{"filing":{"accession_number":"0000357173-26-000030","cik":"0000357173","ticker":"OSBC","company_name":"OLD SECOND BANCORP INC","form":"8-K","filing_date":"2026-06-25","report_date":null,"primary_document":"osbc-20260625x8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/357173/000035717326000030/osbc-20260625x8k.htm"},"events":[{"id":13795,"run_id":12254,"accession_number":"0000357173-26-000030","anchor_item_number":"8.01","event_type":"dividend_distribution","event_domain":"financial","is_material":true,"confidence":0.92,"summary":"The Board authorized a new share repurchase program for up to $61.2 million of common stock from July 1, 2026 through June 30, 2027, with Federal Reserve approval. Share repurchase programs are a form of capital return to shareholders and fall within the dividend_distribution category, which encompasses share-repurchase programs as stated in the taxonomy. The $61.2 million authorization and multi-year timeframe make this material to investors assessing capital allocation and shareholder returns.","company_name":"OLD SECOND BANCORP INC","ticker":"OSBC","filing_date":"2026-06-25","form":"8-K","submitted_at":null,"items":[{"id":11045,"accession_number":"0000357173-26-000030","item_number":"8.01","item_title":null,"event_type":"dividend_distribution","event_domain":"financial","is_material":true,"confidence":0.92,"reasoning":"The Board authorized a new share repurchase program for up to $61.2 million of common stock from July 1, 2026 through June 30, 2027, with Federal Reserve approval. Share repurchase programs are a form of capital return to shareholders and fall within the dividend_distribution category, which encompasses share-repurchase programs as stated in the taxonomy. The $61.2 million authorization and multi-year timeframe make this material to investors assessing capital allocation and shareholder returns.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-06-25T15:01:41.152662+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":11045,"accession_number":"0000357173-26-000030","item_number":"8.01","item_title":null,"event_type":"dividend_distribution","event_domain":"financial","is_material":true,"confidence":0.92,"reasoning":"The Board authorized a new share repurchase program for up to $61.2 million of common stock from July 1, 2026 through June 30, 2027, with Federal Reserve approval. Share repurchase programs are a form of capital return to shareholders and fall within the dividend_distribution category, which encompasses share-repurchase programs as stated in the taxonomy. The $61.2 million authorization and multi-year timeframe make this material to investors assessing capital allocation and shareholder returns.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-06-25T15:01:41.152662+00:00","company_name":"OLD SECOND BANCORP INC","ticker":"OSBC","filing_date":"2026-06-25"}]}