Form 4 for CSTM CONSTELLIUM SE
Accepted 2026-03-11 00:00:00 ET · period of report 2026-03-09 · accession 0002093242-26-000002 · 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 | 2026-03-09 | CSTM | Brun Nicolas | SVP PA, Comm, Sust | S - Sale | $24.67 | -17.7K | 103.5K | -15% | -$436.7K | |
| 2026-03-11 | 2026-03-09 | CSTM | Brun Nicolas | SVP PA, Comm, Sust | A - Grant | $0.00 | +23.7K | 127.2K | +23% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Ordinary shares | 2026-03-09 | S | D | 17,701 | $24.67 | 103,466 | D | — | — | (F1) The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.63 to $24.72, inclusive. The reporting person undertakes to provide to Constellium SE, any security holder of Constellium SE, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein. |
| 2 | Common | Ordinary shares | 2026-03-09 | A | A | 23,710 | $0.00 | 127,176 | D | — | — | (F2) Represents earned non-derivative performance stock units of the Issuer granted on March 9, 2023 that contained performance-vesting requirements, which vested on March 9, 2026. |