Isabelle Boccon-Gibod, Director at CONSTELLIUM SE (CSTM), sold 10,000 shares at $25.77 ($258K) on 2026-02-26, disclosed to the SEC on 2026-02-27.
Open-market sale of $258k CSTM by Director. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.