<SEC-DOCUMENT>0001193125-21-176973-index.html : 20210528
<SEC-HEADER>0001193125-21-176973.hdr.sgml : 20210528
<ACCEPTANCE-DATETIME>20210528161704
ACCESSION NUMBER:		0001193125-21-176973
CONFORMED SUBMISSION TYPE:	SD
PUBLIC DOCUMENT COUNT:		1
<RULE>
<RULE-NAME>13p-1
<ITEM>
<ITEM-NUMBER>1.01
<ITEM-PERIOD>20201231
</ITEM>
</RULE>
FILED AS OF DATE:		20210528
DATE AS OF CHANGE:		20210528

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:		SD
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35931
		FILM NUMBER:		21980421

	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>SD
<SEQUENCE>1
<FILENAME>d189879dsd.htm
<DESCRIPTION>FORM SD
<TEXT>
Document 1 - file: d189879dsd.htm

</DOCUMENT>
</SEC-DOCUMENT>