{"schema_version":"secwatch.filing_event.v1","accession":"0000357173-24-000020","form_type":"8-K","ticker":"OSBC","cik":"0000357173","company_name":"OLD SECOND BANCORP INC","filed_at":"2024-04-01T23:59:59+00:00","discovered_at":"2026-05-14T18:03:21.586728+00:00","generated_at":"2026-06-04T05:00:59.709502+00:00","sec_items":[],"event_type":"other","sentiment":"neutral","materiality_score":0.1,"calibrated_materiality_score":0.1,"confidence":"high","headline":"Old Second Bancorp schedules Q1 2024 earnings release for April 17, call on April 18","bullets":["Q1 2024 financial results to be released after market close on April 17, 2024.","Earnings call scheduled for April 18, 2024 at 11:00 a.m. ET; dial-in 888-506-0062, Entry Code 259215.","Replay available until April 25, 2024 at 877-481-4010, Replay PIN 50298.","No financial figures or guidance provided in this filing."],"urls":{"canonical":"https://secwatch.observer/filing/0000357173-24-000020","json":"https://secwatch.observer/filing/0000357173-24-000020.json","markdown":"https://secwatch.observer/filing/0000357173-24-000020.md","text":"https://secwatch.observer/filing/0000357173-24-000020.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/357173/000035717324000020/0000357173-24-000020-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/357173/000035717324000020/tmb-20240401x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-04T05:00:59.709502+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"}