<SEC-DOCUMENT>0001193125-21-125022-index.html : 20210421
<SEC-HEADER>0001193125-21-125022.hdr.sgml : 20210421
<ACCEPTANCE-DATETIME>20210421172651
ACCESSION NUMBER:		0001193125-21-125022
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20210421
FILED AS OF DATE:		20210421
DATE AS OF CHANGE:		20210421

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CONSTELLIUM SE
		CENTRAL INDEX KEY:			0001563411
		STANDARD INDUSTRIAL CLASSIFICATION:	SECONDARY SMELTING & REFINING OF NONFERROUS METALS [3341]
		IRS NUMBER:				000000000
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		6-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35931
		FILM NUMBER:		21842553

	BUSINESS ADDRESS:	
		STREET 1:		WASHINGTON PLAZA
		STREET 2:		40-44 RUE WASHINGTON
		CITY:			PARIS
		STATE:			I0
		ZIP:			75008
		BUSINESS PHONE:		33-1-73-01-46-51

	MAIL ADDRESS:	
		STREET 1:		WASHINGTON PLAZA
		STREET 2:		40-44 RUE WASHINGTON
		CITY:			PARIS
		STATE:			I0
		ZIP:			75008

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Constellium SE
		DATE OF NAME CHANGE:	20190628

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Constellium N.V.
		DATE OF NAME CHANGE:	20130521

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Constellium Holdco B.V.
		DATE OF NAME CHANGE:	20121130
</SEC-HEADER>
<DOCUMENT>
<TYPE>6-K
<SEQUENCE>1
<FILENAME>d149447d6k.htm
<DESCRIPTION>6-K
<TEXT>
Document 1 - file: d149447d6k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>d149447dex991.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 2 - file: d149447dex991.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g149447page004a.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g149447page004a.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g149447page004b.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g149447page004b.jpg

</DOCUMENT>
</SEC-DOCUMENT>