<SEC-DOCUMENT>0001172661-24-001131-index.html : 20240214
<SEC-HEADER>0001172661-24-001131.hdr.sgml : 20240214
<ACCEPTANCE-DATETIME>20240214123630
ACCESSION NUMBER:		0001172661-24-001131
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20240214
DATE AS OF CHANGE:		20240214

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Mereo BioPharma Group plc
		CENTRAL INDEX KEY:			0001719714
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			X0
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-91444
		FILM NUMBER:		24635067

	BUSINESS ADDRESS:	
		STREET 1:		ONE CAVENDISH PLACE
		STREET 2:		FOURTH FLOOR
		CITY:			LONDON
		STATE:			X0
		ZIP:			W1G0QF
		BUSINESS PHONE:		4403330237300

	MAIL ADDRESS:	
		STREET 1:		ONE CAVENDISH PLACE
		STREET 2:		FOURTH FLOOR
		CITY:			LONDON
		STATE:			X0
		ZIP:			W1G0QF

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Mereo Biopharma Group plc
		DATE OF NAME CHANGE:	20171016

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MANGROVE PARTNERS IM, LLC
		CENTRAL INDEX KEY:			0001535392
		ORGANIZATION NAME:           	
		IRS NUMBER:				980652572
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		2 SOUND VIEW DRIVE
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
		BUSINESS PHONE:		212-897-9535

	MAIL ADDRESS:	
		STREET 1:		2 SOUND VIEW DRIVE
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MANGROVE PARTNERS
		DATE OF NAME CHANGE:	20111122
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>mangrove-mreo123123.htm
<TEXT>
Document 1 - file: mangrove-mreo123123.htm

</DOCUMENT>
</SEC-DOCUMENT>