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
| Filed | Form | Accession | Primary Doc | SEC Index | SEC Doc | Parse |
|---|---|---|---|---|---|---|
| 2026-06-18 | ARS | 0001193125-26-275845 | d106668dars.pdf ARS | Checking… | SEC Doc | Checking… |
| 2026-06-18 | DEFA14A | 0001193125-26-275831 | d129644ddefa14a.htm DEFA14A | Checking… | SEC Doc | Checking… |
| 2026-06-18 | DEF 14A | 0001193125-26-275809 | d129644ddef14a.htm DEF 14A | Checking… | SEC Doc | Checking… |
| 2026-06-12 | 4 | 0001193125-26-269433 | xslF345X06/ownership.xml 4 | Checking… | SEC Doc | Checking… |
| 2026-06-11 | 144 | 0001950047-26-005955 | xsl144X01/primary_doc.xml | Checking… | SEC Doc | Checking… |
| 2026-06-11 | 4 | 0001193125-26-267677 | xslF345X06/ownership.xml 4 | Checking… | SEC Doc | Checking… |
| 2026-06-11 | 4 | 0001193125-26-267642 | xslF345X06/ownership.xml 4 | Checking… | SEC Doc | Checking… |
| 2026-06-11 | 144 | 0001950047-26-005923 | xsl144X01/primary_doc.xml | Checking… | SEC Doc | Checking… |
| 2026-06-10 | 4 | 0001193125-26-265996 | xslF345X06/ownership.xml 4 | Checking… | SEC Doc | Checking… |
| 2026-06-10 | 4 | 0001193125-26-265990 | xslF345X06/ownership.xml 4 | Checking… | SEC Doc | Checking… |
| 2026-06-10 | 144 | 0001949846-26-000370 | xsl144X01/primary_doc.xml | Checking… | SEC Doc | Checking… |
| 2026-06-08 | 144 | 0001950047-26-005745 | xsl144X01/primary_doc.xml | Checking… | SEC Doc | Checking… |
| 2026-06-08 | 144 | 0001950047-26-005744 | xsl144X01/primary_doc.xml | Checking… | SEC Doc | Checking… |
| 2026-06-03 | 144 | 0001950047-26-005559 | xsl144X01/primary_doc.xml | Checking… | SEC Doc | Checking… |
| 2026-06-03 | 144 | 0001950047-26-005556 | xsl144X01/primary_doc.xml | Checking… | SEC Doc | Checking… |
| 2026-06-03 | 4 | 0001193125-26-255471 | xslF345X06/ownership.xml 4 | Checking… | SEC Doc | Checking… |
| 2026-06-03 | 4 | 0001193125-26-255450 | xslF345X06/ownership.xml 4 | Checking… | SEC Doc | Checking… |
| 2026-06-02 | 144 | 0001950047-26-005517 | xsl144X01/primary_doc.xml | Checking… | SEC Doc | Checking… |
| 2026-06-02 | 144 | 0001950047-26-005472 | xsl144X01/primary_doc.xml | Checking… | SEC Doc | Checking… |
| 2026-06-02 | 8-K | 0001437749-26-019163 | amsc20260601_8k.htm FORM 8-K | Checking… | SEC Doc | Checking… |
| 2026-05-29 | SD | 0001437749-26-018910 | amsc20260529_sd.htm FORM SD | Checking… | SEC Doc | Checking… |
| 2026-05-27 | 10-K | 0001437749-26-018542 | amsc20260331_10k.htm FORM 10-K | Checking… | SEC Doc | Checking… |
| 2026-05-27 | 8-K | 0001437749-26-018539 | amsc20260211_8k.htm FORM 8-K | Checking… | SEC Doc | Checking… |
| 2026-04-29 | SCHEDULE 13G | 0002100119-26-000109 | xslSCHEDULE_13G_X02/primary_doc.xml | Checking… | SEC Doc | Checking… |
| 2026-04-07 | 4 | 0001193125-26-145815 | xslF345X06/ownership.xml 4 | Checking… | SEC Doc | Checking… |
| 2026-04-07 | 4 | 0001193125-26-145810 | xslF345X06/ownership.xml 4 | Checking… | SEC Doc | Checking… |
| 2026-04-07 | 4 | 0001193125-26-145803 | xslF345X06/ownership.xml 4 | Checking… | SEC Doc | Checking… |
| 2026-04-07 | 4 | 0001193125-26-145799 | xslF345X06/ownership.xml 4 | Checking… | SEC Doc | Checking… |
| 2026-04-07 | 4 | 0001193125-26-145795 | xslF345X06/ownership.xml 4 | Checking… | SEC Doc | Checking… |
| 2026-04-07 | 4 | 0001193125-26-145787 | xslF345X06/ownership.xml 4 | Checking… | SEC Doc | Checking… |
| 2026-03-26 | SCHEDULE 13G/A | 0000102909-26-000605 | xslSCHEDULE_13G_X02/primary_doc.xml | Checking… | SEC Doc | Checking… |
| 2026-02-26 | 4 | 0001193125-26-077349 | xslF345X05/ownership.xml 4 | Checking… | SEC Doc | Checking… |
| 2026-02-17 | 8-K/A | 0001437749-26-004349 | amsc20260217_8ka.htm FORM 8-K/A | Checking… | SEC Doc | Checking… |
| 2026-02-04 | 10-Q | 0001437749-26-002978 | amsc20251231_10q.htm FORM 10-Q | Checking… | SEC Doc | Checking… |
| 2026-02-04 | 8-K | 0001437749-26-002977 | amsc20251203_8k.htm FORM 8-K | Checking… | SEC Doc | Checking… |
| 2026-01-30 | SCHEDULE 13G/A | 0000102909-26-000102 | xslSCHEDULE_13G_X01/primary_doc.xml | Checking… | SEC Doc | Checking… |
| 2025-12-23 | 8-K | 0001193125-25-330930 | d36453d8k.htm 8-K | Checking… | SEC Doc | Checking… |
| 2025-12-23 | 424B7 | 0001193125-25-330851 | d56688d424b7.htm 424B7 | Checking… | SEC Doc | Checking… |
| 2025-12-10 | 8-K | 0001193125-25-314153 | d24846d8k.htm 8-K | Checking… | SEC Doc | Checking… |
| 2025-11-13 | 4 | 0001193125-25-280371 | xslF345X05/ownership.xml 4 | Checking… | SEC Doc | Checking… |
| 2025-11-05 | 10-Q | 0001437749-25-033351 | amsc20250930_10q.htm FORM 10-Q | Checking… | SEC Doc | Checking… |
| 2025-11-05 | 8-K | 0001437749-25-033344 | amsc20250820_8k.htm FORM 8-K | Checking… | SEC Doc | Checking… |
| 2025-08-08 | 144 | 0001969223-25-000589 | xsl144X01/primary_doc.xml | Checking… | SEC Doc | Checking… |
| 2025-08-08 | 4 | 0000950170-25-105858 | xslF345X05/ownership.xml 4 | Checking… | SEC Doc | Checking… |
| 2025-08-06 | 4 | 0000950170-25-104155 | xslF345X05/ownership.xml 4 | Checking… | SEC Doc | Checking… |
| 2025-08-06 | 4 | 0000950170-25-104149 | xslF345X05/ownership.xml 4 | Checking… | SEC Doc | Checking… |
| 2025-08-06 | 4 | 0000950170-25-104131 | xslF345X05/ownership.xml 4 | Checking… | SEC Doc | Checking… |
| 2025-08-04 | 144 | 0001950047-25-005417 | xsl144X01/primary_doc.xml | Checking… | SEC Doc | Checking… |
| 2025-08-04 | 144 | 0001950047-25-005392 | xsl144X01/primary_doc.xml | Checking… | SEC Doc | Checking… |
| 2025-07-30 | 10-Q | 0001437749-25-023968 | amsc20250630_10q.htm FORM 10-Q | Checking… | SEC Doc | Checking… |
Tip: forms 필터 예) 8-K,10-Q,F-1