Inhibrx Biosciences, Inc. (INBX) Insider Trading

Inhibrx Biosciences, Inc. (INBX) has 9 SEC Form 4 insider filings on record in the last 90 days. That includes 3 insider purchases totalling $3.5M, and 2 sales totalling $279K. Most recent filing: Sept. 18, 2026.

Filings
9
Purchases
3
$3.5M
Sales
2
$279K
Insiders
5

Most active INBX insiders

Lappe Mark
Chief Executive Officer
1 bought · 0 sold · Sept. 8, 2026
$2.6M
Kayyem Jon Faiz
Director
1 bought · 0 sold · Sept. 18, 2026
$568K
FORSYTH DOUGLAS
Director
1 bought · 0 sold · Sept. 18, 2026
$287K
MANHARD KIMBERLY
Director
0 bought · 2 sold · Sept. 18, 2026
$279K
Vuori Kristiina MD
Director
0 bought · 0 sold · Sept. 18, 2026
$0

Latest INBX Form 4 filings

Date Insider Value Shares Stake Pre-planned Links
Sept. 18, 2026 filed June 3, 2026 FORSYTH DOUGLAS Director $0 10,000 0% No
Sept. 18, 2026 filed June 3, 2026 Vuori Kristiina MD Director $0 10,000 0% No
Sept. 18, 2026 filed June 3, 2026 MANHARD KIMBERLY Director $0 10,000 0% No
Sept. 18, 2026 filed June 3, 2026 Kayyem Jon Faiz Director $0 10,000 0% No
Sept. 15, 2026 filed Sept. 11, 2026 MANHARD KIMBERLY Director −$163,543 1,500 −17% No

Showing the 5 most recent of 9 filings in the last 90 days.

About this data

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.

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