Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Constellium Se (CSTM) since 2026 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Constellium Se. Table 2 shows the detailed insider transactions. This company's CIK number is 1563411.
Total stock buying since 2026: $0.
Total stock sales since 2026: $5,575,901.
Total stock option exercises since 2026: $0.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2026 | 93,750 | $0 | 214,543 | $5,575,901 | 0 | $0 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2026-03 | 93,750 | $0 | 181,273 | $4,725,519 | 0 | $0 |
| 2026-02 | 0 | $0 | 33,270 | $850,382 | 0 | $0 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2026-03-10 | Corre Stephane (President, AS&I) | Sale | 1,500 | 25.89 | 38,835 |
| 2026-03-10 | Guo Jack Q. (EVP & CFO) | Sale | 41,717 | 25.87 | 1,079,218 |
| 2026-03-10 | Hoffmann Philippe (President, A&T) | Sale | 4,728 | 25.87 | 122,313 |
| 2026-03-10 | Becker Marcus (SVP CPO) | Sale | 1,113 | 25.87 | 28,793 |
| 2026-03-10 | Jurkovic Philip Ryan (SVP & CHRO) | Sale | 29,900 | 25.87 | 773,513 |
| 2026-03-10 | Joerg Ingrid (CEO) | Sale | 4,614 | 25.87 | 119,364 |
| 2026-03-09 | Corre Stephane (President, AS&I) | Buy | 8,026 | .00 | 0 |
| 2026-03-09 | Hoffmann Philippe (President, A&T) | Buy | 71,132 | .00 | 0 |
| 2026-03-09 | Brun Nicolas (SVP PA, Comm & Sust) | Sale | 17,701 | 24.67 | 436,683 |
| 2026-03-09 | Becker Marcus (SVP CPO) | Buy | 14,592 | .00 | 0 |
| 2026-03-04 | Hoffmann Philippe (President, A&T) | Sale | 80,000 | 26.59 | 2,126,800 |
| 2026-02-27 | Corre Stephane (President, AS&I) | Sale | 3,000 | 24.69 | 74,070 |
| 2026-02-26 | Boccon-gibod Isabelle (Director) | Sale | 10,000 | 25.77 | 257,700 |
| 2026-02-25 | Corre Stephane (President, AS&I) | Sale | 3,200 | 25.71 | 82,262 |
| 2026-02-23 | Walters Stephen Charles (SVP GC & Secretary) | Sale | 1,500 | 25.39 | 38,085 |
| 2026-02-20 | Becker Marcus (SVP CPO) | Sale | 15,570 | 25.58 | 398,265 |
Insider trading activities including stock purchases, stock sales, and option exercises of CSTM listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Constellium Se (symbol CSTM, CIK number 1563411) see the Securities and Exchange Commission (SEC) website.