<SEC-DOCUMENT>0001193125-25-245411-index.html : 20251021
<SEC-HEADER>0001193125-25-245411.hdr.sgml : 20251021
<ACCEPTANCE-DATETIME>20251021174344
ACCESSION NUMBER:		0001193125-25-245411
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20251020
FILED AS OF DATE:		20251021
DATE AS OF CHANGE:		20251021

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Hawryluk P. Kent
		CENTRAL INDEX KEY:			0001673991
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-42272
		FILM NUMBER:		251408146

	MAIL ADDRESS:	
		STREET 1:		17199 N. LAUREL PARK DRIVE
		STREET 2:		SUITE 401
		CITY:			LIVONIA
		STATE:			MI
		ZIP:			48152

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MBX Biosciences, Inc.
		CENTRAL INDEX KEY:			0001776111
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		11711 N. MERIDIAN STREET
		STREET 2:		SUITE 300
		CITY:			CARMEL
		STATE:			IN
		ZIP:			46032
		BUSINESS PHONE:		3179893100

	MAIL ADDRESS:	
		STREET 1:		11711 N. MERIDIAN STREET
		STREET 2:		SUITE 300
		CITY:			CARMEL
		STATE:			IN
		ZIP:			46032
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<DESCRIPTION>4
<TEXT>
Document 1 - file: ownership.html

Document 1 - RAW XML: ownership.xml

</DOCUMENT>
</SEC-DOCUMENT>