18 insiders reported 47 Form 4 transactions for CONSTELLIUM SE (CSTM) over the past 18 months (most recent 2026-06-08). Recent activity: Ormerod John (Director) Sell 8,000 shares, Becker Marcus (SVP CPO) Sell 10,391 shares, Soultz Bradley Lee (Director) Buy 2,500 shares, Jarrett Martin (SVP Chief Innovation Officer) Sell 4,716 shares, Piquier Ludovic (SVP Manuf Excellence & CTO) Sell 1,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-08 | Ormerod John | Director | Sell | 8,000 | $280,080 |
| 2026-06-01 | Becker Marcus | SVP CPO | Sell | 10,391 | $362,958 |
| 2026-05-18 | Soultz Bradley Lee | Director | Buy | 2,500 | $84,600 |
| 2026-05-18 | Jarrett Martin | SVP Chief Innovation Officer | Sell | 4,716 | $157,797 |
| 2026-05-13 | Piquier Ludovic | SVP Manuf Excellence & CTO | Sell | 1,000 | $33,570 |
| 2026-05-12 | Brun Nicolas | SVP PA, Comm & Sust | Sell | 26,661 | $902,475 |
| 2026-05-12 | Corre Stephane | President, AS&I | Sell | 5,000 | $167,600 |
| 2026-05-07 | Brandjes Michiel | Director | Sell | 10,400 | $325,000 |
| 2026-05-07 | Guo Jack Q. | EVP & CFO | Sell | 25,201 | $822,057 |
| 2026-05-01 | Deslarzes Jean-Christophe | Director | Buy | 1,325 | $41,247 |
| 2026-03-17 | Becker Marcus | SVP CPO | Sell | 10,000 | $250,900 |
| 2026-03-17 | Deslarzes Jean-Christophe | Director | Buy | 1,665 | $41,242 |
| 2026-03-16 | Corre Stephane | President, AS&I | Buy | 7,293 | $0 |
| 2026-03-16 | Becker Marcus | SVP CPO | Buy | 3,938 | $0 |
| 2026-03-16 | Brun Nicolas | SVP PA, Comm & Sust | Buy | 4,376 | $0 |
| 2026-03-16 | Perkins Matthew B. | President, P&ARP | Buy | 10,210 | $0 |
| 2026-03-16 | Walters Stephen Charles | SVP GC & Secretary | Buy | 5,834 | $0 |
| 2026-03-16 | Joerg Ingrid | CEO | Buy | 31,358 | $0 |
| 2026-03-16 | Guo Jack Q. | EVP & CFO | Buy | 19,690 | $0 |
| 2026-03-16 | Piquier Ludovic | SVP Manuf Excellence & CTO | Buy | 5,469 | $0 |
| 2026-03-16 | Schild Niklaus | SVP CIO & CDO | Buy | 3,355 | $0 |
| 2026-03-16 | Jurkovic Philip Ryan | SVP & CHRO | Buy | 10,210 | $0 |
| 2026-03-16 | Weiler Wiebke | Director | Buy | 625 | $0 |
| 2026-03-16 | Hoffmann Philippe | President, A&T | Buy | 12,033 | $0 |
| 2026-03-12 | Corre Stephane | President, AS&I | Sell | 1,500 | $38,835 |
Source: SEC Form 4 filings · as of 2026-06-08