# American Superconductor Corp: Form 8-K, filed Sep 21, 2026

- Company: [American Superconductor Corp](/companies/amsc.md) (CIK 880807)
- Form: 8-K
- Filed: 2026-09-21
- Accepted by EDGAR: Sep 21, 2026, 16:07 ET
- Period: 2026-09-17
- Accession: 0001437749-26-030822
- Inline XBRL: yes
- Main document: https://www.sec.gov/Archives/edgar/data/880807/000143774926030822/amsc20260921_8k.htm
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/880807/000143774926030822/

## Items reported

- Item 5.02: Departure or appointment of officers or directors

## Sections

Sections are extracted only from 10-K and 10-Q reports. Read this filing’s documents on sec.gov. https://www.sec.gov/Archives/edgar/data/880807/000143774926030822/amsc20260921_8k.htm

Filed Sep 21, 2026.
Source: SEC EDGAR, the filing index for accession 0001437749-26-030822. Last ingested by Listed: Nov 4, 2026, 17:00 ET. No prices; not investment advice.