CSTM
Constellium SE$30.89-0.33 (-1.06%)Prev Close$31.19·MCap$4.27B·P/E18.17·Vol1.84M·Yield—
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Buys (12M)
0
$0.00
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Sells (12M)
2
$436.4K
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Net Activity
Net Seller
$436.4K
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Active Insiders
2
last 12 mo
Over the past 12 months, insider activity at Constellium SE (CSTM) has been exclusively selling, with 0 insider purchases totaling $0.00 and 2 insider sales totaling $436.4K. The most recent insider transaction was by Walters Stephen Charles (SVP GC & Secretary), who sold $38.1K worth of shares on Feb 23, 2026. Constellium SE operates in the Basic Materials sector, within the Aluminum industry, with a market cap of $4.27B.
CSTM Insider Trading Activity
CSTM Insider Buying Activity
The following table shows recent insider purchases of Constellium SE (CSTM) stock reported via SEC Form 4 filings.
No insider buying activity found for CSTM in the last 12 months.
CSTM Insider Selling Activity
The following table shows recent insider sales of Constellium SE (CSTM) stock reported via SEC Form 4 filings.