CSTM Constellium N.V.
Constellium N.V. (CSTM) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
How much of that selling was preplanned? 0% planned / 100% discretionary
Largest single sale: $1.6M.
Where they traded
Last open-market purchase: August 3, 2026 , by Deslarzes Jean-Christophe .
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| Deslarzes Jean-Christophe | Director | Buy | 1,490 | $27.24 | $40.6K | 43,515 | |
| Ormerod John | Director | Sell | 8,000 | $35.01 | $280.1K | 24,873 −24.3% of holding | |
| Becker Marcus | SVP CPO | Sell | 10,391 | $34.93 | $363.0K | 16,784 −38.2% of holding | |
| Jarrett Martin | SVP Chief Innovation Officer | Sell | 4,716 | $33.46 | $157.8K | 15,375 −23.5% of holding | |
| Soultz Bradley Lee | Director | Buy | 2,500 | $33.84 | $84.6K | 2,500 | |
| Piquier Ludovic | SVP Manuf Excellence & CTO | Sell | 1,000 | $33.57 | $33.6K | 241,713 −0.4% of holding | |
| Brun Nicolas | SVP PA, Comm & Sust | Sell | 26,661 | $33.85 | $902.5K | 104,891 −20.3% of holding | |
| Corre Stephane | President, AS&I | Sell | 5,000 | $33.52 | $167.6K | 62,313 −7.4% of holding | |
| Guo Jack Q. | EVP & CFO | Sell | 25,201 | $32.62 | $822.1K | 185,368 −12% of holding | |
| Brandjes Michiel | Director | Sell | 10,400 | $31.25 | $325.0K | 41,600 −20% of holding | |
| Hoffmann Philippe | President, A&T | Sell | 50,000 | $31.92 | $1.6M | 144,153 −25.8% of holding | |
| Jurkovic Philip Ryan | SVP & CHRO | Sell | 48,784 | $32.01 | $1.6M | 172,149 −22.1% of holding | |
| Corre Stephane | President, AS&I | Sell | 5,000 | $32.04 | $160.2K | 67,313 −6.9% of holding | |
| Deslarzes Jean-Christophe | Director | Buy | 1,325 | $31.13 | $41.2K | 42,025 | |
| Becker Marcus | SVP CPO | Sell | 10,000 | $25.09 | $250.9K | 27,175 −26.9% of holding | |
| Guo Jack Q. | EVP & CFO | Sell | 41,717 | $25.87 | $1.1M | 190,879 −17.9% of holding | |
| Jurkovic Philip Ryan | SVP & CHRO | Sell | 29,900 | $25.87 | $773.5K | 210,723 −12.4% of holding | |
| Hoffmann Philippe | President, A&T | Sell | 4,728 | $25.87 | $122.3K | 182,120 −2.5% of holding | |
| Joerg Ingrid | CEO | Sell | 4,614 | $25.87 | $119.4K | 378,090 −1.2% of holding | |
| Corre Stephane | President, AS&I | Sell | 1,500 | $25.89 | $38.8K | 65,020 −2.3% of holding | |
| Becker Marcus | SVP CPO | Sell | 1,113 | $25.87 | $28.8K | 33,237 −3.2% of holding | |
| Brun Nicolas | SVP PA, Comm & Sust | Sell | 17,701 | $24.67 | $436.7K | 103,466 −14.6% of holding | |
| Hoffmann Philippe | President, A&T | Buy | 71,132 | $0.00 | $0 | 186,848 | |
| Corre Stephane | President, AS&I | Buy | 8,026 | $0.00 | $0 | 66,520 | |
| Becker Marcus | SVP CPO | Buy | 14,592 | $0.00 | $0 | 34,350 | |
| Hoffmann Philippe 2 fills | President, A&T | Sell | 80,000 | $26.45 | $2.1M | 85,425 −48.4% of holding | |
| Deslarzes Jean-Christophe | Director | Buy | 1,665 | $24.77 | $41.2K | 40,700 | |
| Corre Stephane | President, AS&I | Sell | 3,000 | $24.69 | $74.1K | 44,444 −6.3% of holding | |
| Boccon-Gibod Isabelle | Director | Sell | 10,000 | $25.77 | $257.7K | 23,000 −30.3% of holding | |
| Corre Stephane | President, AS&I | Sell | 3,200 | $25.71 | $82.3K | 47,444 −6.3% of holding | |
| Walters Stephen Charles | SVP GC & Secretary | Sell | 1,500 | $25.39 | $38.1K | None left | |
| Becker Marcus | SVP CPO | Sell | 15,570 | $25.58 | $398.3K | None left |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.