{"schema_version":"secwatch.filing_event.v1","accession":"0000357173-26-000030","form_type":"8-K","ticker":"OSBC","cik":"0000357173","company_name":"OLD SECOND BANCORP INC","filed_at":"2026-06-25T15:00:09+00:00","discovered_at":"2026-06-25T15:01:00.695256+00:00","generated_at":"2026-06-25T15:01:18.265625+00:00","sec_items":["8.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Old Second Bancorp authorizes $61.2M share repurchase program from July 2026 to June 2027","bullets":["Board authorized up to $61.2M in share repurchases from July 1, 2026 to June 30, 2027.","New program replaces prior authorization expiring June 30, 2026.","Federal Reserve Bank of Chicago provided nonobjection to the program.","Repurchases may be via open market, 10b5-1 plans, or private transactions."],"urls":{"canonical":"https://secwatch.observer/filing/0000357173-26-000030","json":"https://secwatch.observer/filing/0000357173-26-000030.json","markdown":"https://secwatch.observer/filing/0000357173-26-000030.md","text":"https://secwatch.observer/filing/0000357173-26-000030.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/357173/000035717326000030/0000357173-26-000030-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/357173/000035717326000030/osbc-20260625x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-25T15:01:18.265625+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"}