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

Role
SVP Manuf Excellence & CTO
Signature
/s/ Kristine Carpenter, Attorney-in-Fact for Ludovic Piquier
Issuer symbol
CSTM
Transactions as of
01 Jan 2026
Net transactions value
$0
Form type
3/A - Amendment
Filing time
11 Mar 2026, 06:22:14 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
Piquier Ludovic SVP Manuf Excellence & CTO 300 EAST LOMBARD STREET, SUITE 1710, BALTIMORE /s/ Kristine Carpenter, Attorney-in-Fact for Ludovic Piquier 11 Mar 2026 0002095117

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding CSTM Ordinary shares 206,894 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) 180,885 ordinary shares held by the Reporting Person as of January 1, 2026 and (ii) an aggregate of 26,009 restricted stock units which remain subject to vesting restrictions and which were inadvertently omitted from the Reporting Person's original Form 3 filing.