<SEC-DOCUMENT>0000950170-24-105907.txt : 20240912
<SEC-HEADER>0000950170-24-105907.hdr.sgml : 20240912
<ACCEPTANCE-DATETIME>20240912160506
ACCESSION NUMBER:		0000950170-24-105907
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20240912
DATE AS OF CHANGE:		20240912

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:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-38452
		FILM NUMBER:		241294952

	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

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Lewicki John A.
		CENTRAL INDEX KEY:			0001553352
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		C/O ONCOMED PHARMACEUTICALS, INC.
		STREET 2:		800 CHESAPEAKE DRIVE
		CITY:			REDWOOD CITY
		STATE:			MA
		ZIP:			94063
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<headerData>
<submissionType>144</submissionType>
<filerInfo>
<filer>
<filerCredentials>
<cik>0001553352</cik>
<ccc>XXXXXXXX</ccc>
</filerCredentials>
</filer>
<liveTestFlag>LIVE</liveTestFlag>
</filerInfo>
</headerData>
<formData>
<issuerInfo>
<issuerCik>0001719714</issuerCik>
<issuerName>Mereo BioPharma Group plc</issuerName>
<secFileNumber>001-38452</secFileNumber>
<issuerAddress>
<street1 xmlns="http://www.sec.gov/edgar/common">4th Floor, One Cavendish Place</street1>
<city xmlns="http://www.sec.gov/edgar/common">London</city>
<stateOrCountry xmlns="http://www.sec.gov/edgar/common">X0</stateOrCountry>
<zipCode xmlns="http://www.sec.gov/edgar/common">W1G 0QF</zipCode>
</issuerAddress>
<issuerContactPhone>44-333 023 7300</issuerContactPhone>
<nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Lewicki John A.</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
<relationshipsToIssuer>
<relationshipToIssuer>Officer</relationshipToIssuer>
</relationshipsToIssuer>
</issuerInfo>
<securitiesInformation>
<securitiesClassTitle>American Depositary Shares Representing Ordinary Shares</securitiesClassTitle>
<brokerOrMarketmakerDetails>
<name>Morgan Stanley &amp; Co. LLC</name>
<address>
<street1 xmlns="http://www.sec.gov/edgar/common">1585 Broadway</street1>
<city xmlns="http://www.sec.gov/edgar/common">New York</city>
<stateOrCountry xmlns="http://www.sec.gov/edgar/common">NY</stateOrCountry>
<zipCode xmlns="http://www.sec.gov/edgar/common">10036-8293</zipCode>
</address>
</brokerOrMarketmakerDetails>
<noOfUnitsSold>16149</noOfUnitsSold>
<aggregateMarketValue>75254.34</aggregateMarketValue>
<noOfUnitsOutstanding>769262609</noOfUnitsOutstanding>
<approxSaleDate>09/12/2024</approxSaleDate>
<securitiesExchangeName>NASDAQ</securitiesExchangeName>
</securitiesInformation>
<securitiesToBeSold>
<securitiesClassTitle>American Depositary Shares Representing Ordinary Shares</securitiesClassTitle>
<acquiredDate>09/12/2024</acquiredDate>
<natureOfAcquisitionTransaction>Same Day Cashless Exercise and Sale</natureOfAcquisitionTransaction>
<nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
<isGiftTransaction>N</isGiftTransaction>
<amountOfSecuritiesAcquired>46000</amountOfSecuritiesAcquired>
<paymentDate>09/12/2024</paymentDate>
<natureOfPayment>Equity Compensation</natureOfPayment>
</securitiesToBeSold>
<nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
<securitiesSoldInPast3Months>
<sellerDetails>
<name>Lewicki John A.</name>
<address>
<street1 xmlns="http://www.sec.gov/edgar/common">4th Floor, One Cavendish Place</street1>
<city xmlns="http://www.sec.gov/edgar/common">London</city>
<stateOrCountry xmlns="http://www.sec.gov/edgar/common">X0</stateOrCountry>
<zipCode xmlns="http://www.sec.gov/edgar/common">W1G 0QF</zipCode>
</address>
</sellerDetails>
<securitiesClassTitle>American Depositary Shares Representing Ordinary Shares</securitiesClassTitle>
<saleDate>06/25/2024</saleDate>
<amountOfSecuritiesSold>7416</amountOfSecuritiesSold>
<grossProceeds>27393.96</grossProceeds>
</securitiesSoldInPast3Months>
<securitiesSoldInPast3Months>
<sellerDetails>
<name>Lewicki John A.</name>
<address>
<street1 xmlns="http://www.sec.gov/edgar/common">4th Floor, One Cavendish Place</street1>
<city xmlns="http://www.sec.gov/edgar/common">London</city>
<stateOrCountry xmlns="http://www.sec.gov/edgar/common">X0</stateOrCountry>
<zipCode xmlns="http://www.sec.gov/edgar/common">W1G 0QF</zipCode>
</address>
</sellerDetails>
<securitiesClassTitle>American Depositary Shares Representing Ordinary Shares</securitiesClassTitle>
<saleDate>06/26/2024</saleDate>
<amountOfSecuritiesSold>16808</amountOfSecuritiesSold>
<grossProceeds>57032.91</grossProceeds>
</securitiesSoldInPast3Months>
<remarks>The number of shares to be sold is in the form of American Depositary Shares ("ADSs"). The number of shares outstanding is in the form of ordinary shares. Each ADS represents 5 ordinary shares, nominal value GBP 0.003 per ordinary share, of the Issuer. Represents ADSs sold to cover tax obligations from vesting of Performance Based Restricted Share Units.</remarks>
<noticeSignature>
<noticeDate>09/12/2024</noticeDate>
<signature>/s/ John A. Lewicki</signature>
</noticeSignature>
</formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
