AMSC AMERICAN SUPERCONDUCTOR CORP /DE/

company

SEC Filings & Insider Trading Activity 2026

Risk Factors

• • New risk: Acquisition of Comtrafo for 300M Brazilian Real cash plus 2.4M shares, including up to 382.5M BRL earnout on EBITDA targets
• • Updated operational risk: Integration of Comtrafo and NWL acquisitions driving 21-36% revenue growth and higher R&D, SG&A expenses in FY2026
• • Legal risk: Ongoing legal/administrative proceedings with contingent liabilities reviewed quarterly; no material new liabilities disclosed
• • Market risk: Macroeconomic uncertainties from Russia-Ukraine war, tariffs, trade conflicts, and supply chain disruptions impacting business
• • Financial risk: Strong liquidity with $141.1M cash, $147.1M total cash/restricted cash; $124.6M equity raise net proceeds in June 2025 to finance Comtrafo acquisition

What are the latest AMSC SEC filings in 2026?

AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) has filed a 10-K annual report on May 27, 2026, a 10-Q quarterly report on February 4, 2026, an 8-K current report on August 5, 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 AMSC file its most recent 10-K annual report?

AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) filed its most recent 10-K annual report on May 27, 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 AMSC 10-Q quarterly reports?

AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC)'s most recent 10-Q quarterly report was filed on February 4, 2026. SignalX displays every AMSC 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 AMSC filed recently?

AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC)'s most recent 8-K was filed on August 5, 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 AMSC insider trading activity (Form 4)?

SignalX aggregates every AMSC 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 AMSC file with the SEC?

AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) 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 AMSC 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 AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC).

What is AMSC's SEC CIK number?

AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC)'s SEC CIK (Central Index Key) number is 880807. The CIK is a unique identifier assigned by the SEC to every filing entity. You can use CIK 880807 to look up all AMSC filings on SEC EDGAR, or browse them here on SignalX with AI-powered analysis.

Where can I find AMSC return on equity (ROE) and financial data?

SignalX extracts XBRL financial data from AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) 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.