# MBX Biosciences, Inc.: Form SCHEDULE 13D/A, filed Aug 20, 2025

- Company: [MBX Biosciences, Inc.](/companies/mbx.md) (CIK 1776111)
- Form: SCHEDULE 13D/A
- Filed: 2025-08-20
- Accepted by EDGAR: Aug 20, 2025, 21:23 ET
- Period: not reported
- Accession: 0001415889-25-022503
- Inline XBRL: no
- Main document: https://www.sec.gov/Archives/edgar/data/1776111/000141588925022503/xslSCHEDULE_13D_X01/primary_doc.xml
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/1776111/000141588925022503/

## 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/1776111/000141588925022503/xslSCHEDULE_13D_X01/primary_doc.xml

Filed Aug 20, 2025.
Source: SEC EDGAR, the filing index for accession 0001415889-25-022503. Last ingested by Listed: Oct 24, 2026, 15:07 ET. No prices; not investment advice.