Constellium SE SEC filings CSTM
Constellium SE has 507 filings in SEC EDGAR's recent list, going back to Dec 3, 2012. Its latest annual report, Form ARS, was filed on Apr 10, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 28, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 28, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| S-3ASR | Automatic shelf registration | Jun 24, 2026 | — |
| S-8 | Employee stock plan registration | May 16, 2024 | — |
| F-3ASR | Filing | Mar 20, 2024 | — |
| S-8 | Employee stock plan registration | May 14, 2021 | — |
| F-3ASR | Filing | Nov 13, 2020 | — |
| S-8 POS | Filing | Dec 12, 2019 | — |
| S-8 POS | Filing | Dec 12, 2019 | — |
| S-8 POS | Filing | Dec 12, 2019 | — |
| 424B3 | Prospectus | Oct 23, 2019 | — |
| F-4/A | Amendment no.1 to form f-4 | Oct 21, 2019 | — |
| S-8 POS | Filing | Jun 28, 2019 | — |
| S-8 POS | Filing | Jun 28, 2019 | — |
| S-8 POS | Filing | Jun 28, 2019 | — |
| F-4 | Form f-4 | Jun 3, 2019 | — |
| S-8 | Employee stock plan registration | Jun 27, 2018 | — |
| 424B5 | Prospectus supplement | Nov 2, 2017 | — |
| FWP | Free writing prospectus | Oct 31, 2017 | — |
| 424B5 | Prospectus supplement | Oct 30, 2017 | — |
| F-3ASR | Filing | Oct 30, 2017 | — |
| 424B3 | Prospectus | Sep 20, 2016 | — |
| F-3/A | Amendment no. 1 to the form f-3 | Sep 13, 2016 | — |
| F-3 | Shelf registration (foreign issuer) | May 13, 2016 | — |
| S-8 | Employee stock plan registration | Dec 19, 2014 | — |
| 424B4 | Prospectus | Mar 7, 2014 | — |
| 424B4 | Prospectus | Feb 7, 2014 | — |
| FWP | Free writing prospectus | Feb 5, 2014 | — |
| F-1/A | Amendment no.1 to form f-1 | Feb 4, 2014 | — |
| F-1 | Registration statement (foreign issuer) | Jan 27, 2014 | — |
| 424B4 | Prospectus | Dec 12, 2013 | — |
| F-1/A | Filing | Dec 10, 2013 | — |
| F-1 | Registration statement (foreign issuer) | Dec 6, 2013 | — |
| 424B4 | Prospectus | Nov 8, 2013 | — |
| F-1/A | Amendment no.1 to form f-1 | Nov 4, 2013 | — |
| S-8 | Employee stock plan registration | Oct 25, 2013 | — |
| F-1 | Registration statement (foreign issuer) | Oct 23, 2013 | — |
| 424B4 | Prospectus | May 23, 2013 | — |
| FWP | Free writing prospectus | May 22, 2013 | — |
| F-1/A | Amendment no.5 to form f-1 | May 22, 2013 | — |
| F-1/A | Filing | May 22, 2013 | — |
| F-1/A | Amendment no.3 to form f-1/a | May 21, 2013 | — |
| F-1/A | Filing | May 17, 2013 | — |
| F-1/A | Filing | May 14, 2013 | — |
| F-1 | Registration statement (foreign issuer) | May 13, 2013 | — |
Showing 43 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Secondary Smelting & Refining of Nonferrous Metals (SIC 3341)
- Listed as
- CSTM (NYSE)
- Fiscal year ends
- December 31
- Headquarters
- Paris, France
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1563411
- Former names
- Constellium N.V. (until Jun 28, 2019); Constellium Holdco B.V. (until May 17, 2013)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.