<SEC-DOCUMENT>0001209191-23-054904-index.html : 20231109
<SEC-HEADER>0001209191-23-054904.hdr.sgml : 20231109
<ACCEPTANCE-DATETIME>20231109203253
ACCESSION NUMBER:		0001209191-23-054904
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20231107
FILED AS OF DATE:		20231109
DATE AS OF CHANGE:		20231109

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ENRIGHT PATRICK G
		CENTRAL INDEX KEY:			0001253886

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41855
		FILM NUMBER:		231394334

	MAIL ADDRESS:	
		STREET 1:		CO LONGITUDE CAPITAL PARTNERS LLC
		STREET 2:		800 EL CAMINO REAL, SUITE 220
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Tammenoms Bakker Juliet
		CENTRAL INDEX KEY:			0001431159

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41855
		FILM NUMBER:		231394335

	MAIL ADDRESS:	
		STREET 1:		LONGITUDE CAPITAL MANAGEMENT CO., LLC
		STREET 2:		800 EL CAMINO REAL, SUITE 220
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Longitude Venture Partners IV, L.P.
		CENTRAL INDEX KEY:			0001787456
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41855
		FILM NUMBER:		231394336

	BUSINESS ADDRESS:	
		STREET 1:		2740 SAND HILL ROAD
		STREET 2:		2ND FLOOR
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		(650) 854-5700

	MAIL ADDRESS:	
		STREET 1:		2740 SAND HILL ROAD
		STREET 2:		2ND FLOOR
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Longitude Capital Partners IV, LLC
		CENTRAL INDEX KEY:			0001829169
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41855
		FILM NUMBER:		231394337

	BUSINESS ADDRESS:	
		STREET 1:		2740 SAND HILL ROAD
		STREET 2:		2ND FLOOR
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		650-854-5700

	MAIL ADDRESS:	
		STREET 1:		2740 SAND HILL ROAD
		STREET 2:		2ND FLOOR
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Lexeo Therapeutics, Inc.
		CENTRAL INDEX KEY:			0001907108
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				854012572
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		345 PARK AVENUE SOUTH
		STREET 2:		FLOOR 6
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10010
		BUSINESS PHONE:		(212) 547-9879

	MAIL ADDRESS:	
		STREET 1:		345 PARK AVENUE SOUTH
		STREET 2:		FLOOR 6
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10010
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
Document 1 - file: doc4.html

Document 1 - RAW XML: doc4.xml

</DOCUMENT>
</SEC-DOCUMENT>