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Old Second Bancorp
Old Second Bancorp (OSBC) investor relations material
Old Second Bancorp Q4 2025 earnings summary
Complete event summary combining all related documents: earnings call transcript, report, and slide presentation.Q4 2025 earnings summary22 Jan, 2026
Executive summary
Reported GAAP net income of $28.8 million ($0.54 per diluted share) for Q4 2025, up from $9.9 million in Q3 2025 and $19.1 million in Q4 2024; adjusted net income was $30.8 million ($0.58 per share), reflecting higher core earnings and excluding notable items.
Return on average tangible common equity was 16.15%, with adjusted return at 17.23%; tax equivalent efficiency ratio was 53.98% (GAAP) and 51.28% (adjusted).
Integration of recent acquisitions and core systems conversion completed, with strong operational performance and optimism for 2026.
Results benefited from lower acquisition costs, reduced provision for credit losses, and decreased noninterest expense.
Financial highlights
Net interest margin (NIM) was 5.09% for Q4 2025, up 4 basis points sequentially and 41 basis points year-over-year.
Net interest and dividend income for Q4 2025 was $83.1 million, up 0.3% sequentially and 34.9% year-over-year.
Total loans decreased $12.4 million from last quarter, but ended Q4 2025 at $5.25 billion, up $1.27 billion year-over-year, mainly from the Bancorp Financial acquisition.
Allowance for credit losses on loans was $72.3 million (1.38% of total loans), down from $75 million (1.43%) last quarter; allowance to total loans was 1.4% at quarter-end.
Non-interest income increased $544,000 year-over-year, with notable growth in wealth management and deposit service fees; noninterest income was $12.2 million, up 4.7% year-over-year.
Total non-interest expenses declined $10.2 million from the prior quarter, mainly due to lower acquisition-related costs; noninterest expense dropped 16.2% sequentially to $52.9 million.
Outlook and guidance
Targeting mid-single digit loan growth for 2026; Powersports vertical expected to grow slightly less.
Expense growth projected at approximately 3% year-over-year, with some tail-end cost savings from integration expected in 2026.
Net interest margin expected to remain around 5% for the full year 2026, with modest potential decline in Q1.
Share repurchase program anticipated to begin soon, with opportunistic approach.
Management expects continued strong core earnings and profitability, with optimism for further growth in 2026 due to improved loan and deposit spreads and balance sheet flexibility.
Detail Q4 nonperforming loan drivers
Explain Q4 deposit decline and strategy
Adjusted efficiency ratio improvement drivers
Powersports portfolio outlook for 2026
Deposit funding strategy: $300-400M replacement
Buyback timing and capital allocation strategy
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Next Old Second Bancorp earnings date
Q1 202623 Apr, 2026
Old Second Bancorp
Next Old Second Bancorp earnings date
Q1 202623 Apr, 2026
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Frequently asked questions
Old Second Bancorp Inc is a bank holding company providing a range of commercial and retail banking services through its subsidiary, Old Second National Bank. The company offers deposit products, loans, trust and wealth management services primarily in the Chicago metropolitan area. It serves both individual and business clients through branch locations and digital banking. Old Second Bancorp Inc is headquartered in Aurora, Illinois, and its shares are listed on the NASDAQ.
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