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EDGAR Filings (All Forms)

SEC submissions(JSON) 기반으로 모든 Form을 나열합니다. (8-K, F-1, EFFECT 등)

A. Ticker 또는 CIK로 Filings 조회

Tip: ticker만 입력해도 서버에서 CIK로 자동 변환해 조회합니다.
Resolved: AMSC → 0000880807 (AMERICAN SUPERCONDUCTOR CORP /DE/)
AMERICAN SUPERCONDUCTOR CORP /DE/
CIK: 0000880807 • Tickers: AMSC
cached: false
FiledFormAccessionPrimary DocSEC IndexSEC DocParse
2026-05-2710-K0001437749-26-018542amsc20260331_10k.htm
FORM 10-K
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2026-05-278-K0001437749-26-018539amsc20260211_8k.htm
FORM 8-K
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2026-04-29SCHEDULE 13G0002100119-26-000109xslSCHEDULE_13G_X02/primary_doc.xmlChecking…SEC DocChecking…
2026-04-0740001193125-26-145815xslF345X06/ownership.xml
4
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2026-04-0740001193125-26-145810xslF345X06/ownership.xml
4
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2026-04-0740001193125-26-145803xslF345X06/ownership.xml
4
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2026-04-0740001193125-26-145799xslF345X06/ownership.xml
4
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2026-04-0740001193125-26-145795xslF345X06/ownership.xml
4
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2026-04-0740001193125-26-145787xslF345X06/ownership.xml
4
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2026-03-26SCHEDULE 13G/A0000102909-26-000605xslSCHEDULE_13G_X02/primary_doc.xmlChecking…SEC DocChecking…
2026-02-2640001193125-26-077349xslF345X05/ownership.xml
4
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2026-02-178-K/A0001437749-26-004349amsc20260217_8ka.htm
FORM 8-K/A
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2026-02-0410-Q0001437749-26-002978amsc20251231_10q.htm
FORM 10-Q
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2026-02-048-K0001437749-26-002977amsc20251203_8k.htm
FORM 8-K
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2026-01-30SCHEDULE 13G/A0000102909-26-000102xslSCHEDULE_13G_X01/primary_doc.xmlChecking…SEC DocChecking…
2025-12-238-K0001193125-25-330930d36453d8k.htm
8-K
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2025-12-23424B70001193125-25-330851d56688d424b7.htm
424B7
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2025-12-108-K0001193125-25-314153d24846d8k.htm
8-K
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2025-11-1340001193125-25-280371xslF345X05/ownership.xml
4
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2025-11-0510-Q0001437749-25-033351amsc20250930_10q.htm
FORM 10-Q
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2025-11-058-K0001437749-25-033344amsc20250820_8k.htm
FORM 8-K
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2025-08-081440001969223-25-000589xsl144X01/primary_doc.xmlChecking…SEC DocChecking…
2025-08-0840000950170-25-105858xslF345X05/ownership.xml
4
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2025-08-0640000950170-25-104155xslF345X05/ownership.xml
4
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2025-08-0640000950170-25-104149xslF345X05/ownership.xml
4
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2025-08-0640000950170-25-104131xslF345X05/ownership.xml
4
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2025-08-041440001950047-25-005417xsl144X01/primary_doc.xmlChecking…SEC DocChecking…
2025-08-041440001950047-25-005392xsl144X01/primary_doc.xmlChecking…SEC DocChecking…
2025-07-3010-Q0001437749-25-023968amsc20250630_10q.htm
FORM 10-Q
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2025-07-308-K0001437749-25-023965amsc20250515_8k.htm
FORM 8-K
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2025-07-298-K0001437749-25-023783amsc20250728_8k.htm
FORM 8-K
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2025-06-13ARS0001193125-25-140753d920607dars.pdf
ARS
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2025-06-13DEFA14A0001193125-25-140738d874515ddefa14a.htm
DEFA14A
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2025-06-13DEF 14A0001193125-25-140726d874515ddef14a.htm
DEF 14A
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2025-06-1240000950170-25-085421xslF345X05/ownership.xml
4
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2025-06-1240000950170-25-085408xslF345X05/ownership.xml
4
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2025-06-118-K0001193125-25-139243d795155d8k.htm
FORM 8-K
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2025-06-11424B50001193125-25-139239d69533d424b5.htm
424B5
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2025-06-111440001950047-25-004129xsl144X01/primary_doc.xmlChecking…SEC DocChecking…
2025-06-111440001950047-25-004127xsl144X01/primary_doc.xmlChecking…SEC DocChecking…
2025-06-10424B50001193125-25-138450d69533d424b5.htm
424B5
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2025-06-0940000950170-25-083826xslF345X05/ownership.xml
4
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2025-06-0940000950170-25-083818xslF345X05/ownership.xml
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2025-06-061440001950047-25-003943xsl144X01/primary_doc.xmlChecking…SEC DocChecking…
2025-06-061440001950047-25-003942xsl144X01/primary_doc.xmlChecking…SEC DocChecking…
2025-05-2940000950170-25-079169xslF345X05/ownership.xml
4
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2025-05-2940000950170-25-079157xslF345X05/ownership.xml
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2025-05-2940000950170-25-079138xslF345X05/ownership.xml
4
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2025-05-2930000950170-25-079129xslF345X02/ownership.xml
3
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2025-05-271440001950047-25-003445xsl144X01/primary_doc.xmlChecking…SEC DocChecking…
Tip: forms 필터 예) 8-K,10-Q,F-1