<SEC-DOCUMENT>0001193125-25-004512-index.html : 20250228
<SEC-HEADER>0001193125-25-004512.hdr.sgml : 20250228
<ACCEPTANCE-DATETIME>20250110164955
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0001193125-25-004512
CONFORMED SUBMISSION TYPE:	CORRESP
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20250110

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Metsera, Inc.
		CENTRAL INDEX KEY:			0002040807
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		CORRESP

	BUSINESS ADDRESS:	
		STREET 1:		3 WORLD TRADE CENTER
		STREET 2:		175 GREENWICH STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10007
		BUSINESS PHONE:		(212) 784-6595

	MAIL ADDRESS:	
		STREET 1:		3 WORLD TRADE CENTER
		STREET 2:		175 GREENWICH STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10007
</SEC-HEADER>
<DOCUMENT>
<TYPE>CORRESP
<SEQUENCE>1
<FILENAME>filename1.htm
<TEXT>
Document 1 - file: filename1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g900229g0107071245597.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g900229g0107071245597.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g900229g1209181945337.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g900229g1209181945337.jpg

</DOCUMENT>
</SEC-DOCUMENT>