How many insider trades does FilingIQ track for INBX?

FilingIQ tracks 155 Form 4 insider transactions for INBX (Inhibrx Biosciences, Inc.), covering filings from Aug 21, 2020 onwards. 19 of those are dated within the last 90 days.

Are INBX insiders net buyers or net sellers?

Across the full Form 4 history for INBX, 51 transactions (33%) were open-market purchases and 67 (43%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does INBX insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ normalises insider identity across reporting variations and scores discretionary open-market purchases and sales on its multi-factor composite model.

What sector is INBX in?

Inhibrx Biosciences, Inc. (INBX) is classified in the Healthcare sector, specifically Biotechnology, with a current market capitalisation of $970.78M.

INBX insider trading

NasdaqGS Healthcare

Inhibrx Biosciences, Inc.: insider trade history from SEC Form 4 filings.

Total Form 4 trades

155

Last 90 days

Buys / sells

33% / 43%

Market cap

$970.78M

About Inhibrx Biosciences, Inc.

Inhibrx Biosciences, Inc., a clinical-stage biopharmaceutical company, engages in the development of biologic therapeutics for people with life-threatening conditions. Its therapeutic candidates include INBRX-109, which is in phase 1, a tetravalent therapeutic candidate targeting death-receptor 5 to treat unresectable or metastatic conventional chondrosarcoma; and INBRX-106, a hexavalent sdAb-based therapeutic candidate targeting OX4 for the treatment of metastatic solid tumor, non-small cell lung cancer, melanoma, head non-small cell lung cancer cell carcinoma, gastric or gastroesophageal junction adenocarcinoma, renal cell carcinoma, and urothelial cell carcinoma. Inhibrx Biosciences, Inc. was incorporated in 2024 and is based in La Jolla, California.

Company website: inhibrx.com

INBX insider activity at a glance

FilingIQ tracks 155 insider transactions for INBX in filings since Aug 21, 2020. The most recent transaction is dated Sep 28, 2026.

Across the full history, 51 open-market purchases and 67 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on INBX insider trades is 55.9/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live INBX trades on FilingIQ Raw filings on SEC EDGAR

Latest INBX Form 4 filings

Lappe Mark Chief Executive Officer

Most recent disclosures. Sign up to filter by score, transaction code, or insider role.

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Frequently asked

How many insider trades does FilingIQ track for INBX?: FilingIQ tracks 155 Form 4 insider transactions for INBX (Inhibrx Biosciences, Inc.), covering filings from Aug 21, 2020 onwards. 19 of those are dated within the last 90 days.
Are INBX insiders net buyers or net sellers?: Across the full Form 4 history for INBX, 51 transactions (33%) were open-market purchases and 67 (43%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does INBX insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ normalises insider identity across reporting variations and scores discretionary open-market purchases and sales on its multi-factor composite model.
What sector is INBX in?: Inhibrx Biosciences, Inc. (INBX) is classified in the Healthcare sector, specifically Biotechnology, with a current market capitalisation of $970.78M.

Methodology & sources

Every INBX insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.