CSTM CONSTELLIUM SEcompanySEC Filings & Insider Trading Activity 2026
Latest CONSTELLIUM SE (CSTM) SEC EDGAR filings in 2026 — including the most recent 10-K annual report filed on February 25, 2026, a 10-Q quarterly report filed on October 29, 2025, an 8-K current report filed on April 29, 2026. SignalX aggregates every new 10-K annual report, 10-Q quarterly report, 8-K current report, and Form 4 insider transaction for CONSTELLIUM SE (CSTM) (SEC CIK 1563411), with AI-powered section-by-section summaries updated daily.
Latest 2026 SEC Filing Dates
AI 10-K Annual Report AnalysisLatest 10-K (2025-12-31)
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
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
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%
AI 10-Q Quarterly Report AnalysisLatest 10-Q (2025-09-30)
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
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%
AI 8-K Current Report AnalysisRecent 8-K Filings
Item 8.01: Other Events
- • Press release filed March 12, 2026, signed by CFO Jack Guo — substantive content in Exhibit 99.1
- • Filing structure only; material details (financials or corporate event) contained in attached press release
Annual Reports Archive10-K
AI-powered analysis of CONSTELLIUM SE (CSTM) 10-K annual reports filed with SEC EDGAR.
Quarterly Reports Archive10-Q
AI-powered analysis of CONSTELLIUM SE (CSTM) 10-Q quarterly reports filed with SEC EDGAR.
Recent 8-K FilingsCurrent Reports
AI-powered analysis of CONSTELLIUM SE (CSTM) 8-K current reports disclosing material events.
Financial SummaryXBRL
| FY2021 | FY2022 | FY2023 | FY2024 | FY2025 | |
|---|---|---|---|---|---|
| Profitability | |||||
| Revenue | — | $8.5B | $7.8B | $7.3B | $8.4B |
| Net Income | — | $308.0M | $152.0M | $56.0M | $273.0M |
| Net Margin | — | 3.6% | 1.9% | 0.8% | 3.2% |
| Balance Sheet | |||||
| Total Assets | — | — | $4.9B | $4.7B | $5.4B |
| Equity | $115.0M | $603.0M | $718.0M | $706.0M | $952.0M |
| ROE | — | 51.1% | 21.2% | 7.9% | 28.7% |
Source: XBRL financial data from CONSTELLIUM SE (CSTM) 10-K filings on SEC EDGAR. All figures in USD. Key metrics include revenue, net income, gross profit, gross profit margin, operating income, EPS (diluted), total assets, stockholders' equity, return on equity (ROE), operating cash flow, and capital expenditure.
Latest 2026 SEC Filings — 10-K, 10-Q, 8-K & Form 4
| Form | Filing Date | Period | Analysis | SEC |
|---|---|---|---|---|
8-K | Apr 29, 2026 | — | — | — |
8-K | Mar 12, 2026 | — | Analysis | — |
10-K | Feb 25, 2026 | Dec 31, 2025 | Analysis | |
8-K | Feb 18, 2026 | — | — | |
10-Q | Oct 29, 2025 | Sep 30, 2025 | Analysis | |
10-Q | Jul 31, 2025 | Jun 30, 2025 | — | |
10-Q | Apr 30, 2025 | Mar 31, 2025 | — | |
10-K | Feb 28, 2025 | Dec 31, 2024 | — | |
20-F | Mar 18, 2024 | Dec 31, 2023 | — | |
20-F | Mar 14, 2023 | Dec 31, 2022 | — | |
20-F | Mar 14, 2022 | Dec 31, 2021 | — | |
20-F | Mar 17, 2021 | Dec 31, 2020 | — | |
20-F | Mar 9, 2020 | Dec 31, 2019 | — | |
20-F | Mar 11, 2019 | Dec 31, 2018 | — | |
20-F | Mar 12, 2018 | Dec 31, 2017 | — | |
20-F | Mar 21, 2017 | Dec 31, 2016 | — | |
20-F | Apr 18, 2016 | Dec 31, 2015 | — | |
20-F | Apr 24, 2015 | Dec 31, 2014 | — | |
20-F | Apr 22, 2014 | Dec 31, 2013 | — |
Frequently Asked Questions
What are the latest CSTM SEC filings in 2026?
CONSTELLIUM SE (CSTM) has filed a 10-K annual report on February 25, 2026, a 10-Q quarterly report on October 29, 2025, an 8-K current report on April 29, 2026 with the SEC. SignalX tracks every new SEC EDGAR filing daily, including 10-K, 10-Q, 8-K, and Form 4 insider transactions, with AI-powered summaries of key sections.
When did CSTM file its most recent 10-K annual report?
CONSTELLIUM SE (CSTM) filed its most recent 10-K annual report on February 25, 2026. The 10-K includes audited financial statements, business overview, risk factors, and management discussion, all available on SignalX with AI-generated summaries and XBRL financial data.
How do I view CSTM 10-Q quarterly reports?
CONSTELLIUM SE (CSTM)'s most recent 10-Q quarterly report was filed on October 29, 2025. SignalX displays every CSTM 10-Q with AI-generated summaries of the MD&A (Management Discussion & Analysis) and Risk Factors sections, plus links to the original SEC EDGAR document.
What 8-K current reports has CSTM filed recently?
CONSTELLIUM SE (CSTM)'s most recent 8-K was filed on April 29, 2026. 8-K filings disclose material corporate events such as earnings releases, executive changes, mergers, and other significant developments. SignalX surfaces each 8-K with item-level summaries so you can quickly see what happened.
Where can I find CSTM insider trading activity (Form 4)?
SignalX aggregates every CSTM Form 4 insider transaction from SEC EDGAR. Form 4 reports show when officers, directors, and 10% shareholders buy or sell company stock, with transaction code, share count, and price per share.
How often does CSTM file with the SEC?
CONSTELLIUM SE (CSTM) files a 10-K annual report once per year (typically within 60 days of fiscal year-end) and 10-Q quarterly reports three times per year. 8-K current reports are filed as needed when material events occur, and Form 4 insider transaction reports are due within two business days of a trade. SignalX monitors SEC EDGAR daily to surface every new CSTM filing with AI-powered analysis.
What is the difference between 10-K, 10-Q, and 8-K SEC filings?
A 10-K is a comprehensive annual report with audited financials, business overview, and risk factors. A 10-Q is a shorter quarterly report with unaudited financials and management discussion. An 8-K is a current report filed when a material event occurs — such as earnings releases, executive changes, acquisitions, or other significant developments. SignalX provides AI-generated summaries for all three filing types for CONSTELLIUM SE (CSTM).
What is CSTM's SEC CIK number?
CONSTELLIUM SE (CSTM)'s SEC CIK (Central Index Key) number is 1563411. The CIK is a unique identifier assigned by the SEC to every filing entity. You can use CIK 1563411 to look up all CSTM filings on SEC EDGAR, or browse them here on SignalX with AI-powered analysis.
Where can I find CSTM return on equity (ROE) and financial data?
SignalX extracts XBRL financial data from CONSTELLIUM SE (CSTM) 10-K annual filings, including revenue, net income, gross profit, operating income, EPS, total assets, stockholders' equity, and operating cash flow. Return on equity (ROE) can be derived from net income divided by stockholders' equity. Multi-year financial trends are displayed in the Financial Summary table above.
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