CSTM at a glance
CONSTELLIUM SE (CSTM, SEC CIK 1563411) filed its latest 10-K annual report on February 25, 2026, a 10-Q quarterly report on July 29, 2026, an 8-K current report on July 29, 2026 and Form 4 insider filings as recently as August 3, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.
- For the fiscal year ended December 31, 2025 (FY2025), CONSTELLIUM SE (CSTM) reported revenue of $8.4 billion (up 15.2% from FY2024) and net income of $273.0 million. Diluted EPS was $1.92.
- As of June 30, 2026, 33 institutional investment managers tracked by SignalX reported holding CONSTELLIUM SE (CSTM) shares worth $1.4 billion in 13F-HR filings.
- The most recent insider open-market purchase reported on Form 4 was by Deslarzes Jean-Christophe on August 3, 2026 of 1,490 shares at $27.24 per share.
- In the last 90 days, CSTM insiders reported 1 open-market purchase ($41K) and 0 open-market sales ($0) on Form 4, a net purchase of $41K.
Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).
- Revenue · FY2025
- $8.4B
- +15.2% vs prior year
- Insiders · 90 days
- 1 buy · 0 sells
- Net +$41K
- 13F holders
- 33 funds
- $1.4B · +0 vs prior quarter
- Latest 8-K
- Jul 29, 2026
- Item 2.02
AI 10-K Annual Report Analysis
Latest 10-K, fiscal year ended Dec 31, 2025
Business Overview
- Core business model: global producer of high value-added specialty rolled and extruded aluminum products for aerospace, packaging, automotive, and industrial sectors
- Newly emphasized: intensified focus on sustainable aluminum products with expanded recycling capabilities and innovations supporting carbon-reduction goals
- Strategic shift: U.S. listing status changed as of June 30, 2025, no longer a foreign private issuer, now fully compliant with SEC rules for domestic issuers
- R&D investment stable at $51 million in 2025, supporting advanced alloys like Airware® and automotive lightweighting technologies
- Metal supply consolidation: top 10 metal suppliers accounted for ~49% of metal purchases by volume in 2025, reflecting strong supplier relationships
Risk Factors
- Regulatory risk from evolving U.S. trade policies and tariffs initiated in 2025 impacting costs and market access
- Geopolitical risk from Russia-Ukraine conflict disrupting supply chains and market stability in key international regions
- Operational risk from flooding at Valais facility June 2024 causing production disruptions and damage
- Competitive threat from low-cost producers and emerging materials (steel, composites) in regions with lower environmental standards
- Financial risk from customer concentration with dependent dedicated facilities increasing exposure to contract non-renewal or volume loss
Management Discussion & Analysis
- Revenue $8,449M, up 15% YoY from $7,335M driven by higher shipments (+4%) and metal prices
- Operating margin (Income before tax / Revenue) 4.8% in 2025 vs 1.8% in 2024; Net income margin 3.3% vs 0.8%
- Best segment: P&ARP revenue $5,078M (+21%) and EBITDA $353M (+46%, 7% margin); Worst segment: AS&I EBITDA $72M (-3%, 5% margin)
- Operating cash flow $489M up $188M; Capex $311M; Share repurchases $115M for 8.9M shares; No dividends disclosed
- Outlook: Stable demand early 2026, benefit from auto supply shortages, focus on operational performance, cost control, and cash flow generation
AI summary of the CSTM 10-K filed . Generated from the filing text; verify against the original.View on SEC EDGARHow to read a 10-K
AI 10-Q Quarterly Report Analysis
Latest 10-Q, quarter ended Jun 30, 2026
Management Discussion & Analysis
- Quarterly revenue $2,748M, up 31% YoY from $2,103M, despite shipments declining 1% to 381kt
- Net income $148M, 5% margin vs $36M, 2% YoY; effective tax rate 30.8% vs 35.7%
- Best segment P&ARP: revenue $1,680M, up 36%; Adjusted EBITDA $165M, 10% margin vs $74M, 6%
- Weakest segment AS&I: revenue $458M, up 9%; Adjusted EBITDA $26M, 6% margin vs $18M, 4%
- Shareholder returns: $20M repurchase of 623 thousand shares; outlook optimistic despite tariff, trade and geopolitical uncertainty
Risk Factors
- No risk-factors section provided in the submitted filing excerpt
- New $300 million share-repurchase authorization effective May 21, 2026
- Share-repurchase liquidity commitment: approximately $287 million remaining at June 30, 2026
- No director or officer trading arrangements adopted or terminated during the quarter
AI summary of the CSTM 10-Q filed . Generated from the filing text; verify against the original.View on SEC EDGAR10-K vs 10-Q vs 8-K
AI 8-K Current Report Analysis
The most recent material events, by 8-K item
Item 2.02: Results of Operations and Financial Condition
- Forward-looking filing references Exhibit 99.1 and Exhibit 99.2 for fiscal-year 2026 results
- Exhibits furnished under Item 2.02, limiting Exchange Act Section 18 liability
Item 5.07: Submission of Matters to a Vote of Security Holders
- Ingrid Joerg appointed director for three years with 97,919,555 votes for
- John Ormerod re-appointed director for three years with 82,318,163 votes for versus 15,907,876 against
Item 2.02: Results of Operations and Financial Condition
- Fiscal-year 2026 results referenced through Exhibits 99.1 and 99.2
- Financial results likely contained in the exhibits, which investors should review for operating performance and outlook
AI summaries of CSTM 8-K current reports filed with the SEC. What 8-K item codes mean
SignalX for CSTM
Don't miss the next CSTM filing
- Alerts as it files. A push when CSTM files an 8-K or an insider trades.
- Fund moves. Which tracked funds opened, added or cut CSTM, by share count.
- Ask anything. An AI agent that reads every CSTM filing and answers with sources.
CSTM alerts on your phone. Follow it in the SignalX Android app.
Recent Insider Transactions (Form 4)
Latest reported trades by officers, directors and 10% owners
| Insider | Type | Date | Shares | Price |
|---|---|---|---|---|
| Deslarzes Jean-Christophe | Buy | Aug 3, 2026 | 1,490 | $27.24 |
| Joerg Ingrid | F | Jul 10, 2026 | 2,984 | $29.28 |
| Ormerod John | Sell | Jun 4, 2026 | 8,000 | $35.01 |
| Becker Marcus | Sell | May 28, 2026 | 10,391 | $34.93 |
| Soultz Bradley Lee | Buy | May 14, 2026 | 2,500 | $33.84 |
| Jarrett Martin | Sell | May 14, 2026 | 4,716 | $33.46 |
| Piquier Ludovic | Sell | May 12, 2026 | 1,000 | $33.57 |
| Brun Nicolas | Sell | May 11, 2026 | 26,661 | $33.85 |
Financial SummaryXBRL
| Metric | FY2023 | FY2024 | FY2025 | |
|---|---|---|---|---|
| Profitability | ||||
| Revenue | - | $7.3B | $8.4B | |
| Net Income | - | $56.0M | $273.0M | |
| Net Margin | - | 0.8% | 3.2% | |
| Balance Sheet | ||||
| Total Assets | - | $4.7B | $5.4B | |
| Equity | - | $706.0M | $952.0M | |
| ROE | - | 7.9% | 28.7% | |
| Per Share | ||||
| EPS | - | $0.38 | $1.92 | |
| Cash Flow | ||||
| Operating CF | - | $301.0M | $489.0M | |
| CapEx | $366.0M | $413.0M | $330.0M | |
Source: XBRL data in CONSTELLIUM SE (CSTM)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →
13F Fund Holdings: Quarterly Trend
Latest: Q2 2026Aggregate CSTM share value held by 13F filers tracked by SignalX, by quarter.
Quarterly totals table
| Quarter | Funds | Total value |
|---|---|---|
| Q2 2026 | 33 | $1.44B |
| Q1 2026 | 33 | $1.19B |
| Q4 2025 | 25 | $980.5M |
| Q3 2025 | 29 | $844.0M |
| Q2 2025 | 28 | $654.7M |
| Q1 2025 | 24 | $391.8M |
| Q4 2024 | 21 | $339.1M |
| Q3 2024 | 16 | $248.2M |
- Morgan Stanley+2.99M (+93%)
- Goldman Sachs Group+698.9K (+51%)
- Vanguard Portfolio Management LLC+464.7K (+12%)
- Wells Fargo & Co+403.7K (+424%)
- AQR Capital Management+328.1K (+16%)
- FMR LLC (Fidelity)−4.77M (-68%)
- Millennium Management−1.51M (-44%)
- D.E. Shaw & Co−1.04M (-32%)
- JPMorgan Chase & Co−905.8K (-44%)
- WESTWOOD HOLDINGS GROUP INC−302.1K (-22%)
- Blackstone Group−19.4K
Source: 13F-HR filings on SEC EDGAR (aggregated from 209 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work
CSTM filing archive
AI analysis pages for each 10-K, 10-Q and 8-K
10-K annual reports
10-Q quarterly reports
8-K current reports
Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4
| Form | Filing date | Period | Analysis | SEC |
|---|---|---|---|---|
| 4 | Aug 3, 2026 | - | - | - |
| 8-K | Jul 29, 2026 | - | Analysis | - |
| 10-Q | Jul 29, 2026 | Jun 30, 2026 | Analysis | |
| 4 | Jul 13, 2026 | - | - | - |
| 4 | Jun 8, 2026 | - | - | |
| 4 | Jun 1, 2026 | - | - | |
| 8-K | May 21, 2026 | - | Analysis | |
| 4 | May 18, 2026 | - | - | |
| 4 | May 18, 2026 | - | - | |
| 4 | May 13, 2026 | - | - | |
| 4 | May 12, 2026 | - | - | |
| 4 | May 12, 2026 | - | - | |
| 4 | May 7, 2026 | - | - | |
| 4 | May 7, 2026 | - | - | |
| 4 | May 5, 2026 | - | - | - |
| 4 | May 4, 2026 | - | - | - |
| 4 | May 4, 2026 | - | - | - |
| 4 | May 1, 2026 | - | - | - |
| 10-Q | Apr 29, 2026 | Mar 31, 2026 | Analysis | |
| 8-K | Apr 29, 2026 | - | Analysis | - |
| 4 | Mar 17, 2026 | - | - | - |
| 4 | Mar 17, 2026 | - | - | - |
| 4 | Mar 16, 2026 | - | - | - |
| 4 | Mar 16, 2026 | - | - | - |
| 4 | Mar 16, 2026 | - | - | - |
Related Materials companies
- AEM · Agnico Eagle Mines LtdGold and Silver Ores
- APD · Air ProductsIndustrial Inorganic Chemicals
- ALB · Albemarle CorporationPlastic Materials, Synth Resins & Nonvulcan Elastomers
- AA · Alcoa CorpPrimary Production of Aluminum
- AMCR · AmcorMiscellaneous Manufacturing Industries
- ABAT · AMERICAN BATTERY TECHNOLOGY CoMining & Quarrying of Nonmetallic Minerals (No Fuels)
- AMWD · AMERICAN WOODMARK CORPMillwood, Veneer, Plywood, & Structural Wood Members
- APOG · APOGEE ENTERPRISES, INC.Glass Products, Made of Purchased Glass
CSTM SEC filings: frequently asked questions
Are CSTM insiders buying or selling?
In the last 90 days, CONSTELLIUM SE (CSTM) officers, directors and 10% owners reported 1 open-market purchase worth $40,588 by 1 insider and no open-market sales on Form 4. Many insider sales are pre-planned or for taxes, so purchases usually carry more information.
Which institutions hold CSTM stock?
As of June 30, 2026, the largest CONSTELLIUM SE (CSTM) holders among the 13F filers tracked by SignalX were BlackRock ($408.0 million), Morgan Stanley ($197.1 million), Vanguard Portfolio Management LLC ($140.0 million), State Street Corp ($94.2 million), AQR Capital Management ($76.6 million). 13F-HR reports are filed up to 45 days after each quarter ends.
What was CSTM's revenue in fiscal year 2025?
For the fiscal year ended December 31, 2025 (FY2025), CONSTELLIUM SE (CSTM) reported revenue of $8.4 billion (up 15.2% from FY2024) and net income of $273.0 million. Diluted EPS was $1.92. The figures come from the XBRL data in the 10-K.
What are the main risks in CSTM's latest 10-K?
In the 10-K filed February 25, 2026, CONSTELLIUM SE (CSTM) flagged: Regulatory risk from evolving U.S. trade policies and tariffs initiated in 2025 impacting costs and market access. Geopolitical risk from Russia-Ukraine conflict disrupting supply chains and market stability in key international regions. (AI summary of the Risk Factors section.)
What did CSTM report in its latest 8-K?
CONSTELLIUM SE (CSTM) filed an 8-K on July 29, 2026 reporting Item 2.02 (Results of Operations and Financial Condition). Forward-looking filing references Exhibit 99.1 and Exhibit 99.2 for fiscal-year 2026 results.
What are the latest CSTM SEC filings?
CONSTELLIUM SE (CSTM) filed its latest 10-K annual report on February 25, 2026, a 10-Q quarterly report on July 29, 2026, an 8-K current report on July 29, 2026 and a Form 4 insider filing on August 3, 2026.
What is CSTM's SEC CIK number?
CONSTELLIUM SE (CSTM)'s SEC Central Index Key (CIK) is 1563411. EDGAR lists every CSTM filing under that number.
Ask anything about CSTM
The research agent reads CSTM's filings, financials, insider trades and 13F holders, then answers with sources.