Old Second Bancorp, Inc. (OSBC)

In the past six months, Old Second Bancorp's stock price has trended upwards. The company exceeded Q4 2025 expectations, leading to a premarket stock increase. Management successfully completed the integration of Evergreen Bank, which was acquired on July 1, 2025. Old Second Bancorp announced a share repurchase program and declared a cash dividend. The bank reported strong financial metrics, including a 5.09% net interest margin.

Old Second Bancorp's revenue is primarily derived from net interest income. While the company has shown strong annualized revenue growth over five years, its growth has slowed over the last two years. The provided information does not explicitly detail specific seasonal fluctuations in the demand for Old Second Bancorp's banking products and services.

Old Second Bancorp, Inc. operates as the bank holding company for Old Second National Bank, providing community banking services. They offer deposit products like checking, savings, and money market accounts, and lending products including commercial, real estate, and consumer loans. Additional services include online and mobile banking, cash management, and wealth management.

Old Second Bancorp, Inc. primarily serves the suburban Chicago marketplace through Old Second National Bank, which has 63 banking centers across several Illinois counties including Cook, DeKalb, DuPage, Kane, Kendall, LaSalle, and Will. The company is headquartered in Aurora, Illinois.

Old Second Bancorp has cultivated its reputation over more than 150 years by prioritizing customer growth and community development. The successful integration of Evergreen Bank Group is likely to have positively impacted its brand reputation. The company also actively provides security resources and warnings about scams, indicating a commitment to protecting its customers and its brand integrity.

Old Second Bancorp, Inc. has 373 institutional owners and shareholders holding 68.70% of shares outstanding. Major institutional owners include BlackRock, Inc., Vanguard Group Inc, and Dimensional Fund Advisors Lp. Individual and insider ownership accounts for 3.80% of shares outstanding.