<SEC-DOCUMENT>0001231919-25-000406-index.html : 20251103
<SEC-HEADER>0001231919-25-000406.hdr.sgml : 20251103
<ACCEPTANCE-DATETIME>20251103190819
ACCESSION NUMBER:		0001231919-25-000406
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20251030
FILED AS OF DATE:		20251103
DATE AS OF CHANGE:		20251103

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MPM BioVentures 2014, L.P.
		CENTRAL INDEX KEY:			0001609492
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40366
		FILM NUMBER:		251445807

	BUSINESS ADDRESS:	
		STREET 1:		C/O MPM BIOIMPACT
		STREET 2:		399 BOYLSTON STREET, SUITE 1100
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		(617) 425-9200

	MAIL ADDRESS:	
		STREET 1:		C/O MPM BIOIMPACT
		STREET 2:		399 BOYLSTON STREET, SUITE 1100
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MPM BioVentures 2014 (B), L.P.
		CENTRAL INDEX KEY:			0001609493
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40366
		FILM NUMBER:		251445806

	BUSINESS ADDRESS:	
		STREET 1:		C/O MPM BIOIMPACT
		STREET 2:		399 BOYLSTON STREET, SUITE 1100
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		(617) 425-9200

	MAIL ADDRESS:	
		STREET 1:		C/O MPM BIOIMPACT
		STREET 2:		399 BOYLSTON STREET, SUITE 1100
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MPM Asset Management Investors BV2014 LLC
		CENTRAL INDEX KEY:			0001609495
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40366
		FILM NUMBER:		251445803

	BUSINESS ADDRESS:	
		STREET 1:		C/O MPM BIOIMPACT
		STREET 2:		399 BOYLSTON STREET, SUITE 1100
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		(617) 425-9200

	MAIL ADDRESS:	
		STREET 1:		C/O MPM BIOIMPACT
		STREET 2:		399 BOYLSTON STREET, SUITE 1100
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MPM BioVentures 2014 LLC
		CENTRAL INDEX KEY:			0001765021
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40366
		FILM NUMBER:		251445805

	BUSINESS ADDRESS:	
		STREET 1:		399 BOYLSTON STREET
		STREET 2:		SUITE 1100
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		617-425-9200

	MAIL ADDRESS:	
		STREET 1:		399 BOYLSTON STREET
		STREET 2:		SUITE 1100
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MPM BioVentures 2014 GP LLC
		CENTRAL INDEX KEY:			0001765091
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40366
		FILM NUMBER:		251445804

	BUSINESS ADDRESS:	
		STREET 1:		399 BOYLSTON STREET
		STREET 2:		SUITE 1100
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		617-425-9200

	MAIL ADDRESS:	
		STREET 1:		399 BOYLSTON STREET
		STREET 2:		SUITE 1100
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Werewolf Therapeutics, Inc.
		CENTRAL INDEX KEY:			0001785530
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				823523180
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		200 TALCOTT AVENUE
		STREET 2:		2ND FLOOR
		CITY:			WATERTOWN
		STATE:			MA
		ZIP:			02472
		BUSINESS PHONE:		617-952-0555

	MAIL ADDRESS:	
		STREET 1:		200 TALCOTT AVENUE
		STREET 2:		2ND FLOOR
		CITY:			WATERTOWN
		STATE:			MA
		ZIP:			02472
</SEC-HEADER>
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