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INBX insider trading

Inhibrx Biosciences, Inc. — open-market insider buys and $1M+ sells from SEC Forms 3, 4 and 5.
Insider buys · 24 mo
9
Bought · 24 mo
$8.0M
Buys · last 90 days
7 · $6.3M
Most recent buy
2026-10-14

Cluster buy detected

3 insiders bought INBX within a short window (2026-09-08→2026-10-14), $6.3M in total — cluster score 72/100. Members see the buyers, the score breakdown and the chart.

See the cluster

Recent insider filings

FiledInsiderTypeSharesPriceValue
2026-10-14Lappe Markcluster
Chief Executive Officer
Bought10,040$84.56$849k
2026-09-28Lappe Markcluster
Chief Executive Officer
Bought10,000$99.88$999k
2026-09-23Kayyem Jon Faizcluster
Director
Bought5,000$100.00$500k
2026-09-17Kayyem Jon Faizcluster
Director
Bought5,000$100.00$500k
2026-09-08FORSYTH DOUGLAScluster
Director
Bought2,500$114.65$287k
2026-09-08Lappe Markcluster
Chief Executive Officer
Bought25,000$105.82$2.6M
2026-09-08Kayyem Jon Faizcluster
Director
Bought5,000$113.52$568k
2025-10-09HALVORSEN OLE ANDREAS
10% owner
Sold308,643$32.25$10.0M
2024-11-22Kayyem Jon Faiz
Director
Bought107,186$14.22$1.5M
2024-10-07Vuori Kristiina MD
Director
Bought6,667$15.00$100k

Most active insider buyers

InsiderRoleBuysTotal bought
Lappe MarkChief Executive Officer3$4.5M
Kayyem Jon FaizDirector4$3.1M
FORSYTH DOUGLASDirector1$287k
Vuori Kristiina MDDirector1$100k

See INBX on the chart

Every insider buy and sell for INBX plotted on the price, the full two-year history, cluster scores and daily updates — in the members area, $29/month. A free quarterly sample of the whole dataset needs no account.

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Data from the SEC EDGAR ownership filings, refreshed daily. Only open-market purchases (transaction code P) and sales of $1M or more are shown; grants, option exercises and tax withholding are excluded because they run on schedules set years earlier. Not investment advice.