Updated Jul 16, 2026 · Last SEC filing 2026-07-13
CONSTELLIUM SE (CSTM) has filed 14 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-13. 2 Form 8-K material event filings were reported by CSTM in the last 90 days. 11 Form 144 notices of proposed sale were filed for CSTM stock. InsiderAlpha tracks every CSTM SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0001563411 |
|---|
| Form 4 filings (90d) | 14 |
|---|---|
| Form 8-K filings (90d) | 2 |
| Form 144 notices (90d) | 11 |
| Latest Form 4 filing | 2026-07-13 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Joerg Ingrid | CEO | F — Tax withholding / forfeiture | 3.0K | $29.28 | $87K | SEC | |
| Ormerod John | Director | S — Open-market sale | 8.0K | $35.01 | $280K | SEC | |
| Becker Marcus | SVP CPO | S — Open-market sale | 10.4K | $34.93 | $363K | SEC | |
| Jarrett Martin | SVP Chief Innovation Officer | S — Open-market sale | 4.7K | $33.46 | $158K | SEC | |
| Soultz Bradley Lee | Director | P — Open-market purchase | 2.5K | $33.84 | $85K | SEC | |
| Piquier Ludovic | SVP Manuf Excellence & CTO | S — Open-market sale | 1.0K | $33.57 | $34K | SEC | |
| Brun Nicolas | SVP PA, Comm & Sust | S — Open-market sale | 26.7K | $33.85 | $902K | SEC | |
| Corre Stephane | President, AS&I | S — Open-market sale | 5.0K | $33.52 | $168K | SEC | |
| Brandjes Michiel | Director | S — Open-market sale | 10.4K | $31.25 | $325K | SEC | |
| Guo Jack Q. | EVP & CFO | S — Open-market sale | 25.2K | $32.62 | $822K | SEC | |
| Deslarzes Jean-Christophe | Director | P — Open-market purchase | 1.3K | $31.13 | $41K | SEC | |
| Corre Stephane | President, AS&I | S — Open-market sale | 5.0K | $32.04 | $160K | SEC | |
| Jurkovic Philip Ryan | SVP & CHRO | S — Open-market sale | 48.8K | $32.01 | $1.56M | SEC | |
| Hoffmann Philippe | President, A&T | S — Open-market sale | 50.0K | $31.92 | $1.60M | SEC | |
| Becker Marcus | SVP CPO | S — Open-market sale | 10.0K | $25.09 | $251K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for CONSTELLIUM SE (CSTM). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Corre Stephane | 2 | $328K |
| Becker Marcus | 1 | $363K |
| Hoffmann Philippe | 1 | $1.60M |
| Brun Nicolas | 1 | $902K |
| Soultz Bradley Lee | 1 | $85K |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in CSTM insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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