{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-085505","form_type":"8-K","ticker":"PSIX","cik":"0001137091","company_name":"POWER SOLUTIONS INTERNATIONAL, INC.","filed_at":"2023-03-30T23:59:59+00:00","discovered_at":"2026-05-14T18:03:43.958855+00:00","generated_at":"2026-06-17T08:55:45.319502+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Power Solutions International appoints Jiwen Zhang as Chairman; Mozzi resigns","bullets":["Fabrizio Mozzi resigned as Chairman and from Board effective March 29, 2023; no disagreement with company.","Shaojun Sun resigned as Vice Chairman but remains on Board.","Jiwen Zhang appointed to Board and as Chairman; designee of majority stockholder Weichai America Corp.","Jiwen Zhang has over 20 years engine industry experience; currently Chairman/CEO of Weichai America.","Jiwen Zhang receives annual retainer of $75,000 (incl. $25,000 for Chairman) plus $1,500 per meeting."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-085505","json":"https://secwatch.observer/filing/0001193125-23-085505.json","markdown":"https://secwatch.observer/filing/0001193125-23-085505.md","text":"https://secwatch.observer/filing/0001193125-23-085505.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1137091/000119312523085505/0001193125-23-085505-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1137091/000119312523085505/d476939d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-17T08:55:45.319502+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":[{"claim_id":"162e399b0c","claim":"Shaojun Sun resigned as Vice Chairman of the Board at POWER SOLUTIONS INTERNATIONAL, INC..","evidence_excerpt":"Also on the Effective Date, Shaojun Sun resigned as Vice Chairman of the Board but will continue to serve as a member of the Board.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1137091/000119312523085505/0001193125-23-085505-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Vice Chairman of the Board"}],"fact_type":"executive_change"},{"claim_id":"215a6013ca","claim":"Jiwen Zhang was appointed as Chairman of the Board at POWER SOLUTIONS INTERNATIONAL, INC..","evidence_excerpt":"Further, on the Effective Date, the Board appointed Jiwen Zhang to the Board and to serve as Chairman of the Board.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1137091/000119312523085505/0001193125-23-085505-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chairman of the Board"}],"fact_type":"executive_change"},{"claim_id":"69239bf729","claim":"Fabrizio Mozzi resigned as Chairman of the Board at POWER SOLUTIONS INTERNATIONAL, INC..","evidence_excerpt":"Effective March 29, 2023 (the “Effective Date”), Fabrizio Mozzi resigned from the Board of Directors (the “Board”) of Power Solutions International, Inc. (the “Company” or “PSI”).","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1137091/000119312523085505/0001193125-23-085505-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Chairman of the Board"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}