{"schema_version":"secwatch.filing_event.v1","accession":"0000357173-23-000054","form_type":"8-K","ticker":"OSBC","cik":"0000357173","company_name":"OLD SECOND BANCORP INC","filed_at":"2023-08-15T23:59:59+00:00","discovered_at":"2026-05-14T18:03:36.328765+00:00","generated_at":"2026-06-11T09:45:25.915219+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Old Second Bancorp appoints Bradley S. Adams as COO; Eccher remains CEO/Chairman","bullets":["Bradley S. Adams appointed Chief Operating Officer effective August 15, 2023.","James L. Eccher steps down as COO but continues as Chairman, President and CEO.","Adams will retain his role as Chief Financial Officer in addition to COO duties.","Compensatory arrangements for Adams are referenced from prior SEC filings, not disclosed here."],"urls":{"canonical":"https://secwatch.observer/filing/0000357173-23-000054","json":"https://secwatch.observer/filing/0000357173-23-000054.json","markdown":"https://secwatch.observer/filing/0000357173-23-000054.md","text":"https://secwatch.observer/filing/0000357173-23-000054.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/357173/000035717323000054/0000357173-23-000054-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/357173/000035717323000054/tmb-20230815x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-11T09:45:25.915219+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":"275e0c78b9","claim":"James L. Eccher changed role as Chief Operating Officer at OLD SECOND BANCORP INC.","evidence_excerpt":"James L. Eccher will no longer serve in that position effective August 15, 2023","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/357173/000035717323000054/0000357173-23-000054-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"will no longer serve"},{"label":"Role","value":"Chief Operating Officer"}],"fact_type":"executive_change"},{"claim_id":"c5201e5f69","claim":"Bradley S. Adams was appointed as Chief Operating Officer at OLD SECOND BANCORP INC.","evidence_excerpt":"appointed Bradley S. Adams to serve as the Company’s Chief Operating Officer","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/357173/000035717323000054/0000357173-23-000054-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Operating Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}