# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001437749-26-018542
Filing Date
2026-05-27
Accepted
2026-05-27 16:09:24
Documents
129
Period of Report
2026-03-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | FORM 10-K | amsc20260331_10k.htm iXBRL | 10-K | 2516007
2 | EXHIBIT 21.1 | ex_919730.htm | EX-21.1 | 5647
3 | EXHIBIT 23.1 | ex_919731.htm | EX-23.1 | 2944
4 | EXHIBIT 31.1 | ex_919732.htm | EX-31.1 | 13403
5 | EXHIBIT 31.2 | ex_919733.htm | EX-31.2 | 15430
6 | EXHIBIT 32.1 | ex_919734.htm | EX-32.1 | 7256
7 | EXHIBIT 32.2 | ex_919735.htm | EX-32.2 | 7147
13 |  | stockchart.jpg | GRAPHIC | 46956
| Complete submission text file | 0001437749-26-018542.txt |  | 13539395

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
8 | XBRL TAXONOMY EXTENSION SCHEMA | amsc-20260331.xsd | EX-101.SCH | 112961
9 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE | amsc-20260331_cal.xml | EX-101.CAL | 109442
10 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE | amsc-20260331_def.xml | EX-101.DEF | 758487
11 | XBRL TAXONOMY EXTENSION LABEL LINKBASE | amsc-20260331_lab.xml | EX-101.LAB | 664917
12 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE | amsc-20260331_pre.xml | EX-101.PRE | 828264
133 | EXTRACTED XBRL INSTANCE DOCUMENT | amsc20260331_10k_htm.xml | XML | 2353511

Mailing Address SIXTY FOUR JACKSON ROAD DEVENS MA 01434
Business Address SIXTY FOUR JACKSON ROAD DEVENS MA 01434 9788423000
AMERICAN SUPERCONDUCTOR CORP /DE/ (Filer) CIK: 0000880807 (see all company filings)

EIN.: 042959321 | State of Incorp.: DE | Fiscal Year End: 0331
Type: 10-K | Act: 34 | File No.: 000-19672 | Film No.: 261026227
SIC: 3621 Motors & Generators
(CF Office: 04 Manufacturing)