OSBC OLD SECOND BANCORP INC

FY2025 10-K
Filed: Feb 26, 2026
Financials
State Commercial BanksSEC EDGAR

OLD SECOND BANCORP INC (OSBC) filed its fiscal year 2025 10-K annual report with the SEC on Feb 26, 2026. This page provides AI-powered analysis of the filing, including business overview, management discussion, risk factors, and key financial metrics from XBRL data.

AI Filing Analysis
FY2025 10-K

Business Overview

  • Core business model: Regional bank focused on loan origination, securities investments, and managing cash flows through interest margins
  • New emphasis on post-acquisition integration: Bancorp Financial acquisition generated $10.5M net cash inflow in 2025, following $237.4M inflow from FRME branch purchase in 2024
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Management Discussion & Analysis

  • Revenue $339.3M including adjustments, up $45.3M or 15.8% from $294.0M in 2024 driven by net interest and noninterest income growth
  • Operating efficiency ratio 57.91% GAAP vs 54.36% in 2024, adjusted efficiency ratio stable at 53.15% vs 53.22% indicating margin pressure from higher expenses
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Risk Factors

  • Regulatory risk: OCC may impose restrictions on commercial real estate loans above 300% of capital, with loans at 220.3% of Tier 1 capital plus ACL as of Dec 31, 2025
  • Macroeconomic risk: Illinois state fiscal challenges may trigger tax hikes, reduce business vitality, or cause firms to leave, impacting bank's Chicago suburbs concentration
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