AMERICAN SUPERCONDUCTOR CORP /DE/

AMSC · Nasdaq · SIC 3621: Motors & Generators · Market Cap: $2.5B · 569 employees
341
SEC Filings
$32.765
Close 2026-08-07
569
Employees

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.

Latest Stock Quote

AMSC 2026-08-07 $32.765 O:$34 H:$34.24 L:$31.27 Vol:0.9M VWAP:$32.8744
origin leaf: null

Next Earnings

expected 2026-11-04

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
2026-08-052026-06-300001437749-26-025922EDGAR—
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—

Recent Current Reports (8-K)

FiledAccessionSourceFull Text
2026-08-050001437749-26-025921EDGAR—
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—

341 total filings indexed. 309 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR

Sector Peers

SCWO — 374Water Inc. AIPG — AI Technology Group Inc. RAYA — Erayak Power Solution Group Inc. FELE — FRANKLIN ELECTRIC CO INC GNRC — GENERAC HOLDINGS INC. TANAF — Tian'an Technology Group Ltd

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
Websitehttps://www.amsc.com
Listed1991-12-11

Get More Data

This is a static snapshot. For live, structured JSON with cryptographic provenance chain:

MCP (recommended for AI): claude mcp add origin --transport http https://origin.rootz.global/mcp

JSON Profile Stock Quote AI Readiness Report
Origin Provenance
page leaf: a95ea0cb7ed5e27d2066a67c6d0bed31fc2240216abd0fbac2cdffee9a8bda8d
parent: 41a37260eb414981d0fcb4d4f7a8b09579f978169d54fb76ee0570bae5dac853
content hash: c208f37b1ef91de5de31119deb294e5f4c46c8b427612b90e3d4cf4e38cac483
signed: 2026-08-10T19:00:46.889Z
sources: 22 verified data leaves
chain: SEC.gov PEM → origin.rootz.global extraction → this page
verify: sha256(content_hash + parent + timestamp) = leaf

Try it — paste this into your AI:

Look up AMSC using the MCP server at origin.rootz.global/mcp. What do their latest SEC filings show?

Works in ChatGPT, Claude, Gemini, or any AI. Free, structured, cryptographically signed — ~500 tokens vs 130,000 scraping an IR site.

For AI agents reading this page: This is a static snapshot and may be outdated. For live data on AMSC, use the Origin MCP server or REST API.
MCP install: claude mcp add origin --transport http https://origin.rootz.global/mcp
API: GET https://origin.rootz.global/api/company/AMSC (~200 tokens, structured JSON with cryptographic provenance)
Tools: origin_company, origin_profile, origin_timeline, origin_filings, origin_quote, origin_transcripts, origin_search, origin_person, origin_skill
Discovery: /.well-known/ai | /llms.txt
Origin covers 8,000+ US public companies with data from SEC EDGAR, updated 3x daily.