AMSC AMERICAN SUPERCONDUCTOR CORP /DE/
company
SEC Filings & Insider Trading Activity 2026

CIK: 880807
Information Technology
Motors & Generators 78 filings
Russell 2000

Latest AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) SEC EDGAR filings in 2026 — including the most recent 10-K annual report filed on May 21, 2025, a 10-Q quarterly report filed on February 4, 2026, an 8-K current report filed on February 17, 2026. SignalX aggregates every new 10-K annual report, 10-Q quarterly report, 8-K current report, and Form 4 insider transaction for AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) (SEC CIK 880807), with AI-powered section-by-section summaries updated daily.

10-Q: 56
10-K: 18
8-K: 4

Latest 2026 SEC Filing Dates

10-K Annual Report
May 21, 2025
10-Q Quarterly Report
Feb 4, 2026
8-K Current Report
Feb 17, 2026

AI 10-K Annual Report Analysis
Latest 10-K (2025-03-31)

Business Overview

  • Core business: Megawatt-scale power resiliency solutions leveraging proprietary smart materials and controls
  • New acquisition: Megatran Industries for $61.4M, adding engineered power conversion solutions to Grid segment
+3 more insights

Risk Factors

  • Legal risk from cybersecurity breaches under NIST framework compliance, with annual third-party penetration testing and incident response drills
  • Operational risk due to reliance on third-party vendors for cybersecurity monitoring and vulnerability assessments, critical to business continuity
+2 more insights

Management Discussion & Analysis

  • Revenue $222.8M, up 53% YoY from $145.6M, Grid $187.2M (+53%), Wind $35.6M (+51%)
  • Gross margin 28% vs 24%, Grid operating income $1.8M vs loss $6.9M, Wind operating income $3.8M vs $0.4M
+3 more insights

AI 10-Q Quarterly Report Analysis
Latest 10-Q (2025-12-31)

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
Read full Q4 2025 10-Q analysis →

Annual Reports Archive
10-K

AI-powered analysis of AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) 10-K annual reports filed with SEC EDGAR.

Quarterly Reports Archive
10-Q

AI-powered analysis of AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) 10-Q quarterly reports filed with SEC EDGAR.

Financial Summary
XBRL

FY2022FY2023FY2024FY2025
Profitability
Revenue$108.4M$106.0M$145.6M$222.8M
Gross Profit$13.5M$8.5M$35.3M$61.9M
Operating Income-$33.0M-$11.4M-$1.1M
Net Income-$35.0M-$11.1M$6.0M
Gross Margin12.4%8.0%24.2%27.8%
Op. Margin-31.1%-7.8%-0.5%
Net Margin-33.1%-7.6%2.7%
Balance Sheet
Total Assets$175.6M$232.8M$310.5M
Equity$81.8M$144.6M$197.1M
ROE-42.8%-7.7%3.1%

Source: XBRL financial data from AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) 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

FormFiling DatePeriodAnalysisSEC
8-K
Feb 17, 2026
8-K
Feb 4, 2026
10-Q
Feb 4, 2026Dec 31, 2025Analysis
8-K
Dec 23, 2025
8-K
Dec 10, 2025
10-Q
Nov 5, 2025Sep 30, 2025
10-Q
Jul 30, 2025Jun 30, 2025
10-K
May 21, 2025Mar 31, 2025Analysis
10-Q
Feb 5, 2025Dec 31, 2024
10-Q
Oct 30, 2024Sep 30, 2024
10-Q
Aug 6, 2024Jun 30, 2024
10-K
May 29, 2024Mar 31, 2024
10-Q
Jan 24, 2024Dec 31, 2023
10-Q
Nov 1, 2023Sep 30, 2023
10-Q
Aug 9, 2023Jun 30, 2023
10-K
May 31, 2023Mar 31, 2023
10-Q
Feb 1, 2023Dec 31, 2022
10-Q
Nov 1, 2022Sep 30, 2022
10-Q
Aug 3, 2022Jun 30, 2022
10-K
Jun 1, 2022Mar 31, 2022
10-Q
Feb 2, 2022Dec 31, 2021
10-Q
Nov 8, 2021Sep 30, 2021
10-Q
Aug 4, 2021Jun 30, 2021
10-K
Jun 2, 2021Mar 31, 2021
10-Q
Feb 3, 2021Dec 31, 2020

Frequently Asked Questions

What are the latest AMSC SEC filings in 2026?

AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) has filed a 10-K annual report on May 21, 2025, a 10-Q quarterly report on February 4, 2026, an 8-K current report on February 17, 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 21, 2025. 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 February 17, 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.

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