristiina Vuori MD | Director | $306,645 | 28 May 2025 | ||
| Kimberly Manhard | Director | $139,800 | 28 May 2025 | ||
| Inhibrx, Inc. | 10%+ Owner | 29 May 2024 | |||
| David Matly | President | 01 Apr 2025 | |||
| Kelly Deck | Chief Financial Officer | 01 Apr 2025 |
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Viking Global Investors Lp | INBX | Common Stock | Sale | -83.9% | $11,287,500 | $32.25 | -350,000 | 67,018 | 07 Oct 2025 | See Explanation of Responses |
| Kimberly Manhard | INBX | Stock Option (right to buy) | Award | 15,000 | 15,000 | 28 May 2025 | Direct | |||
| Kristiina Vuori MD | INBX | Stock Option (right to buy) | Award | 15,000 | 15,000 | 28 May 2025 | Direct | |||
| Jon Faiz Kayyem | INBX | Stock Option (right to buy) | Award | 15,000 | 15,000 | 28 May 2025 | Direct | |||
| Douglas G. Forsyth | INBX | Stock Option (right to buy) | Award | 15,000 | 15,000 | 28 May 2025 | Direct | |||
| Kelly Deck | INBX | Stock Option (right to buy) | Award | 15,000 | 15,000 | 01 Apr 2025 | Direct | |||
| David Matly | INBX | Stock Option (right to buy) | Award | 50,000 | 50,000 | 01 Apr 2025 | Direct | |||
| Jon Faiz Kayyem | INBX | Common Stock | Gift | -17.7% | -90,000 | 419,360 | 27 Mar 2025 | By The Jon F. Kayyem and Paige Gates-Kayyem Family Trust |