American Superconductor CORP /De/ (AMSC) — SEC Filings

Overview

American Superconductor CORP /De/ (AMSC) is a publicly traded company tracked on ReadTheFiling. The most recent enriched filing is a 8-K filed on Dec 10, 2025: On December 5, 2025, American Superconductor Corporation (AMSC) entered into a material definitive agreement related to the completion of an acquisition or disposition of assets. The company also reported on unregistered sales of equity securities and other events. Specific details regarding the nat

Sentiment Summary

Across 25 filings, the sentiment breakdown is: 1 bullish, 2 bearish, 22 neutral. The dominant filing sentiment for American Superconductor CORP /De/ is neutral.

Filing Type Overview

American Superconductor CORP /De/ (AMSC) has filed 7 8-K, 6 10-Q, 2 DEF 14A, 2 10-K, 5 SC 13G/A, 3 SC 13G with the SEC between Jan 2024 to Dec 2025.

Filings by Year

2025 · 2024

Recent Filings (25)

• 8-K Filing — 8-K · Dec 23, 2025
• AMSC Files 8-K: Material Agreement, Asset Deal, Equity Sales — 8-K · Dec 10, 2025 Risk: medium
  On December 5, 2025, American Superconductor Corporation (AMSC) entered into a material definitive agreement related to the completion of an acquisition or disp
• AMSC's Revenue Soars 45% on NWL Acquisition, Equity Boosts Cash — 10-Q · Nov 5, 2025 Risk: medium
  AMERICAN SUPERCONDUCTOR CORP (AMSC) reported a net income of $4.75 million for the three months ended September 30, 2025, a slight decrease from $4.887 million
• AMSC's Q1 Loss Widens to $403K Amid Share Dilution — 10-Q · Jul 30, 2025 Risk: high
  AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) reported a net loss of $403,351 for the quarter ended June 30, 2025, a significant increase from the $0 net loss in the
• AMSC Files 8-K on Shareholder Vote and Financials — 8-K · Jul 29, 2025 Risk: low
  On July 25, 2025, American Superconductor Corporation filed an 8-K report detailing a shareholder meeting where proposals were submitted for a vote. The company
• AMSC Leans on Equity Awards to Drive Long-Term Executive Alignment — DEF 14A · Jun 13, 2025 Risk: medium
  AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) filed its DEF 14A on June 13, 2025, covering the fiscal year ending March 31, 2025. The filing indicates a continued fo
• AMSC Files 8-K: Other Events & Financials — 8-K · Jun 11, 2025 Risk: low
  On June 10, 2025, American Superconductor Corporation (AMSC) filed an 8-K report. The filing primarily concerns "Other Events" and "Financial Statements and Exh
• AMSC Reports FY25 Results: $75M Revenue, $39.9M Net Loss — 10-K · May 21, 2025 Risk: medium
  American Superconductor Corp. (AMSC) filed its 10-K for the fiscal year ending March 31, 2025. The company reported revenues of $75 million for the fiscal year
• AMSC Q3 2025: Revenue Up Slightly, Assets $75M — 10-Q · Feb 5, 2025 Risk: medium
  American Superconductor Corp (AMSC) filed its 10-Q for the period ending December 31, 2024. The company reported total assets of $75,000,000 and total liabiliti
• SC 13G/A Filing — SC 13G/A · Nov 12, 2024
• SC 13G Filing — SC 13G · Nov 8, 2024
• SC 13G Filing — SC 13G · Nov 4, 2024
• AMSC Reports Q2 2025 Results — 10-Q · Oct 30, 2024 Risk: medium
  American Superconductor Corp (AMSC) reported its Q2 2025 results for the period ending September 30, 2024. The company's net sales for the six months ended Sept
• SC 13G Filing — SC 13G · Oct 22, 2024
• AMSC Files 8-K Report — 8-K · Aug 13, 2024 Risk: low
  On August 12, 2024, American Superconductor Corporation (AMSC) filed an 8-K report detailing other events and financial statements. The filing does not disclose
• SC 13G/A Filing — SC 13G/A · Aug 9, 2024
• AMSC Files Q1 FY25 10-Q, Equity Details Revealed — 10-Q · Aug 6, 2024 Risk: low
  American Superconductor Corp (AMSC) reported its first quarter results for fiscal year 2025, ending June 30, 2024. The company's financial statements show vario
• AMSC Reports Material Definitive Agreement & Asset Deal — 8-K · Aug 5, 2024 Risk: medium
  On August 1, 2024, American Superconductor Corporation (AMSC) entered into a Material Definitive Agreement related to the completion of an acquisition or dispos
• AMSC Files Definitive Proxy Statement — DEF 14A · Jun 20, 2024 Risk: medium
  American Superconductor Corporation (AMSC) filed its definitive proxy statement on June 20, 2024, for its annual meeting of stockholders. The filing details the
• AMSC Files 2024 10-K: Revenue at $37.3M, Net Loss of $0.4M — 10-K · May 29, 2024 Risk: medium
  American Superconductor Corp. (AMSC) filed its 10-K for the fiscal year ending March 31, 2024. The company reported revenues of $37.34 million and a net loss of
• SC 13G/A Filing — SC 13G/A · Feb 14, 2024
• AMSC Changes Principal Executive Offices to Ayer, MA — 8-K · Jan 31, 2024
  American Superconductor Corporation (AMSC) filed an 8-K on January 31, 2024, reporting an event that occurred on January 30, 2024. This filing, under Item 8.01
• Baillie Gifford Amends AMSC Stake; Signals Portfolio Rebalance — SC 13G/A · Jan 30, 2024
  Baillie Gifford & Co, a prominent investment management firm, filed an amended SC 13G/A on January 30, 2024, indicating a change in their ownership of American
• Royce & Associates Holds 1.24M AMSC Shares as of Dec 31 — SC 13G/A · Jan 30, 2024
  Royce & Associates, LP, an investment firm, filed an amended SC 13G/A on January 30, 2024, disclosing its beneficial ownership in American Superconductor Corpor
• American Superconductor Corp. Files 10-Q for Period Ending December 31, 2023 — 10-Q · Jan 24, 2024 Risk: medium
  AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) filed a Quarterly Report (10-Q) with the SEC on January 24, 2024. Revenue for the nine months ended December 31, 2023,

Risk Profile

Risk Assessment: Of AMSC's 15 recent filings, 1 were flagged as high-risk, 10 as medium-risk, and 4 as low-risk. The overall risk profile suggests moderate risk with a balanced mix of positive and cautionary disclosures.

Financial Highlights

Key financial metrics from American Superconductor CORP /De/'s most recent 10-Q filing (Nov 5, 2025):

• Revenue: $138.220M
• Net Income: $11.474M
• EPS: $0.25
• Debt-to-Equity: 0.32
• Cash Position: $212.891M
• Operating Margin: 6.23%
• Total Assets: $445.603M
• Total Debt: $103.421M

Key Executives

• John W. Kosiba, Jr.

Industry Context

AMERICAN SUPERCONDUCTOR CORP (AMSC) operates in the advanced materials and energy technology sector, focusing on high-temperature superconductor wire and power solutions. The industry is characterized by significant R&D investment, long sales cycles, and a growing demand for grid modernization, renewable energy integration, and electric mobility solutions. Key trends include the increasing adoption of superconducting technologies for enhanced grid efficiency and reliability, and the development of advanced materials for energy storage and transmission.

Top Tags

financials (7) · Superconductors (3) · revenue (3) · 10-Q (3) · corporate-governance (2) · 10-K (2) · institutional-ownership (2) · amendment (2) · material-agreement (1) · asset-disposition (1)

Key Numbers

• SEC File Number: 000-19672 — Identifies the company's filing history with the SEC.
• IRS Employer Identification No.: 04-2959321 — Company's tax identification number.
• Six-month revenues: $138.220M — Increased from $94.761M in prior year, a 45.8% increase
• Six-month net income: $11.474M — Increased from $2.363M in prior year
• Three-month revenues: $65.862M — Increased from $54.471M in prior year, a 21% increase
• Three-month net income: $4.750M — Slight decrease from $4.887M in prior year
• Proceeds from public equity offering: $124.577M — Significant cash inflow during the six months ended September 30, 2025
• Cash and cash equivalents: $212.891M — As of September 30, 2025, up from $79.494M at March 31, 2025
• Six-month operating income: $8.610M — Improved from an operating loss of $4.043M in prior year
• NWL revenue contribution: $16.4M — For the three months ended September 30, 2025
• NWL net income contribution: $2.0M — For the three months ended September 30, 2025
• Common shares outstanding: 45,186,789 — As of October 31, 2025
• Net Loss: $403,351 — Increased from $0 in the prior year, indicating worsening profitability.
• Common Shares Outstanding: 45,564,273 — Increased from 39,887,536 shares, representing significant dilution.
• Additional Paid-In Capital: $45,564,273 — Increased from $45,160,922, reflecting capital raises or stock-based compensation.

Frequently Asked Questions