AMERICAN SUPERCONDUCTOR CORP /DE/

AMSC · Nasdaq · SIC 3621: Motors & Generators
339
SEC Filings

Business Summary

American Superconductor Corporation (AMSC), founded in 1987, provides megawatt-scale power resiliency solutions for electric grids, naval fleets, and wind power markets. Key products include HTS superconductor wire (Amperium), D-VAR voltage control systems, PowerModule power converters, degaussing ship protection systems, and wind turbine electrical control systems. AMSC serves utilities, industrial manufacturers, semiconductor fabs, and the U.S. and Royal Canadian Navies, with an estimated $9 billion total addressable market.

Next Earnings

Q2 FY2026 — expected 2026-07-13

Key Facts from Earnings Calls

TypeSubjectDetailQuarter
topic_mentionAMSCdiscussed_in_filing Artificial Intelligence
topic_mentionAMSCdiscussed_in_filing Data Center
topic_mentionAMSCdiscussed_in_filing Cloud Computing
topic_mentionAMSCdiscussed_in_filing Cybersecurity
topic_mentionAMSCdiscussed_in_filing Trusted Computing
topic_mentionAMSCdiscussed_in_filing Blockchain & Crypto
topic_mentionAMSCdiscussed_in_filing Semiconductor
topic_mentionAMSCdiscussed_in_filing Supply Chain
topic_mentionAMSCdiscussed_in_filing Regulation
topic_mentionAMSCdiscussed_in_filing Automotive
topic_mentionAMSCdiscussed_in_filing AI Compute
topic_mentionAMSCdiscussed_in_filing Platform & Ecosystem
topic_mentionAMSCdiscussed_in_filing Networking
topic_mentionAMSCdiscussed_in_filing Sovereign & Government
topic_mentionAMSCdiscussed_in_filing Artificial Intelligence
topic_mentionAMSCdiscussed_in_filing Data Center
topic_mentionAMSCdiscussed_in_filing Cloud Computing
topic_mentionAMSCdiscussed_in_filing Cybersecurity
topic_mentionAMSCdiscussed_in_filing Trusted Computing
topic_mentionAMSCdiscussed_in_filing Blockchain & Crypto

Annual Reports (10-K)

FiledPeriodAccessionSourceFull Text
2025-05-212025-03-310001437749-25-017986EDGAR56K words
2024-05-292024-03-310001437749-24-018602EDGAR—
2023-05-312023-03-310001437749-23-016265EDGAR—
2022-06-012022-03-310001437749-22-014035EDGAR—
2021-06-022021-03-310001437749-21-013956EDGAR—
2020-06-022020-03-310001437749-20-012276EDGAR—
2019-06-052019-03-310001437749-19-011477EDGAR—
2018-06-062018-03-310001628280-18-007644EDGAR—
2017-05-252017-03-310001628280-17-005885EDGAR—
2016-05-312016-03-310001564590-16-020115EDGAR—

Quarterly Reports (10-Q)

FiledPeriodAccessionSourceFull Text
2026-02-042025-12-310001437749-26-002978EDGAR28K words
2025-11-052025-09-300001437749-25-033351EDGAR—
2025-07-302025-06-300001437749-25-023968EDGAR—
2025-02-052024-12-310001437749-25-002900EDGAR—
2024-10-302024-09-300001437749-24-032618EDGAR—
2024-08-062024-06-300001437749-24-024886EDGAR—
2024-01-242023-12-310001437749-24-002041EDGAR—
2023-11-012023-09-300001437749-23-029753EDGAR—
2023-08-092023-06-300001437749-23-022793EDGAR—
2023-02-012022-12-310001437749-23-002270EDGAR—
2022-11-012022-09-300001437749-22-025367EDGAR—
2022-08-032022-06-300001437749-22-018630EDGAR—

Recent Current Reports (8-K)

FiledAccessionSourceFull Text
2026-02-040001437749-26-002977EDGAR5K words
2025-12-230001193125-25-330930EDGAR—
2025-12-100001193125-25-314153EDGAR—
2025-11-050001437749-25-033344EDGAR—
2025-07-300001437749-25-023965EDGAR—
2025-07-290001437749-25-023783EDGAR—
2025-06-110001193125-25-139243EDGAR—
2025-05-210001437749-25-017983EDGAR—
2025-02-050001437749-25-002901EDGAR—
2024-10-300001437749-24-032617EDGAR—

339 total filings indexed. 307 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR

Sector Peers

SCWO — 374Water Inc. AIPG — AI Technology Group Inc. FELE — FRANKLIN ELECTRIC CO INC GNRC — GENERAC HOLDINGS INC.

Tags

electric-transmission-grid electric-distribution-grid urban-grid-infrastructure wind-power solar-power u.s.-navy-and-royal-canadian-navy-marine-systems semiconductor-manufacturing industrial-manufacturing-and-critical-materials-processing renewable-energy renewable-portfolio-standards utility-grid-code-requirements-for-voltage,-power-factor,-and-dynamic-performance

Company Identity

CIK0000880807
TickerAMSC
ExchangeNasdaq
SIC3621: Motors & Generators
IncorporatedDE

Get More Data

This is the free public profile. For structured JSON with full provenance chain, use the API:

JSON Profile Stock Quote AI Readiness Report
Origin Provenance
page leaf: e8b8041beab377a168bbaf7fe29a3f8edd1f517abf62eba733a6878682613477
parent: 8011598444114f89b64791d091b1471ac49cc886973f3f4d1d3d7c4ee7e63021
content hash: 32bb7110c0b9fde3530ce4285633f6c83fd3de5414806ef841ae4df73c3097e4
signed: 2026-04-13T04:43:38.410Z
sources: 22 verified data leaves
chain: SEC.gov PEM → origin.rootz.global extraction → this page
verify: sha256(content_hash + parent + timestamp) = leaf