{"schema_version":"secwatch.filing_event.v1","accession":"0001493152-24-047013","form_type":"8-K","ticker":"PPSI","cik":"0001449792","company_name":"PIONEER POWER SOLUTIONS, INC.","filed_at":"2024-11-20T23:59:59+00:00","discovered_at":"2026-05-14T18:03:08.475621+00:00","generated_at":"2026-05-29T21:44:07.707476+00:00","sec_items":["2.02","4.01","9.01"],"event_type":"other_material","sentiment":"negative","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"medium","headline":"Pioneer Power dismisses auditor Marcum, cites material weaknesses; Q3 earnings call held","bullets":["Audit committee dismissed Marcum LLP as independent auditor effective Nov 14, 2024.","Marcum's prior reports were unqualified except for restatement paragraph; no disagreements.","Material weaknesses reported: revenue recognition for complex transactions and inventory accounting.","Q3 2024 earnings call held; financial results and Q4 2024/FY 2025 guidance discussed but no specific figures in filing.","Company provided Marcum's response letter as Exhibit 16.1."],"urls":{"canonical":"https://secwatch.observer/filing/0001493152-24-047013","json":"https://secwatch.observer/filing/0001493152-24-047013.json","markdown":"https://secwatch.observer/filing/0001493152-24-047013.md","text":"https://secwatch.observer/filing/0001493152-24-047013.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1449792/000149315224047013/0001493152-24-047013-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1449792/000149315224047013/form8-k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-29T21:44:07.707476+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}