12 insiders reported 39 Form 4 transactions for Inhibrx Biosciences, Inc. (INBX) over the past 18 months (most recent 2026-09-23). Recent activity: Kayyem Jon Faiz (Director) Buy 5,000 shares, Kayyem Jon Faiz (Director) Buy 5,000 shares, MANHARD KIMBERLY (Director) Sell 500 shares, MANHARD KIMBERLY (Director) Sell 500 shares, MANHARD KIMBERLY (Director) Sell 500 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-23 | Kayyem Jon Faiz | Director | Buy | 5,000 | $500,000 |
| 2026-09-17 | Kayyem Jon Faiz | Director | Buy | 5,000 | $500,000 |
| 2026-09-15 | MANHARD KIMBERLY | Director | Sell | 500 | $55,888 |
| 2026-09-15 | MANHARD KIMBERLY | Director | Sell | 500 | $55,130 |
| 2026-09-15 | MANHARD KIMBERLY | Director | Sell | 500 | $52,525 |
| 2026-09-10 | MANHARD KIMBERLY | Director | Sell | 500 | $57,570 |
| 2026-09-10 | MANHARD KIMBERLY | Director | Sell | 500 | $57,898 |
| 2026-09-08 | Lappe Mark | Chief Executive Officer | Buy | 500 | $54,118 |
| 2026-09-08 | Lappe Mark | Chief Executive Officer | Buy | 5,895 | $585,343 |
| 2026-09-08 | Kayyem Jon Faiz | Director | Buy | 5,000 | $567,580 |
| 2026-09-08 | Lappe Mark | Chief Executive Officer | Buy | 6,605 | $664,719 |
| 2026-09-08 | Lappe Mark | Chief Executive Officer | Buy | 1,100 | $117,836 |
| 2026-09-08 | FORSYTH DOUGLAS | Director | Buy | 2,500 | $286,617 |
| 2026-09-08 | Lappe Mark | Chief Executive Officer | Buy | 1,219 | $136,382 |
| 2026-09-08 | Lappe Mark | Chief Executive Officer | Buy | 9,681 | $1.1M |
| 2025-10-09 | VIKING GLOBAL INVESTORS LP | 10% Owner | Sell | 308,643 | $10.0M |
| 2025-10-09 | HALVORSEN OLE ANDREAS | 10% Owner | Sell | 308,643 | $10.0M |
| 2025-10-09 | Ott David C. | 10% Owner | Sell | 308,643 | $10.0M |
| 2025-10-09 | Viking Global Opportunities Portfolio GP LLC | 10% Owner | Sell | 308,643 | $10.0M |
| 2025-10-09 | Viking Global Opportunities GP LLC | 10% Owner | Sell | 308,643 | $10.0M |
| 2025-10-09 | Viking Global Opportunities Illiquid Investments Sub-Master LP | 10% Owner | Sell | 308,643 | $10.0M |
| 2025-10-09 | Shabet Rose Sharon | 10% Owner | Sell | 308,643 | $10.0M |
| 2025-10-09 | Viking Global Opportunities Parent GP LLC | 10% Owner | Sell | 308,643 | $10.0M |
| 2025-10-09 | VIKING GLOBAL INVESTORS LP | 10% Owner | Sell | 16,315 | $526,159 |
| 2025-10-09 | HALVORSEN OLE ANDREAS | 10% Owner | Sell | 16,315 | $526,159 |
来源：SEC Form 4 申报文件 · 截至 2026-09-23