<SEC-DOCUMENT>0001193125-21-307471-index.html : 20211026
<SEC-HEADER>0001193125-21-307471.hdr.sgml : 20211026
<ACCEPTANCE-DATETIME>20211026100701
ACCESSION NUMBER:		0001193125-21-307471
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20211026
FILED AS OF DATE:		20211026
DATE AS OF CHANGE:		20211026

FILER:

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

	FILING VALUES:
		FORM TYPE:		6-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38452
		FILM NUMBER:		211346693

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>6-K
<SEQUENCE>1
<FILENAME>d227135d6k.htm
<DESCRIPTION>6-K
<TEXT>
Document 1 - file: d227135d6k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>d227135dex991.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 2 - file: d227135dex991.htm

</DOCUMENT>
</SEC-DOCUMENT>