SC 13D/AThe Stakes
CONSTELLIUM SE files SC 13D/A
Filed May 28, 2026 · 1mo ago · Accession 0001104659-26-067466
Plain English
Activist stake — an investor has acquired more than 5% with intent to influence.
Read the source below for the full document.
Filing details
- Company
- CONSTELLIUM SE
- Ticker
- CSTM
- CIK
- 1563411
- Form type
- SC 13D/A
- Filing date
- May 28, 2026
- Report date
- —
- Document
- —
- Size
- —