Jarrett Martin 4

What Happened
Jarrett Martin, SVP & Chief Innovation Officer of Constellium SE, sold 4,716 shares of CSTM in an open-market transaction on May 14, 2026. The weighted-average sale price was $33.46 per share, producing proceeds of approximately $157,797. This was a sale (disposition), which is typically a routine insider sale rather than a bullish purchase signal.

Key Details

• Transaction date: 2026-05-14 (reported on Form 4 filed 2026-05-18). Filing appears timely (within the SEC’s 2-business-day window).
• Transaction type: Open-market sale (Code S).
• Shares sold: 4,716; weighted-average price: $33.46; proceeds: ~$157,797.
• Price range: sales occurred at prices from $33.41 to $33.55 (footnote states weighted average; detailed per-trade breakdown available on request).
• Shares owned after the transaction: Not specified in this filing.
• No 10b5-1 plan, tax-withholding, gift notation, or option exercise was indicated in the disclosed transaction.

Context
Sales by executives can reflect many reasons (diversification, liquidity needs, tax planning) and do not by themselves signal company prospects. Purchases are generally considered a stronger positive signal. If you want the exact per-trade breakdown within the $33.41–$33.55 range, the reporting person has offered to provide that information upon request to Constellium, any shareholder, or the SEC staff.