Guo Jack Q. (CIK 2095182) reported 4 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-07). Recent activity: Sell CSTM (25,201 shares), Buy CSTM (19,690 shares), Buy CSTM (75,874 shares), Sell CSTM (41,717 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-07 | CONSTELLIUM SE (CSTM) | EVP & CFO | Sell | 25,201 | $822,057 |
| 2026-03-16 | CONSTELLIUM SE (CSTM) | EVP & CFO | Buy | 19,690 | $0 |
| 2026-03-11 | CONSTELLIUM SE (CSTM) | EVP & CFO | Buy | 75,874 | $0 |
| 2026-03-11 | CONSTELLIUM SE (CSTM) | EVP & CFO | Sell | 41,717 | $1.1M |
Source: SEC Form 4 filings · as of 2026-05-07