18 insiders reported 52 Form 4 transactions for CONSTELLIUM SE (CSTM) over the past 18 months (most recent 2026-08-03). Recent activity: Deslarzes Jean-Christophe (Director) Buy 1,490 shares, Joerg Ingrid (CEO) Sell 2,984 shares, Ormerod John (Director) Sell 8,000 shares, Becker Marcus (SVP CPO) Sell 10,391 shares, Soultz Bradley Lee (Director) Buy 2,500 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-03 | Deslarzes Jean-Christophe | Director | Buy | 1,490 | $40,588 |
| 2026-07-13 | Joerg Ingrid | CEO | Sell | 2,984 | $87,372 |
| 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 |
| 2026-05-05 | Hoffmann Philippe | President, A&T | Sell | 50,000 | $1.6M |
| 2026-05-04 | Jurkovic Philip Ryan | SVP & CHRO | Sell | 48,784 | $1.6M |
| 2026-05-04 | Corre Stephane | President, AS&I | Sell | 5,000 | $160,200 |
| 2026-05-01 | Deslarzes Jean-Christophe | Director | Buy | 1,325 | $41,247 |
| 2026-03-17 | Deslarzes Jean-Christophe | Director | Buy | 1,665 | $41,242 |
| 2026-03-17 | Becker Marcus | SVP CPO | Sell | 10,000 | $250,900 |
| 2026-03-16 | Piquier Ludovic | SVP Manuf Excellence & CTO | Buy | 5,469 | $0 |
| 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 |
Source: SEC Form 4 filings · as of 2026-08-03