Short answer
AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) filed an 8-K current report with the SEC on September 21, 2026 reporting Item 5.02 (Departure/Election of Directors or Officers). Barbara G. Littlefield resigned from AMSC’s Board effective September 18, 2026.
AMERICAN SUPERCONDUCTOR CORP /DE/ 8-K event analysis
AI summary of each reported item and its exhibits
Item 5.02 · Departure/Election of Directors or Officers
- Barbara G. Littlefield resigned from AMSC’s Board effective September 18, 2026
- Board departure creates a governance vacancy and may affect committee composition
- Filing does not indicate disagreement with AMSC or a stated reason for resignation
Generated from the filing text and exhibits; verify against the original. What 8-K item codes mean
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