UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of July 2019

Commission File Number: 001-35931

Constellium SE

(Translation of registrant’s name into English)

Tupolevlaan 41-61,

1119 NW Schiphol-Rijk

The Netherlands

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F: Form

20-F  ☒    Form 40-F  ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):

Yes  ☐    No  ☒

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):

Yes  ☐    No  ☒

INFORMATION CONTAINED IN THIS FORM 6-K REPORT

Attached hereto as Exhibit 99.1 is a copy of the financial report of Constellium SE relating to its half-year ended June 30, 2019.

Exhibit Index

No.	Description
99.1	Unaudited Interim consolidated financial statements as of and for the three and six-months ended June 30, 2019

The information contained in Exhibit 99.1 of this Form 6-K is incorporated by reference into any offering circular or registration statement (or into any prospectus that forms a part thereof) filed by Constellium SE with the Securities and Exchange Commission.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	CONSTELLIUM SE (Registrant)
July 25, 2019	By:	/s/ Peter R. Matt
	Name:	Peter R. Matt
	Title:	Chief Financial Officer