{"schema_version":"secwatch.filing_event.v1","accession":"0000357173-25-000084","form_type":"8-K","ticker":"OSBC","cik":"0000357173","company_name":"OLD SECOND BANCORP INC","filed_at":"2025-10-01T23:59:59+00:00","discovered_at":"2026-05-14T18:02:41.754690+00:00","generated_at":"2026-05-17T05:09:54.655339+00:00","sec_items":[],"event_type":"other","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"Old Second Bancorp to report Q3 2025 earnings Oct 22 after close; call Oct 23","bullets":["Q3 2025 financial results to be released after market close on October 22, 2025.","Earnings call scheduled for October 23, 2025 at 10:00 a.m. ET (9:00 a.m. CT).","Dial-in for call: 888-506-0062, Entry Code 740004; replay available until Oct 30."],"urls":{"canonical":"https://secwatch.observer/filing/0000357173-25-000084","json":"https://secwatch.observer/filing/0000357173-25-000084.json","markdown":"https://secwatch.observer/filing/0000357173-25-000084.md","text":"https://secwatch.observer/filing/0000357173-25-000084.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/357173/000035717325000084/0000357173-25-000084-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/357173/000035717325000084/tmb-20251001x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T05:09:54.655339+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"}