Constellium SE
CSTM- Exchange
- NYSE
- Industry
- Secondary Smelting & Refining of Nonferrous Metals
- SEC CIK
- 0001563411
In the last 90 days, Constellium SE insiders filed 1 open-market purchase and 0 sales; 393 institutions reported holding it in 13F filings for Q2 2026, worth $3.86B in total; no superinvestor holds it.
SEC filings
10-K, 10-Q, 8-K, 20-F and 40-F reports Constellium SE filed with the SEC, newest first.
Livermore lists each filing's form, 8-K items and dates only. To read a filing, open it on SEC.gov; an 8-K's press release or other attachments, such as exhibit 99.1 for Item 2.02, are in the filing index.
| Filed | Form | 8-K items | Period | Document | Filing index |
|---|---|---|---|---|---|
| Oct 28, 2026 | 10-Q | – | Sep 30, 2026 | SEC | Index |
| Oct 28, 2026 | 8-K | 2.029.01 | Oct 28, 2026 | SEC | Index |
| Jul 29, 2026 | 10-Q | – | Jun 30, 2026 | SEC | Index |
| Jul 29, 2026 | 8-K | 2.029.01 | Jul 29, 2026 | SEC | Index |
| May 21, 2026 | 8-K | 5.079.01 | May 21, 2026 | SEC | Index |
| Apr 29, 2026 | 10-Q | – | Mar 31, 2026 | SEC | Index |
| Apr 29, 2026 | 8-K | 2.029.01 | Apr 29, 2026 | SEC | Index |
| Mar 12, 2026 | 8-K | 8.019.01 | Mar 12, 2026 | SEC | Index |
| Feb 25, 2026 | 10-K | – | Dec 31, 2025 | SEC | Index |
| Feb 18, 2026 | 8-K | 2.02 | Feb 18, 2026 | SEC | Index |
| Oct 29, 2025 | 10-Q | – | Sep 30, 2025 | SEC | Index |
| Oct 29, 2025 | 8-K | 2.029.01 | Oct 29, 2025 | SEC | Index |
| Oct 29, 2025 | 8-K | 5.027.019.01 | Oct 29, 2025 | SEC | Index |
| Jul 31, 2025 | 10-Q | – | Jun 30, 2025 | SEC | Index |
| Jul 29, 2025 | 8-K | 2.029.01 | Jul 29, 2025 | SEC | Index |
| May 22, 2025 | 8-K | 5.07 | May 15, 2025 | SEC | Index |
| Apr 30, 2025 | 10-Q | – | Mar 31, 2025 | SEC | Index |
| Apr 30, 2025 | 8-K | 2.029.01 | Apr 30, 2025 | SEC | Index |
| Apr 15, 2025 | 8-K | 8.019.01 | Apr 15, 2025 | SEC | Index |
| Apr 15, 2025 | 10-K/A | – | Dec 31, 2024 | SEC | Index |
| Feb 28, 2025 | 10-K | – | Dec 31, 2024 | SEC | Index |
| Feb 20, 2025 | 8-K | 2.029.01 | Feb 20, 2025 | SEC | Index |
| Jan 15, 2025 | 8-K | 8.019.01 | Jan 15, 2025 | SEC | Index |
| Mar 18, 2024 | 20-F | – | Dec 31, 2023 | SEC | Index |
| Mar 14, 2023 | 20-F | – | Dec 31, 2022 | SEC | Index |
| Mar 14, 2022 | 20-F | – | Dec 31, 2021 | SEC | Index |
| Mar 17, 2021 | 20-F | – | Dec 31, 2020 | SEC | Index |
| Mar 9, 2020 | 20-F | – | Dec 31, 2019 | SEC | Index |
| Mar 11, 2019 | 20-F | – | Dec 31, 2018 | SEC | Index |
| Mar 12, 2018 | 20-F | – | Dec 31, 2017 | SEC | Index |
| Mar 21, 2017 | 20-F | – | Dec 31, 2016 | SEC | Index |
| Apr 18, 2016 | 20-F | – | Dec 31, 2015 | SEC | Index |
| Apr 24, 2015 | 20-F | – | Dec 31, 2014 | SEC | Index |
| Apr 22, 2014 | 20-F | – | Dec 31, 2013 | SEC | Index |