---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-26-018539"
form_type: "8-K"
ticker: "AMSC"
cik: "0000880807"
company_name: "AMERICAN SUPERCONDUCTOR CORP /DE/"
filed_at: "2026-05-27T20:06:43+00:00"
generated_at: "2026-05-27T20:14:20.769030+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# AMSC Q4 revenue $86.4M (+30% YoY); full-year revenue $299.2M (+34%)

## Summary
- Q4 net income $4.5M ($0.10 GAAP EPS); non-GAAP net income $14.1M ($0.31 EPS).
- Full-year GAAP net income $133.8M ($3.12 EPS) on large tax-benefit release; non-GAAP net income $158.1M ($3.68 EPS).
- 12-month backlog ~$280M, up ~40% YoY; Q4 orders approached $100M.
- Cash and equivalents $147.6M at March 31, 2026.
- Q1 FY2026 guidance: revenue >$85M, GAAP net income >$3.0M ($0.07 EPS), non-GAAP net income >$8.0M ($0.17 EPS).

## SEC filing metadata
- accession: 0001437749-26-018539
- form_type: 8-K
- ticker: AMSC
- cik: 0000880807
- company_name: AMERICAN SUPERCONDUCTOR CORP /DE/
- filed_at: 2026-05-27T20:06:43+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/880807/000143774926018539/0001437749-26-018539-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/880807/000143774926018539/amsc20260211_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-26-018539
- JSON: https://secwatch.observer/filing/0001437749-26-018539.json
- Plain text: https://secwatch.observer/filing/0001437749-26-018539.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.