{"schema_version":"secwatch.filing_event.v1","accession":"0000357173-25-000048","form_type":"8-K","ticker":"OSBC","cik":"0000357173","company_name":"OLD SECOND BANCORP INC","filed_at":"2025-05-28T23:59:59+00:00","discovered_at":"2026-05-14T18:02:50.958550+00:00","generated_at":"2026-05-20T09:08:00.030095+00:00","sec_items":["5.03","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Old Second Bancorp doubles authorized common shares to 120M after stockholder approval","bullets":["Certificate of Amendment filed to increase authorized common stock from 60M to 120M shares.","Amendment approved by stockholders at the May 20, 2025 Annual Meeting.","No immediate impact on outstanding shares or financials disclosed."],"urls":{"canonical":"https://secwatch.observer/filing/0000357173-25-000048","json":"https://secwatch.observer/filing/0000357173-25-000048.json","markdown":"https://secwatch.observer/filing/0000357173-25-000048.md","text":"https://secwatch.observer/filing/0000357173-25-000048.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/357173/000035717325000048/0000357173-25-000048-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/357173/000035717325000048/tmb-20250523x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-20T09:08:00.030095+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":"79dfe37bcd39456d1884f32292821b914a9f18a5","claim":"OLD SECOND BANCORP INC: Filed a Certificate of Amendment to increase authorized shares of common stock from 60,000,000 to 120,000,000 (effective 2025-05-23).","evidence_excerpt":"On May 23, 2025, Old Second Bancorp, Inc. (the “Company”) filed a Certificate of Amendment to its Restated Certificate of Incorporation with the Secretary of State of Delaware to increase the number of authorized shares of the Company’s common stock from 60,000,000 to 120,000,000.","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/357173/000035717325000048/0000357173-25-000048-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"charter amendment"},{"label":"Effective","value":"2025-05-23"}],"fact_type":"governance_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}