<SEC-DOCUMENT>0001193125-20-158467-index.html : 20200602
<SEC-HEADER>0001193125-20-158467.hdr.sgml : 20200602
<ACCEPTANCE-DATETIME>20200602161104
ACCESSION NUMBER:		0001193125-20-158467
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		12
CONFORMED PERIOD OF REPORT:	20200602
FILED AS OF DATE:		20200602
DATE AS OF CHANGE:		20200602

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NuCana plc
		CENTRAL INDEX KEY:			0001709626
		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:	001-38215
		FILM NUMBER:		20937064

	BUSINESS ADDRESS:	
		STREET 1:		3 LOCHSIDE WAY
		CITY:			EDINBURGH
		STATE:			X0
		ZIP:			EH12 9DT
		BUSINESS PHONE:		44-0-131-357-1111

	MAIL ADDRESS:	
		STREET 1:		3 LOCHSIDE WAY
		CITY:			EDINBURGH
		STATE:			X0
		ZIP:			EH12 9DT

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NuCana BioMed Ltd
		DATE OF NAME CHANGE:	20170619
</SEC-HEADER>
<DOCUMENT>
<TYPE>6-K
<SEQUENCE>1
<FILENAME>d904392d6k.htm
<DESCRIPTION>6-K
<TEXT>
Document 1 - file: d904392d6k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>d904392dex991.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 2 - file: d904392dex991.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g904392page004.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g904392page004.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g904392page005.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g904392page005.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g904392page006.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g904392page006.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g904392page007.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g904392page007.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g904392page008.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g904392page008.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g904392page009.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g904392page009.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g904392page010.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g904392page010.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>g904392page011.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: g904392page011.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>g904392page012.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: g904392page012.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>g904392page013.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: g904392page013.jpg

</DOCUMENT>
</SEC-DOCUMENT>