CONSTELLIUM SE (CSTM) Q3 2025 10-Q Quarterly Report

Filed: Oct 29, 2025Period ending Sep 30, 2025

Materials

Secondary Smelting & Refining of Nonferrous MetalsSEC EDGAR

CONSTELLIUM SE (CSTM) 10-Q quarterly report for Q3 2025, filed with SEC EDGAR on Oct 29, 2025 for the fiscal period ending Sep 30, 2025. This page provides AI-powered analysis including management discussion & analysis (MD&A), risk factor updates, and key quarterly financial data such as revenue and net income extracted from XBRL.

CONSTELLIUM SE Q3 2025 10-Q Analysis

Management Discussion & Analysis

• Adjusted EBITDA $235M in Q3 2025 vs $127M in Q3 2024, nearly 85% increase YoY
• Net income $88M in Q3 2025 vs $8M in Q3 2024, substantial profitability improvement
• Metal price lag benefit $39M in Q3 2025 vs a $5M negative impact in Q3 2024
• No direct revenue figures disclosed in provided text for Q3 2025 or Q3 2024 comparison
• No segment or product line performance data or updated guidance mentioned in MDA excerpt

Risk Factors

• New regulatory risk: Enactment of the U.S. One Big Beautiful Bill Act ("OBBB Act") on July 4, 2025, with phased effective dates through 2027, currently no significant 2025 financial impact expected
• Materially updated tax risk: Effective tax rate rose from 29.9% in 2024 to 33.8% YTD 2025 due to France's temporary surtax increasing statutory rate from 25.82% to 29.52%
• Legal/compliance risk: Ongoing geopolitical instability including tariffs, trade wars, armed conflicts, and sanctions causing supply chain and operational uncertainty
• Operational risk: Supply chain challenges persist in commercial aerospace OEMs, partially offset by improved operational performance at Muscle Shoals and recovery in Valais, Switzerland post-flood
• Financial risk: Sharp rise in U.S. aluminum prices with Midwest premium up 276% Q3 2025 vs Q3 2024 driving cost of sales increase by 16% to $1,852 million Q3 2025

CONSTELLIUM SE Q3 2025 Quarterly Financials
XBRL

Revenue

$2.2B

▲ +3.0% QoQ

Net Income

$88M

▲ +144.4% QoQ

Net Margin

4.1%

▲ +235bp QoQ

ROE

10.4%

Total Assets

$5.4B

EPS (Diluted)

$0.62

▲ +148.0% QoQ

Operating Cash Flow

$99M

▼ -13.2% QoQ

Source: XBRL data from CONSTELLIUM SE Q3 2025 10-Q filing on SEC EDGAR. All figures in USD.

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