Form4.ai tracks every SEC insider trade in real time. See every INBX insider filing with a free account — no card.
See every INBX insider filing — free account, no card.
Free accountInhibrx Biosciences, Inc. (INBX) has 13 SEC Form 4 insider filings on record in the last 90 days. That includes 7 insider purchases totalling $6.3M, and 2 sales totalling $279K. Most recent filing: Oct. 14, 2026.
Open-market value, last 90 days
Form 4 filings by type, last 90 days
| Date | Insider | Trade | Value | Price since buy |
|---|---|---|---|---|
| Oct 14, 2026 SEC filing | Lappe Mark Chief Executive Officer | Bought | $848,977 | +16.1% 7D |
| Sep 28, 2026 SEC filing | Lappe Mark Chief Executive Officer | Bought | $998,784 | -4.2% 30D |
| Sep 23, 2026 SEC filing | Kayyem Jon Faiz Director | Bought | $500,000 | -2.9% 30D |
Create a free account to see all 13 INBX filings from the last 90 days. No card needed.
Create free accountWant INBX insider buys the moment they're filed, with Telegram alerts? Try Pro free for 7 days
Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.