# Filing Detail

Form DEF 14A - Other definitive proxy statements:
SEC Accession No. 0001563411-26-000142
Filing Date
2026-04-10
Accepted
2026-04-10 08:34:23
Documents
38
Period of Report
2025-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | DEF 14A | cstm-20260410.htm iXBRL | DEF 14A | 2792202
5 |  | cstm-20260410_g1.jpg | GRAPHIC | 34802
6 |  | cstm-20260410_g10.jpg | GRAPHIC | 621103
7 |  | cstm-20260410_g11.jpg | GRAPHIC | 735576
8 |  | cstm-20260410_g12.jpg | GRAPHIC | 512657
9 |  | cstm-20260410_g13.jpg | GRAPHIC | 522541
10 |  | cstm-20260410_g14.jpg | GRAPHIC | 602680
11 |  | cstm-20260410_g15.jpg | GRAPHIC | 705450
12 |  | cstm-20260410_g16.jpg | GRAPHIC | 487604
13 |  | cstm-20260410_g17.jpg | GRAPHIC | 113207
14 |  | cstm-20260410_g18.gif | GRAPHIC | 59774
15 |  | cstm-20260410_g19.gif | GRAPHIC | 62699
16 |  | cstm-20260410_g2.jpg | GRAPHIC | 599587
17 |  | cstm-20260410_g20.gif | GRAPHIC | 102847
18 |  | cstm-20260410_g21.gif | GRAPHIC | 87069
19 |  | cstm-20260410_g22.gif | GRAPHIC | 98816
20 |  | cstm-20260410_g23.jpg | GRAPHIC | 162642
21 |  | cstm-20260410_g24.jpg | GRAPHIC | 90220
22 |  | cstm-20260410_g3.jpg | GRAPHIC | 2426855
23 |  | cstm-20260410_g4.jpg | GRAPHIC | 1952986
24 |  | cstm-20260410_g5.jpg | GRAPHIC | 1144170
25 |  | cstm-20260410_g6.jpg | GRAPHIC | 576054
26 |  | cstm-20260410_g7.jpg | GRAPHIC | 699678
27 |  | cstm-20260410_g8.jpg | GRAPHIC | 554225
28 |  | cstm-20260410_g9.jpg | GRAPHIC | 635825
| Complete submission text file | 0001563411-26-000142.txt |  | 38704966

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
2 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | cstm-20260410.xsd | EX-101.SCH | 1452
3 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | cstm-20260410_lab.xml | EX-101.LAB | 2457
4 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | cstm-20260410_pre.xml | EX-101.PRE | 1877
41 | EXTRACTED XBRL INSTANCE DOCUMENT | cstm-20260410_htm.xml | XML | 267917

Mailing Address WASHINGTON PLAZA 40-44 RUE WASHINGTON PARIS I0 75008
Business Address WASHINGTON PLAZA 40-44 RUE WASHINGTON PARIS I0 75008 33-1-73-01-46-51
CONSTELLIUM SE (Filer) CIK: 0001563411 (see all company filings)

EIN.: 000000000 | Fiscal Year End: 1231
Type: DEF 14A | Act: 34 | File No.: 001-35931 | Film No.: 26853258
SIC: 3341 Secondary Smelting & Refining of Nonferrous Metals
(CF Office: 04 Manufacturing)