CONSTELLIUM SE

For the period ended Mar 31, 2026. Filed Apr 29, 2026.

About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Mar 31, 2026 · Filed Apr 29, 2026

CSTM$22.76+4.4%Stored close · as of Nov 9, 2026

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Contents

Item 6. Exhibits

Exhibit	Description
10.1	2026 Long Term Incentive Award Agreement, effective as from March 12, 2026**
10.2	Form of 2026 Long Term Incentive Award Letter for a grant of Restricted Stock Units**
10.3	Form of 2026 Long Term Incentive Award Letter for a grant of Restricted Stock Units and Performance Share Units**
31.1	Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002**
31.2	Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002**
32.1	Certification by Chief Executive Officer of Constellium SE, as required pursuant to Section 906 of the Sarbanes-Oxley Act of 2002*
32.2	Certification by Chief Financial Officer of Constellium SE, as required pursuant to Section 906 of the Sarbanes-Oxley Act of 2002*
101.INS	Inline XBRL Instance Document**
101.SCH	Inline XBRL Taxonomy Extension Schema Document**
101.CAL	Inline XBRL Taxonomy Extension Calculation Linkbase Document**
101.DEF	Inline XBRL Taxonomy Extension Definition Linkbase Document**
101.LAB	Inline XBRL Taxonomy Extension Label Linkbase Document**
101.PRE	Inline XBRL Taxonomy Extension Presentation Linkbase Document**
104	Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)**

Furnished herewith.

** Filed herewith.

† Indicates a management contract or compensatory plan.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.