<SEC-DOCUMENT>0001808365-25-000005-index.html : 20251218
<SEC-HEADER>0001808365-25-000005.hdr.sgml : 20251218
<ACCEPTANCE-DATETIME>20251218161505
ACCESSION NUMBER:		0001808365-25-000005
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20251121
FILED AS OF DATE:		20251218
DATE AS OF CHANGE:		20251218

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Knowles Julius
		CENTRAL INDEX KEY:			0001808365
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39264
		FILM NUMBER:		251583250

	MAIL ADDRESS:	
		STREET 1:		MASS GENERAL BRIGHAM VENTURES
		STREET 2:		399 REVOLUTION DRIVE, SUITE 999
		CITY:			SOMERVILLE
		STATE:			MA
		ZIP:			02145

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Keros Therapeutics, Inc.
		CENTRAL INDEX KEY:			0001664710
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				811173868
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1050 WALTHAM STREET, SUITE 302
		CITY:			LEXINGTON
		STATE:			MA
		ZIP:			02421
		BUSINESS PHONE:		617-314-6297

	MAIL ADDRESS:	
		STREET 1:		1050 WALTHAM STREET, SUITE 302
		CITY:			LEXINGTON
		STATE:			MA
		ZIP:			02421
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4-12182025_041201.xml
<TEXT>
Document 1 - file: form4-12182025_041201.html

Document 1 - RAW XML: form4-12182025_041201.xml

</DOCUMENT>
</SEC-DOCUMENT>