INBX insider trading
Inhibrx Biosciences, Inc.
In the past 36 days, 2 insiders bought $2.8M of Inhibrx Biosciences, Inc. stock in 4 open-market purchases, and 1 insider sold $164K. The largest purchase was $999K by Mark Lappe (Chief Executive Officer) on Sep 25, 2026.
Insider purchases
| Insider | Value | Holdings | Signal | Traded / filed |
|---|---|---|---|---|
Mark Lappe Chief Executive Officer |
$849K 10,040 sh @ $84.56 |
+6.3% | Medium
|
Oct 14, 2026 Filed Oct 14, 2026 |
Mark Lappe Chief Executive Officer |
$999K 10,000 sh @ $99.88 |
+1.4% | Medium
|
Sep 25, 2026 Filed Sep 28, 2026 |
Jon Faiz Kayyem Director |
$500K 5,000 sh @ $100.00 |
+1.2% | Low
|
Sep 23, 2026 Filed Sep 23, 2026 |
Jon Faiz Kayyem Director |
$500K 5,000 sh @ $100.00 |
+1.2% | Low
|
Sep 16, 2026 Filed Sep 17, 2026 |
Insider sales
| Insider | Value | Holdings | Plan | Traded / filed |
|---|---|---|---|---|
Kimberly Manhard Director |
$164K 1,500 sh @ $109.03 |
−16.7% | Not pre-scheduled | Sep 11, 2026 Filed Sep 15, 2026 |