{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-165466","form_type":"8-K","ticker":"PSIX","cik":"0001137091","company_name":"POWER SOLUTIONS INTERNATIONAL, INC.","filed_at":"2023-06-13T23:59:59+00:00","discovered_at":"2026-05-14T18:03:38.035467+00:00","generated_at":"2026-06-14T01:50:41.068560+00:00","sec_items":["1.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"PSI and HD Hyundai Infracore amend supply agreement: fixed 2023 pricing, extended term to 2026","bullets":["Addendum #12 sets 2023 prices for HDI engines; future years to be negotiated annually based on raw material costs and volume forecasts.","Supply agreement term extended from Dec 31, 2023 to Dec 31, 2026, with automatic one-year renewals unless 12-month notice given.","Late payment charge added for overdue invoices; confidential pricing details redacted from public filing.","Covers multiple engine models including 8.1L, 11.1L, 14.6L, 18.3L, 21.9L."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-165466","json":"https://secwatch.observer/filing/0001193125-23-165466.json","markdown":"https://secwatch.observer/filing/0001193125-23-165466.md","text":"https://secwatch.observer/filing/0001193125-23-165466.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1137091/000119312523165466/0001193125-23-165466-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1137091/000119312523165466/d474513d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-14T01:50:41.068560+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":"db8ff45179ae5fcbbfbde8f9297e931f20432e14","claim":"POWER SOLUTIONS INTERNATIONAL, INC. entered into Addendum #12 with HD Hyundai Infracore Co., Ltd. f/k/a Hyundai Doosan Infracore Co., Ltd. (\"Doosan\") (effective 2023-06-08).","evidence_excerpt":"On June 8, 2023, Power Solutions International, Inc. (the “Company”) and HD Hyundai Infracore Co., Ltd. f/k/a Hyundai Doosan Infracore Co., Ltd. (“Doosan”) entered into Addendum #12 (the “Addendum”) to the Supply Agreement, dated as of December 11, 2007 (the “Supply Agreement”), by and between Doosan and the Company, as amended from time to time.","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1137091/000119312523165466/0001193125-23-165466-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"supply"},{"label":"Counterparty","value":"HD Hyundai Infracore Co., Ltd. f/k/a Hyundai Doosan Infracore Co., Ltd. (\"Doosan\")"},{"label":"Effective","value":"2023-06-08"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}