Quarterly Report · 10-Q
Old Second Bancorp, Inc.
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Quarterly Report
Company context
Old Second Bancorp, Inc., is a financial services company with its main headquarters located in Aurora, Illinois. The Company is the holding company of Old Second National Bank (the “Bank”), a national banking organization headquartered in Aurora, Illinois that provides commercial and retail banking services, as well as a full complement of trust and wealth management services. The Company has offices located in Cook, DeKalb, DuPage, Kane, Kendall, LaSalle and Will counties in Illinois.
Current securities
Recent company filings
- 10-Q filingNov 4, 2026
- Results of Operations and Financial ConditionOct 21, 2026
- Other EventsOct 20, 2026
- Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory ArrangementsOct 19, 2026
- SCHEDULE 13G - filed by DIMENSIONAL FUND ADVISORS LP regarding OLD SECOND BANCORP INCOct 8, 2026
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