secwatch.observer — SEC 8-K summary ====================================== Issuer: OLD SECOND BANCORP INC (OSBC) CIK: 0000357173 Form: 8-K Filed at: 2026-01-02T23:59:59+00:00 Accession: 0000357173-26-000005 Event type: other Sentiment: neutral Materiality: 0.10 LLM model: deepseek-v4-flash:cloud@v2 Old Second Bancorp to report Q4 2025 results on Jan 21, 2026 ------------------------------------------------------------ - Q4 2025 financial results to be released after market close on January 21, 2026. - Earnings call scheduled for January 22, 2026 at 10:00 a.m. ET (9:00 a.m. CT). - Webcast available on the Old Second Investor Relations website; replay accessible for one year. - No financial results or guidance provided in this filing. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/357173/000035717326000005/0000357173-26-000005-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/357173/000035717326000005/osbc-20260102x8k.htm HTML page: https://secwatch.observer/filing/0000357173-26-000005 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer