# MBX Biosciences, Inc.: Form 8-K, filed Oct 22, 2026

- Company: [MBX Biosciences, Inc.](/companies/mbx.md) (CIK 1776111)
- Form: 8-K
- Filed: 2026-10-22
- Accepted by EDGAR: Oct 22, 2026, 08:11 ET
- Period: 2026-10-20
- Accession: 0001193125-26-428367
- Inline XBRL: yes
- Main document: https://www.sec.gov/Archives/edgar/data/1776111/000119312526428367/mbx-20261020.htm
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/1776111/000119312526428367/

## Items reported

- Item 5.02: Departure or appointment of officers or directors
- Item 9.01: Financial statements and exhibits

## Sections

Sections are extracted only from 10-K and 10-Q reports. Read this filing’s documents on sec.gov. https://www.sec.gov/Archives/edgar/data/1776111/000119312526428367/mbx-20261020.htm

Filed Oct 22, 2026.
Source: SEC EDGAR, the filing index for accession 0001193125-26-428367. Last ingested by Listed: Nov 5, 2026, 17:27 ET. No prices; not investment advice.