---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-22-014033"
form_type: "8-K"
ticker: "AMSC"
cik: "0000880807"
company_name: "AMERICAN SUPERCONDUCTOR CORP /DE/"
filed_at: "2022-06-01T23:59:59+00:00"
generated_at: "2026-06-25T05:42:05.788921+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# AMSC Q4 revenue $28.3M (+33% YoY); net loss narrows to $5.0M; guides Q1 rev $23-26M

## Summary
- Q4 FY2021 revenue $28.3M vs $21.2M YoY; net loss $5.0M ($0.18/share) vs $7.6M ($0.29) YoY.
- Full FY2021 revenue $108.4M (+24.5% YoY); net loss $19.2M ($0.71/share) vs $22.7M ($0.95).
- Non-GAAP net loss: Q4 $4.7M ($0.17); FY $17.1M ($0.63); cash & equivalents $49.5M at Mar 31.
- Q1 FY2022 guidance: revenue $23-26M; non-GAAP net loss ≤$6.9M ($0.25/share); cash ≥$43M.
- Grid segment revenue drove growth; new energy power system and ship protection system sales higher.

## SEC filing metadata
- accession: 0001437749-22-014033
- form_type: 8-K
- ticker: AMSC
- cik: 0000880807
- company_name: AMERICAN SUPERCONDUCTOR CORP /DE/
- filed_at: 2022-06-01T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/880807/000143774922014033/0001437749-22-014033-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/880807/000143774922014033/amsc20220322b_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-22-014033
- JSON: https://secwatch.observer/filing/0001437749-22-014033.json
- Plain text: https://secwatch.observer/filing/0001437749-22-014033.txt

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