---
schema_version: "secwatch.filing_event.v1"
accession: "0001387131-22-004476"
form_type: "8-K"
ticker: "PPSI"
cik: "0001449792"
company_name: "PIONEER POWER SOLUTIONS, INC."
filed_at: "2022-03-31T23:59:59+00:00"
generated_at: "2026-06-26T11:56:06.455625+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Pioneer Power Q4 revenue down 35% with net loss $1.4M; backlog doubles to $22.8M; guides 50%+ revenue growth in 2022

## Summary
- Q4 2021 revenue $3.5M (-35% YoY); net loss $1.4M ($0.16/shr) vs $744k loss prior year.
- Backlog more than doubled to $22.8M at Dec 31, 2021 from $10.9M at Sep 30, 2021.
- E-BOOST launched Nov 2021; received $788k order from hotel/casino and $120k order for school bus charging in Q1 2022.
- FY2021 revenue $18.3M (-6% YoY); net loss narrowed to $2.2M from $3.0M in FY2020.
- Guides FY2022 revenue up at least 50% over 2021, margin expansion, and positive operating cash flow.

## SEC filing metadata
- accession: 0001387131-22-004476
- form_type: 8-K
- ticker: PPSI
- cik: 0001449792
- company_name: PIONEER POWER SOLUTIONS, INC.
- filed_at: 2022-03-31T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- 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/1449792/000138713122004476/0001387131-22-004476-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1449792/000138713122004476/ppsi-8k_033122.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001387131-22-004476
- JSON: https://secwatch.observer/filing/0001387131-22-004476.json
- Plain text: https://secwatch.observer/filing/0001387131-22-004476.txt

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