Lappe Mark
SEC insider (Form 3/4/5 filer). CIK 0001366074. Chief Executive Officer at Inhibrx Biosciences, Inc. (INBX). 25 reported Form 4/5 transactions since Sep 2024; latest on Oct 14, 2026. Located in LA JOLLA, CA.
Companies Lappe Mark has filed insider reports for
- Inhibrx Biosciences, Inc. (INBX): Director, Officer, Chief Executive Officer
Lappe Mark
CIK: 0001366074
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Inhibrx Biosciences, Inc.
Discretionary Trading P&L
Holdings
Transaction History (25 total)
- Oct 14, 2026INBX
Inhibrx Biosciences, Inc.
PurchaseIndirect2.4K shares at avg. $84.07$206K - Oct 14, 2026INBX
Inhibrx Biosciences, Inc.
PurchaseIndirect2.5K shares at avg. $84.07$208K - Oct 14, 2026INBX
Inhibrx Biosciences, Inc.
PurchaseIndirect2.5K shares at avg. $85.00$208K - Oct 14, 2026INBX
Inhibrx Biosciences, Inc.
PurchaseIndirect2.5K shares at avg. $85.00$210K - Oct 14, 2026INBX
Inhibrx Biosciences, Inc.
PurchaseIndirect100 shares at avg. $85.76$9K - Oct 14, 2026INBX
Inhibrx Biosciences, Inc.
PurchaseIndirect100 shares at avg. $85.76$9K - Sep 28, 2026INBX
Inhibrx Biosciences, Inc.
PurchaseIndirect3K shares at avg. $101.70$305K - Sep 28, 2026INBX
Inhibrx Biosciences, Inc.
PurchaseIndirect1.5K shares at avg. $98.88$148K - Sep 25, 2026INBX
Inhibrx Biosciences, Inc.
PurchaseIndirect2.2K shares at avg. $99.60$217K - Sep 25, 2026INBX
Inhibrx Biosciences, Inc.
PurchaseIndirect3.3K shares at avg. $98.87$329K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 14, 2026 | INBX Inhibrx Biosciences, Inc. | Purchase | 2,449 | $84.07 | $205,889 | Indirect |
| Oct 14, 2026 | INBX Inhibrx Biosciences, Inc. | Purchase | 2,470 | $84.07 | $207,655 | Indirect |
| Oct 14, 2026 | INBX Inhibrx Biosciences, Inc. | Purchase | 2,451 | $85.00 | $208,333 | Indirect |
| Oct 14, 2026 | INBX Inhibrx Biosciences, Inc. | Purchase | 2,470 | $85.00 | $209,948 | Indirect |
| Oct 14, 2026 | INBX Inhibrx Biosciences, Inc. | Purchase | 100 | $85.76 | $8,576 | Indirect |
| Oct 14, 2026 | INBX Inhibrx Biosciences, Inc. | Purchase | 100 | $85.76 | $8,576 | Indirect |
| Sep 28, 2026 | INBX Inhibrx Biosciences, Inc. | Purchase | 3,000 | $101.70 | $305,106 | Indirect |
| Sep 28, 2026 | INBX Inhibrx Biosciences, Inc. | Purchase | 1,500 | $98.88 | $148,320 | Indirect |
| Sep 25, 2026 | INBX Inhibrx Biosciences, Inc. | Purchase | 2,176 | $99.60 | $216,727 | Indirect |
| Sep 25, 2026 | INBX Inhibrx Biosciences, Inc. | Purchase | 3,324 | $98.87 | $328,630 | Indirect |
1-10 of 25 transactions