Key facts
- This page summarizes Stephen Charles Walters's Form 4 filing for CONSTELLIUM SE (CSTM).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 16 Mar 2026, 10:02.
Stephen Charles Walters - 12 Mar 2026 Form 4 Insider Report for CONSTELLIUM SE (CSTM)
- Reporting relationship
- SVP GC & Secretary
- Issuer ticker
- CSTM
- Reported as of
- 12 Mar 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 16 Mar 2026, 10:02:57 UTC
- Prior SEC filing
- 24 Feb 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Kristine Carpenter, Attorney-in-Fact for Stephen Walters
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Stephen Charles Walters filed Form 4 for CONSTELLIUM SE (CSTM) on 16 Mar 2026.
Change
- Previous filing in this sequence was filed on 24 Feb 2026.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0002096129
Primary reporting owner
Walters Stephen Charles
- Relationship
- SVP GC & Secretary
- Address
- 300 EAST LOMBARD STREET, SUITE 1710, BALTIMORE
- Signature
- /s/ Kristine Carpenter, Attorney-in-Fact for Stephen Walters
- Signature date
- 16 Mar 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
CSTM
transaction
Ordinary shares
Award
- Transaction value
- Shares
- +5,834
- Change %
- +30%
- Price
- $0.000000*
- Shares after
- 25,068
- Date
- 12 Mar 2026
- Ownership
- Direct
* marks a reported price that did not pass the local price check.