CONSTELLIUM SE
CSTM · Secondary Smelting and Refining of Nonferrous Metals
Latest available SEC filing: 4 ·
Latest disclosures
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Deslarzes Jean-Christophe: Form 4
Insider disclosure · Filed · Report period 03 Aug 2026
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Form 4
SEC filing · Filed
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Form 10-Q
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Latest financial period: Q1 2026
Financial facts · Filed
Institutional holders by security
Choose a share class to see reported 13F positions and quarterly changes. Different securities have separate holder histories.
Company details and SEC sources
CIK 0001563411 · SEC filing index. Filing dates describe disclosures, not live market data.
- Listed symbols
- CSTM on NYSE
- SEC industry group
- Secondary Smelting and Refining of Nonferrous Metals (Office of Manufacturing)
- Business address
- Washington Plaza, 40 44 Rue Washington, Paris, France, 75008
- Fiscal year end
- 31 December
- Former names on EDGAR
- Constellium N.V. (to 28 Jun 2019), Constellium Holdco B.V. (to 17 May 2013)
At a glance
Names, identifiers, and filing context for this profile.
2 identity fields