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; 389 institutions reported holding it in 13F filings for Q2 2026, worth $3.85B in total; no superinvestor holds it.
Members of Congress who traded CSTM
No member of Congress has reported a trade in Constellium SE since 2020.
Source: U.S. House Clerk and Senate Office of Public Records (eFD). Amounts are the ranges filers report.