---
schema_version: "secwatch.filing_event.v1"
accession: "0001387131-22-005214"
form_type: "8-K"
ticker: "PPSI"
cik: "0001449792"
company_name: "PIONEER POWER SOLUTIONS, INC."
filed_at: "2022-04-25T23:59:59+00:00"
generated_at: "2026-06-26T05:00:59.147224+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Pioneer Power dismisses BDO USA LLP as auditor, no disagreements

## Summary
- Effective April 25, 2022, Pioneer Power's Audit Committee dismissed BDO USA LLP as independent auditor.
- BDO's reports for fiscal years 2020 and 2021 contained no adverse opinion or modifications.
- No disagreements or reportable events (per Item 304) occurred during the two most recent fiscal years and subsequent period.
- BDO provided a letter agreeing with the Company's disclosures, attached as Exhibit 16.1.

## SEC filing metadata
- accession: 0001387131-22-005214
- form_type: 8-K
- ticker: PPSI
- cik: 0001449792
- company_name: PIONEER POWER SOLUTIONS, INC.
- filed_at: 2022-04-25T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1449792/000138713122005214/0001387131-22-005214-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1449792/000138713122005214/ppsi-8k_042522.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001387131-22-005214
- JSON: https://secwatch.observer/filing/0001387131-22-005214.json
- Plain text: https://secwatch.observer/filing/0001387131-22-005214.txt

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