<SEC-DOCUMENT>0001193125-26-269885.txt : 20260612
<SEC-HEADER>0001193125-26-269885.hdr.sgml : 20260612
<ACCEPTANCE-DATETIME>20260612184445
ACCESSION NUMBER:		0001193125-26-269885
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20260611
FILED AS OF DATE:		20260612
DATE AS OF CHANGE:		20260612

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Behbahani Ali
		CENTRAL INDEX KEY:			0001613867
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40522
		FILM NUMBER:		261088502

	MAIL ADDRESS:	
		STREET 1:		2855 SAND HILL ROAD
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Monte Rosa Therapeutics, Inc.
		CENTRAL INDEX KEY:			0001826457
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		321 HARRISON AVENUE
		STREET 2:		SUITE 900
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02118
		BUSINESS PHONE:		617-949-2643

	MAIL ADDRESS:	
		STREET 1:		321 HARRISON AVENUE
		STREET 2:		SUITE 900
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02118
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<DESCRIPTION>4
</DOCUMENT>
</SUBMISSION>