CONSTELLIUM SE
CSTM · Secondary Smelting & Refining of Nonferrous Metals · 136.2M shares · +1%/yr ↑ shares · EDGAR filings ↗
Reference price $35.01 · est. market cap ~$4.8B — last insider sale, 2026-06-04 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)
Grade
B76Global high-value-added aluminum products leader posting strong returns and a sharp earnings rebound.
Strengths
- Top-quartile returns: ROE 28.7% (82.8th), ROA 5.1% (78.7th), net income up ~387% (93rd), revenue +15% (66th)
- Differentiated, hard-to-replicate aerospace/packaging/auto franchise with low debt/equity (0.04) and positive FCF
Risks
- Thin net margin (3.2%) and weak liquidity: quick ratio 0.51 (17th), current ratio 1.29 (35th)
- Cyclical end-markets (aerospace destocking, weak EU auto) and commodity/tariff exposure
Notable findings
- Strong balance sheetStrong balance sheet — $120M cash & investments
- Insider buyingInsider buying — 6 open-market buy(s) by 5 insider(s) (cluster of 5 insiders, ~$167,089, last 6mo) Form 4 ↗
- China exposure• compliance with sanction regimes and export control laws of multiple jurisdictions; • currency restrictions, currency exchange rate and interest rate fluctuations; • the potential for nationaliz
- Insider sellingInsider selling — 26 open-market sale(s) by 13 insider(s) (cluster of 13 insiders, ~$12M, last 6mo) Form 4 ↗
Quarterly revenue
Last 4 quarters · from SEC filings.
Key metrics
Net margin
3.2%
Return on equity
28.7%
Return on assets
5.1%
Revenue growth (QoQ)
11.8%
Net-income growth
387.5%
Debt / equity
0.0×
Current ratio
1.3×
Free cash flow
$159M
Tangible book value
$817M
Cash & investments
$120M
Stock comp / revenue
0.2%
Insider transactions · last 18 months
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| 2026-06-04 | Ormerod John | Sell | 8.0K | $35.01 |
| 2026-05-28 | Becker Marcus | Sell | 10K | $34.93 |
| 2026-05-14 | Jarrett Martin | Sell | 4.7K | $33.46 |
| 2026-05-14 | Soultz Bradley Lee | Buy | 2.5K | $33.84 |
| 2026-05-12 | Piquier Ludovic | Sell | 1.0K | $33.57 |
| 2026-05-11 | Brun Nicolas | Sell | 27K | $33.85 |
| 2026-05-08 | Corre Stephane | Sell | 5.0K | $33.52 |
| 2026-05-05 | Guo Jack Q. | Sell | 25K | $32.62 |
| 2026-05-05 | Brandjes Michiel | Sell | 10K | $31.25 |
| 2026-05-01 | Hoffmann Philippe | Sell | 50K | $31.92 |
| 2026-05-01 | Jurkovic Philip Ryan | Sell | 49K | $32.01 |
| 2026-05-01 | Corre Stephane | Sell | 5.0K | $32.04 |
| 2026-05-01 | Deslarzes Jean-Christophe | Buy | 1.3K | $31.13 |
| 2026-03-16 | Becker Marcus | Sell | 10K | $25.09 |
| 2026-03-12 | Piquier Ludovic | Grant | 5.5K | — |
| 2026-03-12 | Walters Stephen Charles | Grant | 5.8K | — |
| 2026-03-12 | Weiler Wiebke | Grant | 625 | — |
| 2026-03-12 | Brun Nicolas | Grant | 4.4K | — |
| 2026-03-12 | Jurkovic Philip Ryan | Grant | 10K | — |
| 2026-03-12 | Becker Marcus | Grant | 3.9K | — |
| 2026-03-12 | Joerg Ingrid | Grant | 31K | — |
| 2026-03-12 | Perkins Matthew B. | Grant | 10K | — |
| 2026-03-12 | Schild Niklaus | Grant | 3.4K | — |
| 2026-03-12 | Hoffmann Philippe | Grant | 12K | — |
| 2026-03-12 | Corre Stephane | Grant | 7.3K | — |
| 2026-03-12 | Guo Jack Q. | Grant | 20K | — |
| 2026-03-10 | Becker Marcus | Sell | 1.1K | $25.87 |
| 2026-03-10 | Corre Stephane | Sell | 1.5K | $25.89 |
| 2026-03-10 | Guo Jack Q. | Sell | 42K | $25.87 |
| 2026-03-10 | Hoffmann Philippe | Sell | 4.7K | $25.87 |
| 2026-03-10 | Jurkovic Philip Ryan | Sell | 30K | $25.87 |
| 2026-03-10 | Joerg Ingrid | Sell | 4.6K | $25.87 |
| 2026-03-09 | Becker Marcus | Buy | 15K | — |
| 2026-03-09 | Guo Jack Q. | Grant | 76K | — |
| 2026-03-09 | Jurkovic Philip Ryan | Grant | 59K | — |
| 2026-03-09 | Schild Niklaus | Grant | 5.1K | — |
| 2026-03-09 | Piquier Ludovic | Grant | 30K | — |
| 2026-03-09 | Corre Stephane | Buy | 8.0K | — |
| 2026-03-09 | Brun Nicolas | Sell | 18K | $24.67 |
| 2026-03-09 | Brun Nicolas | Grant | 24K | — |
| 2026-03-09 | Joerg Ingrid | Grant | 71K | — |
| 2026-03-09 | Hoffmann Philippe | Buy | 71K | — |
| 2026-03-04 | Hoffmann Philippe | Sell | 30K | $27.14 |
| 2026-03-04 | Hoffmann Philippe | Sell | 50K | $26.03 |
| 2026-03-02 | Deslarzes Jean-Christophe | Buy | 1.7K | $24.77 |
| 2026-02-27 | Corre Stephane | Sell | 3.0K | $24.69 |
| 2026-02-26 | Boccon-Gibod Isabelle | Sell | 10K | $25.77 |
| 2026-02-25 | Corre Stephane | Sell | 3.2K | $25.71 |
| 2026-02-23 | Walters Stephen Charles | Sell | 1.5K | $25.39 |
| 2026-02-20 | Becker Marcus | Sell | 16K | $25.58 |
All non-derivative Form 4 activity (SEC), newest first.
Notable events (8-K)
Recent filings
| Form | Filed | Period | Accession |
|---|---|---|---|
| 8-K | 2026-05-21 | 2026-05-21 | 0001563411-26-000174 ↗ |
| 10-Q | 2026-04-29 | 2026-03-31 | 0001563411-26-000155 ↗ |
| 8-K | 2026-04-29 | 2026-04-29 | 0001563411-26-000153 ↗ |
| 8-K | 2026-03-12 | 2026-03-12 | 0001563411-26-000092 ↗ |
| 10-K | 2026-02-25 | 2025-12-31 | 0001563411-26-000057 ↗ |
| 8-K | 2026-02-18 | 2026-02-18 | 0001563411-26-000047 ↗ |
| 8-K | 2025-10-29 | 2025-10-29 | 0001563411-25-000026 ↗ |
| 10-Q | 2025-10-29 | 2025-09-30 | 0001563411-25-000028 ↗ |
| 8-K | 2025-10-29 | 2025-10-29 | 0001140361-25-039646 ↗ |
| 10-Q | 2025-07-31 | 2025-06-30 | 0001563411-25-000019 ↗ |
| 8-K | 2025-07-29 | 2025-07-29 | 0001140361-25-027668 ↗ |
| 8-K | 2025-05-22 | 2025-05-15 | 0001140361-25-020147 ↗ |