CONSTELLIUM SE (CSTM) — Insider Trading

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This analysis covers the filing from 2026-05-12. New 10-K, 10-Q and 8-K filings are analyzed the moment they are released — exclusively in the app.

Earlier Insider Trading filings

Filed: 2026-05-12
  • SVP of Public Affairs, Communications & Sustainability Nicolas Brun sold 26,661 ordinary shares on 05/11/2026 at a weighted average price of $33.85, reducing his direct beneficial ownership to 104,891 shares.
  • The sale was executed across multiple transactions with prices ranging from $33.79 to $34.04, suggesting a deliberate multi-tranche liquidation rather than a single market order.
  • This insider sale represents a meaningful reduction in holdings by a senior executive, though the magnitude (approximately 20% of remaining stake) does not indicate a crisis-level confidence loss.

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