LAPPE MARK (Chief Executive Officer) purchased 6.3% of their position (10.04K shares) of INHIBRX BIOSCIENCES, INC. on the open market
Open‑market purchase worth $849.0K — a moderate purchase. The strongest form of insider conviction signal.
P · 6 purchases
Filed: 10/14/2026ACC: 0001366074-26-000006
DirectorOfficer· Chief Executive Officer
Since May 2024
+10.04K
Net shares
Net buyer
$849.0K
Total acquired
6
Open market trades
6B · 0S
6
Total transactions
10.04K acquired
Non-Derivative Transactions6
Common Stock
Indirect
Shares
+2.47K
Price / share
$84.07
Trade value
$207.65K
% of position
0.3%
10/14/2026
740.55K→743.02K
Common Stock
Indirect
Shares
+2.47K
Price / share
$85.00
Trade value
$209.95K
% of position
0.3%
10/14/2026
743.02K→745.49K
Common Stock
Indirect
Shares
+100.00
Price / share
$85.76
Trade value
$8.58K
% of position
0.0%
10/14/2026
745.49K→745.59K
Common Stock
Indirect
Shares
+2.45K
Price / share
$84.07
Trade value
$205.89K
% of position
1.5%
10/14/2026
165K→167.45K
Common Stock
Indirect
Shares
+2.45K
Price / share
$85.00
Trade value
$208.33K
% of position
1.5%
10/14/2026
167.45K→169.90K
Common Stock
Indirect
Shares
+100.00
Price / share
$85.76
Trade value
$8.58K
% of position
0.1%
10/14/2026
169.90K→170K
Total
Net shares
+10.04K
Net value
$848.98K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Indirect | 10/14/2026 | P · Purchase | +2.47K | $84.07 | $207.65K | 0.3% | 740.55K | 743.02K |
| Common Stock Indirect | 10/14/2026 | P · Purchase | +2.47K | $85.00 | $209.95K | 0.3% | 743.02K | 745.49K |
| Common Stock Indirect | 10/14/2026 | P · Purchase | +100.00 | $85.76 | $8.58K | 0.0% | 745.49K | 745.59K |
| Common Stock Indirect | 10/14/2026 | P · Purchase | +2.45K | $84.07 | $205.89K | 1.5% | 165K | 167.45K |
| Common Stock Indirect | 10/14/2026 | P · Purchase | +2.45K | $85.00 | $208.33K | 1.5% | 167.45K | 169.90K |
| Common Stock Indirect | 10/14/2026 | P · Purchase | +100.00 | $85.76 | $8.58K | 0.1% | 169.90K | 170K |
| Total | +10.04K | $848.98K | ||||||
Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)1
Common Stock
IndirectShares owned54.87K
Total
54.87K indirect54.87K
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Stock | 54.87K | Indirect |
| Total | 54.87K | 54.87K indirect |
Derivative Holdings (Post-Transaction)0
No derivative holdings reported