Old Second Bancorp Inc (OSBC) SEC Filings — 2025

Filings

• OSBC Net Income Plummets 57% Amid Soaring Credit Loss Provisions — 10-Q · Nov 6, 2025
• Old Second Bancorp Files 8-K on Financials — 8-K · Oct 22, 2025
• Old Second Bancorp Files 8-K: Other Events — 8-K · Oct 21, 2025
• Old Second Bancorp Files 8-K — 8-K · Oct 1, 2025
• Old Second Bancorp Files 8-K/A Amendment — 8-K/A · Sep 17, 2025
• Old Second Bancorp Reports Director and Officer Changes — 8-K · Sep 15, 2025
• Old Second Bancorp Shows Steady Growth in Retained Earnings — 10-Q · Aug 7, 2025
• Old Second Bancorp Files 8-K on Financials — 8-K · Jul 23, 2025
• Old Second Bancorp Files 8-K Report — 8-K · Jul 15, 2025
• Old Second Bancorp Files 8-K Report — 8-K · Jul 2, 2025
• Old Second Bancorp Reports Acquisition, Officer Changes — 8-K · Jul 1, 2025
• Old Second Bancorp Files 8-K for Regulation FD Disclosure — 8-K · Jun 18, 2025
• Old Second Bancorp Files 8-K/A Amendment — 8-K/A · Jun 3, 2025
• Old Second Bancorp Files 8-K for Bylaws and Financials — 8-K · May 28, 2025
• Old Second Bancorp Files 8-K — 8-K · May 22, 2025
• Old Second Bancorp Files 8-K — 8-K · May 20, 2025
• Old Second Bancorp Files Q1 2025 Financials — 10-Q · May 9, 2025
• Old Second Bancorp Files 8-K on Financials — 8-K · Apr 23, 2025
• Old Second Bancorp Files 2024 Executive Compensation Details — DEF 14A · Apr 18, 2025
• Old Second Bancorp Files 8-K — 8-K · Apr 15, 2025
• Old Second Bancorp Files 8-K — 8-K · Apr 1, 2025
• Old Second Bancorp Files 2024 10-K — 10-K · Mar 6, 2025
• Old Second Bancorp Files 8-K with Material Agreement — 8-K · Feb 25, 2025
• Old Second Bancorp Files 8-K on Financials — 8-K · Jan 22, 2025
• Old Second Bancorp Files 8-K Report — 8-K · Jan 21, 2025
• Old Second Bancorp Files 8-K Report — 8-K · Jan 2, 2025