Niklaus Schild - 09 Mar 2026 Form 4 Insider Report for CONSTELLIUM SE (CSTM)

Role
SVP CIO & CDO
Signature
/s/ Kristine Carpenter, Attorney-in-Fact for Niklaus Schild
Issuer symbol
CSTM
Transactions as of
09 Mar 2026
Net transactions value
$0
Form type
4
Filing time
11 Mar 2026, 06:29:03 UTC
Previous filing
11 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Schild Niklaus SVP CIO & CDO 300 EAST LOMBARD STREET, SUITE 1710, BALTIMORE /s/ Kristine Carpenter, Attorney-in-Fact for Niklaus Schild 11 Mar 2026 0002093309

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CSTM Ordinary shares Award +5,106 +17% $0.000000* 35,348 09 Mar 2026 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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.