InsiderTrades

Form 4 for CSTM CONSTELLIUM SE

Accepted 2026-03-11 00:00:00 ET · period of report 2026-03-09 · accession 0001563411-26-000085 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2026-03-11 2026-03-10 CSTM Hoffmann Philippe Pres, A, T S - Sale $25.87 -4,728 182.1K -3% -$122.3K
2026-03-11 2026-03-09 CSTM Hoffmann Philippe Pres, A, T P - Purchase $0.00 +71.1K 186.8K +61% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Ordinary shares 2026-03-10 S D 4,728 $25.87 182,120 D — —
2 Common Ordinary shares 2026-03-09 P A 71,132 $0.00 186,848 D — — (F1) Represents earned non-derivative performance stock units of Constellium SE (the "Issuer") granted on March 9, 2023 that contained performance-vesting requirements, which vested on March 9, 2026.