CSTM - CIK 0001563411
CONSTELLIUM SE has filed 491 documents with the SEC between 2012 and 2026. The most frequent type is 6-k (160 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| New insider ownership | 3 | 2026-01-02 | 2026-01-01 |
| New insider ownership | 3 | 2026-01-02 | 2026-01-01 |
| New insider ownership | 3 | 2026-01-02 | 2026-01-01 |
| New insider ownership | 3 | 2026-01-02 | 2026-01-01 |
| New insider ownership | 3 | 2026-01-02 | 2026-01-01 |
| New insider ownership | 3 | 2026-01-02 | 2026-01-01 |
| New insider ownership | 3 | 2026-01-02 | 2026-01-01 |
| New insider ownership | 3 | 2026-01-02 | 2026-01-01 |
| New insider ownership | 3 | 2026-01-02 | 2026-01-01 |
| New insider ownership | 3 | 2026-01-02 | 2026-01-01 |
| Quarterly report | 10-Q | 2025-10-29 | 2025-09-30 |
| Major company event | 8-K | 2025-10-29 | 2025-10-29 |
| Major company event | 8-K | 2025-10-29 | 2025-10-29 |
| SCHEDULE 13G | - | 2025-09-16 | - |
| SCHEDULE 13G/A | - | 2025-09-08 | - |
| SCHEDULE 13G/A | - | 2025-08-14 | - |
| SCHEDULE 13G/A | - | 2025-08-01 | - |
| Quarterly report | 10-Q | 2025-07-31 | 2025-06-30 |
| Major company event | 8-K | 2025-07-29 | 2025-07-29 |
| SCHEDULE 13G | - | 2025-07-17 | - |
| SCHEDULE 13G | - | 2025-05-30 | - |
| SD | - | 2025-05-27 | - |
| Major company event | 8-K | 2025-05-22 | 2025-05-15 |
| Quarterly report | 10-Q | 2025-04-30 | 2025-03-31 |
| Major company event | 8-K | 2025-04-30 | 2025-04-30 |
| SCHEDULE 13G/A | - | 2025-04-29 | - |
| Major company event | 8-K | 2025-04-15 | 2025-04-15 |
| Annual report (amended) | 10-K/A | 2025-04-15 | 2024-12-31 |
| Annual report | 10-K | 2025-02-28 | 2024-12-31 |
| Major company event | 8-K | 2025-02-20 | 2025-02-20 |
| SCHEDULE 13G/A | - | 2025-02-14 | - |
| Major company event | 8-K | 2025-01-15 | 2025-01-15 |
| Passive ownership stake (update) | SC 13G/A | 2024-11-14 | - |
| Passive ownership stake (update) | SC 13G/A | 2024-11-14 | - |
| Passive ownership stake | SC 13G | 2024-11-08 | - |
| 6-K | - | 2024-10-23 | 2024-10-23 |
| Passive ownership stake | SC 13G | 2024-10-22 | - |
| 6-K | - | 2024-08-27 | 2024-08-27 |
| 6-K | - | 2024-07-25 | 2024-07-25 |
| 6-K | - | 2024-07-24 | 2024-07-24 |
| 6-K | - | 2024-07-23 | 2024-06-30 |
| 6-K | - | 2024-07-23 | 2024-07-23 |
| 6-K | - | 2024-07-03 | 2024-07-03 |
| Activist ownership stake (update) | SC 13D/A | 2024-06-06 | - |
| Insider sale notice | 144 | 2024-06-04 | - |
| SD | - | 2024-05-28 | - |
| Employee stock plan | S-8 | 2024-05-16 | - |
| 6-K | - | 2024-05-14 | 2024-05-14 |
| 6-K | - | 2024-04-24 | 2024-04-24 |
| 6-K | - | 2024-04-12 | 2024-04-12 |