Matthew B. Perkins - 01 Jan 2026 Form 3/A - Amendment Insider Report for CONSTELLIUM SE (CSTM)

Role
President, P&ARP
Signature
/s/ Kristine Carpenter, Attorney-in-Fact for Matthew Perkins
Issuer symbol
CSTM
Transactions as of
01 Jan 2026
Net transactions value
$0
Form type
3/A - Amendment
Filing time
11 Mar 2026, 06:20:52 UTC
Date Of Original Report
02 Jan 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Perkins Matthew B. President, P&ARP 300 EAST LOMBARD STREET, SUITE 1710, BALTIMORE /s/ Kristine Carpenter, Attorney-in-Fact for Matthew Perkins 11 Mar 2026 0002092957

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding CSTM Ordinary shares 23,002 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 an aggregate of 23,002 restricted stock units which remain subject to vesting restrictions and which were inadvertently omitted from the Reporting Person's original Form 3 filing.