Form SD CONSTELLIUM SE

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May 28, 2026 10:52 AM EDT
 
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Form SD
SPECIALIZED DISCLOSURE REPORT
CONSTELLIUM SE
(Exact Name of Registrant as Specified in Charter)
France
001-35931
98-0667516
(State or Other Jurisdiction
of Incorporation or Organization)
(Commission
File Number)
(I.R.S. Employer
Identification No.)
300 East Lombard Street
Suite 1710
Baltimore, MD 21202
United States
(Address of Principal Executive Office (US), including zip code)
Kristine Carpenter
Vice President, Legal and Assistant Corporate Secretary 443-420-7861
(Name and telephone number, including area code, of the
person to contact in connection with this report.)
Check the appropriate box to indicate the rule pursuant to which this form is being filed, and provide the period to which the
information in this form applies:
☒Rule 13p-1 under the Securities Exchange Act (17 CFR 240.13p-1) for the reporting period from January 1 to December 31, 2025.
 
Section 1 – Conflict Minerals Disclosure
Item 1.01 Conflict Minerals Disclosure and Report
Conflict Minerals Disclosure
This Form SD of Constellium SE and its subsidiaries (the “Company”) is filed pursuant to Rule 13p-1 under the Securities Exchange
Act of 1934, as amended (the “Rule”), for the year ended December 31, 2025.
The Rule requires disclosure of certain information when a company manufactures, or contracts to manufacture, products for which
minerals specified in the Rule are necessary to the functionality or production of those products. The specified minerals are cassiterite,
columbite-tantalite, wolframite and gold, including their derivatives, which are limited to tin, tantalum and tungsten (“3TG”). The
“Covered Countries” for the purposes of the Rule are the Democratic Republic of the Congo or an adjoining country, meaning a
country which shares an internationally recognized border with the Democratic Republic of the Congo, including  the Republic of the
Congo, the Central African Republic, South Sudan, Uganda, Rwanda, Burundi, Tanzania, Zambia and Angola.
The Company determined that in 2025, it manufactured, or contracted to manufacture, products for which 3TG are necessary (such
3TG, the “Necessary 3TG”) to the functionality or production of the product (“Covered Products”). The Company determined that
Covered Products represent a minuscule amount (less than 1%) of the Company’s products manufactured in 2025. As a result of this
determination, the Company conducted a good faith reasonable country of origin inquiry (“RCOI”) regarding the source of the
Necessary 3TG in the Covered Products. The RCOI was reasonably designed to determine whether the Necessary 3TG found in the
Covered Products originated in the Covered Countries or are from recycled or scrap sources. Based on the RCOI, the Company
determined that the Necessary 3TG did not originate in the Covered Countries or come from recycled or scrap sources.
The Company’s RCOI included the following steps: identification of the suppliers of the Necessary 3TG contained in the Company’s
products; identification and information gathering from suppliers; and an assessment to determine whether further due diligence was
required.
•Identification of the suppliers: The Company identified the direct suppliers of the Necessary 3TG contained in the
Covered Products (the “First-Tier Suppliers”).
•Identification and information gathering from suppliers: The Company requested that the First-Tier Suppliers provide
information regarding their suppliers of the Necessary 3TG. The First-Tier Suppliers identified their upstream suppliers. The
upstream suppliers confirmed in writing either that they do not source the Necessary 3TG from the Covered Countries or that
the Necessary 3TG used are from recycled or scrap sources. All upstream suppliers responded to the inquiries made by the
First-Tier Suppliers, and the Company received responses from all First-Tier Suppliers.
•Assessment: The Company reviewed the documentation provided by the suppliers to assess the adequacy of such materials.
Based on the data collected by the Company through the RCOI, the Company reasonably believes that the Necessary 3TG used in the
Covered Products either did not come from the Covered Countries or came from recycled or scrap sources. Accordingly, the Company
determined that no additional due diligence measures were required to be taken.
This information is also publicly available at: https://www.constellium.com/about-constellium/governance. The content of any
website referred to in this Form SD is included for general information only and is not incorporated by reference in this Form SD.
 
SIGNATURES
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 duly authorized undersigned.
 
CONSTELLIUM SE
 
(Registrant)
 
 
 
May 28, 2026
By:
/s/ Jack Guo
 
Name:
Jack Guo
 
Title:
Executive Vice President &
Chief Financial Officer

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