List of insiders holdings for Inhibrx Biosciences, Inc.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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- Peter Lynch
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| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | Inhibrx Inc. 10% Owner | 2024-05-31 16:30:04 | 14,474,066 0 | 14,474,066 | Form 4 |
| 2 | VIKING GLOBAL INVESTORS LP Viking Global Opportunities Parent GP LLC Viking Global Opportunities GP LLC Viking Global Opportunities Portfolio GP LLC Viking Global Opportunities Illiquid Investments Sub-Master LP HALVORSEN OLE ANDREAS Ott David C. Shabet Rose Sharon 10% Owner | 2026-08-14 16:10:37 | 1,383,621 0 | 1,383,621 | Form 13G |
| 3 | Kayyem Jon Faiz Director | 2026-09-23 16:59:17 | 0 1,074,046 | 1,074,046 | Form 4 |
| 4 | Lappe Mark Chief Executive Officer | 2026-10-14 18:58:14 | 0 224,865 | 224,865 | Form 4 |
| 5 | Eckelman Brendan P. Chief Scientific Officer | 2024-05-30 18:09:52 | 175,000 40,000 | 215,000 | Form 4 |
| 6 | Matly David President | 2026-04-27 16:48:53 | 50,000 0 | 50,000 | Form 4 |
| 7 | Deck Kelly Chief Financial Officer | 2025-04-02 16:39:28 | 15,000 0 | 15,000 | Form 4 |
| 8 | MANHARD KIMBERLY Director | 2026-09-18 16:22:27 | 10,000 0 | 10,000 | Form 4/A |
| 9 | Vuori Kristiina MD Director | 2026-09-18 16:25:40 | 10,000 0 | 10,000 | Form 4/A |
| 10 | FORSYTH DOUGLAS Director | 2026-09-18 16:26:27 | 10,000 0 | 10,000 | Form 4/A |