---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-21-018522"
form_type: "8-K"
ticker: "AMSC"
cik: "0000880807"
company_name: "AMERICAN SUPERCONDUCTOR CORP /DE/"
filed_at: "2021-08-04T23:59:59+00:00"
generated_at: "2026-06-29T22:56:42.541610+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# AMSC Q1 revenue $25.4M, up 20% YoY; net loss widens to $5.4M

## Summary
- Revenue $25.4M vs $21.2M YoY; Grid segment revenues highest ever, up >30%.
- GAAP net loss $5.4M ($0.20/shr) vs $3.4M ($0.16); non-GAAP net loss $2.7M ($0.10) vs $2.4M ($0.11).
- Cash, equivalents, securities $63.1M at June 30, down from $80.7M at March 31.
- Q2 guidance: revenue $24-27M; net loss ≤$6.7M ($0.25); non-GAAP net loss ≤$5.0M ($0.18).
- CEO says strong start; expects sequentially higher quarterly revenue.

## SEC filing metadata
- accession: 0001437749-21-018522
- form_type: 8-K
- ticker: AMSC
- cik: 0000880807
- company_name: AMERICAN SUPERCONDUCTOR CORP /DE/
- filed_at: 2021-08-04T23:59:59+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/880807/000143774921018522/0001437749-21-018522-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/880807/000143774921018522/amsc20210611_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-21-018522
- JSON: https://secwatch.observer/filing/0001437749-21-018522.json
- Plain text: https://secwatch.observer/filing/0001437749-21-018522.txt

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