{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-25-055997","form_type":"8-K","ticker":"OSS","cik":"0001394056","company_name":"ONE STOP SYSTEMS, INC.","filed_at":"2025-04-21T23:59:59+00:00","discovered_at":"2026-05-14T18:02:48.152874+00:00","generated_at":"2026-05-23T10:04:37.330957+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"negative","materiality_score":0.72,"calibrated_materiality_score":0.72,"confidence":"high","headline":"Director Joseph Manko Jr. resigns from One Stop Systems board, citing governance disputes with Chairman Potashner","bullets":["Manko resigned effective April 16, 2025, citing disagreements with corporate governance and board composition.","He opposed Chairman Kenneth Potashner's continued inclusion after two years of shareholder votes against him.","Manko's proposed board candidate was rejected from the 2025 annual meeting slate.","Manko is a large shareholder and will remain a shareholder, reserving all rights.","He cited poor governance flagged by ISS and difficulty implementing majority voting standard."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-25-055997","json":"https://secwatch.observer/filing/0000950170-25-055997.json","markdown":"https://secwatch.observer/filing/0000950170-25-055997.md","text":"https://secwatch.observer/filing/0000950170-25-055997.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1394056/000095017025055997/0000950170-25-055997-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1394056/000095017025055997/oss-20250421.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-23T10:04:37.330957+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":"f5f8d3f58a","claim":"Joseph Manko, Jr. resigned as Director at ONE STOP SYSTEMS, INC..","evidence_excerpt":"On April 16, 2025, Mr. Joseph Manko, Jr. notified the Board of Directors (the “Board”) of One Stop Systems, Inc. (the “Company”) of his resignation from the Board, effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1394056/000095017025055997/0000950170-25-055997-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}