---
schema_version: "secwatch.filing_event.v1"
accession: "0001563411-26-000153"
form_type: "8-K"
ticker: "CSTM"
cik: "0001563411"
company_name: "CONSTELLIUM SE"
filed_at: "2026-04-29T23:59:59+00:00"
generated_at: "2026-05-15T01:50:40.850621+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Constellium Q1 record Segment Adj. EBITDA $262M; raises FY26 guidance to $900-940M

## Summary
- Net income $196M vs $38M YoY; Adjusted EBITDA $359M (+93% YoY) includes $97M non-cash metal price lag.
- Record quarterly Segment Adj. EBITDA $262M; P&ARP $151M (+152% YoY), A&T $102M (+24% YoY), AS&I $24M.
- Revenue $2.5B, up 24% YoY; shipments 370K tonnes, down 1%.
- FY26 Adj. EBITDA (excl. metal price lag) guidance raised to $900-940M; FCF guidance >$275M.
- Repurchased 1.2M shares for $28M; leverage 2.2x at quarter end.

## SEC filing metadata
- accession: 0001563411-26-000153
- form_type: 8-K
- ticker: CSTM
- cik: 0001563411
- company_name: CONSTELLIUM SE
- filed_at: 2026-04-29T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1563411/000156341126000153/0001563411-26-000153-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1563411/000156341126000153/cstm-20260429.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001563411-26-000153
- JSON: https://secwatch.observer/filing/0001563411-26-000153.json
- Plain text: https://secwatch.observer/filing/0001563411-26-000153.txt

## Key facts
- Earnings Releases
  CONSTELLIUM SE reported first quarter 2026 results: revenue $2.5 billion, net income $196 million. Guidance raised.
  - Period: first quarter 2026
  - Revenue: $2.5 billion
  - Net income: $196 million
  - Guidance: raised
  - Result: reported results
  source text: reported results for the first quarter ended March 31, 2026. First quarter 2026 highlights: • Shipments of 370 thousand metric tons, down 1% compared to Q1 2025 • Revenue of $2.5 billion, up 24% compared to Q1 2025 • Net income of $196 million compared to net income of $38 million in Q1 2025 • Adjusted EBITDA of $359 million > Includes positive non-cash metal
  evidence_url: https://www.sec.gov/Archives/edgar/data/1563411/000156341126000153/0001563411-26-000153-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.