OLD SECOND BANCORP INC (OSBC) FY2025 10-K Annual Report

Filed: Feb 26, 2026
Financials
State Commercial BanksSEC EDGAR

OLD SECOND BANCORP INC (OSBC) 10-K annual report for fiscal year 2025, filed with SEC EDGAR on Feb 26, 2026. This page provides AI-powered analysis including business overview, management discussion & analysis (MD&A), risk factors, and key financial data such as revenue, net income, gross margin, operating margin, and return on equity (ROE) extracted from XBRL.

OLD SECOND BANCORP INC FY2025 10-K Analysis

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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OLD SECOND BANCORP INC FY2025 Key Financial Metrics
XBRL

Revenue

$355M

+19.2% YoY

Net Income

$80M

-5.8% YoY

Net Margin

22.6%

-601bp YoY

ROE

9.0%

-375bp YoY

Total Assets

$6.9B

+22.2% YoY

EPS (Diluted)

$1.62

-13.4% YoY

Operating Cash Flow

$122M

-7.0% YoY

Source: XBRL data from OLD SECOND BANCORP INC FY2025 10-K filing on SEC EDGAR. All figures in USD.

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