Nicolas Brun - 01 Jan 2026 Form 3/A - Amendment Insider Report for CONSTELLIUM SE (CSTM)

Role
SVP PA, Comm & Sust
Signature
/s/ Kristine Carpenter, Attorney-in-Fact for Nicolas Brun
Issuer symbol
CSTM
Transactions as of
01 Jan 2026
Net transactions value
$0
Form type
3/A - Amendment
Filing time
11 Mar 2026, 06:12:33 UTC
Date Of Original Report
02 Jan 2026
Next filing
11 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Brun Nicolas SVP PA, Comm & Sust 300 EAST LOMBARD STREET, SUITE 1710, BALTIMORE /s/ Kristine Carpenter, Attorney-in-Fact for Nicolas Brun 11 Mar 2026 0002093242

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding CSTM Ordinary shares 121,167 01 Jan 2026 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Amount consists of (i) 99,893 ordinary shares held by the Reporting Person as of January 1, 2026 and (ii) an aggregate of 21,274 restricted stock units which remain subject to vesting restrictions and which were inadvertently omitted from the Reporting Person's original Form 3 filing.