v3.25.2
Submission
Sep. 24, 2025
Submission [Line Items]  
Central Index Key 0001776111
Registrant Name MBX Biosciences, Inc.
Registration File Number 333-290447
Form Type S-1
Submission Type S-1MEF
Fee Exhibit Type EX-FILING FEES
Offset Table N/A N/A
Combined Prospectus Table N/A N/A