Jack Q. Guo, EVP & CFO at CONSTELLIUM SE (CSTM), sold 41,717 shares at $25.87 ($1.1M) on 2026-03-10, disclosed to the SEC on 2026-03-11.
Open-market sale of $1.1M CSTM by EVP & CFO. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Something here stands out, but not much.