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Insider selling
Marcus Becker sold $363K of Constellium Se (CSTM) stock
Marcus Becker, SVP Cpo of Constellium Se (CSTM), sold 10,391 shares of CSTM stock worth $363K, per an SEC Form 4 filed Jun 1, 2026.
It was an open-market sale.
The trade happened on May 28, 2026, 4 days before it was made public.
CSTM has moved -25.8% since the trade date, from $34.35 to $25.50 (Sep 21, 2026 close).
- Traded
- May 28, 2026
- Disclosed
- Jun 1, 2026
- Filing delay
- 4 days
- Price since
- -25.8%
- Role
- SVP Cpo
- Source
- SEC Form 4
More CSTM insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.