MBX insider trading

Healthcare

MBX Biosciences, Inc. — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades
88
Last 90 days
13
Buys / sells
35% / 5%
Market cap
$1.75B

About MBX Biosciences, Inc.

MBX Biosciences, Inc., a clinical-stage biopharmaceutical company, focuses on the discovery and development of precision peptide therapies for the treatment of endocrine and metabolic disorders. Its lead product candidate is MBX 2109, a parathyroid hormone peptide prodrug, which is in Phase 2 clinical trial for the treatment of chronic hypoparathyroidism. The company is also developing MBX 1416, a long-acting glucagon-like peptide-1 (GLP-1) receptor antagonist that is in Phase 1 clinical trial a potential therapy for post-bariatric hypoglycemia, a chronic complication of bariatric surgery. In addition, it is developing MBX 4291, a lead obesity product candidate, which is in investigational new drug-enabling studies for the treatment of obesity and co-morbidities. The company was founded in 2018 and is based in Carmel, Indiana.

Company website: mbxbio.com

MBX insider activity at a glance

FilingIQ has scored 88 insider transactions for MBX since Sep 16, 2024. The most recent filing in our index is dated May 8, 2026.

Across the full history, 31 open-market purchases and 4 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 MBX insider trades is 55.6/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

Latest MBX Form 4 filings

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

Other Healthcare tickers with recent insider activity

13F funds holding MBX

Frequently asked

How many insider trades does FilingIQ track for MBX?
FilingIQ tracks 88 Form 4 insider transactions for MBX (MBX Biosciences, Inc.), covering filings from Sep 16, 2024 onwards. 13 of those were filed in the last 90 days.
Are MBX insiders net buyers or net sellers?
Across the full Form 4 history for MBX, 31 transactions (35%) were open-market purchases and 4 (5%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does MBX insider data come from?
Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is MBX in?
MBX Biosciences, Inc. (MBX) is classified in the Healthcare sector, specifically Biotechnology, with a current market capitalisation of $1.75B.

Methodology & sources

Every MBX 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.