Company: OSBC
Filing Date: 2025-05-08
Form Type: 424B3
Source: 0001104659-25-046065
Chunk: 161

Company: OLD SECOND BANCORP INC
Filing Date: 2025-05-08
Form: 424B3
Chunk 161
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| Corporate and other securities         | ​ | ​ | ​               | ​ |     — | ​ | ​ | ​ | ​     | ​ | —     | ​ | ​ | ​ | ​                               | ​ |      — | ​ | ​ | ​ | ​     | ​ |     — | ​ | ​ | ​ | ​                               | ​ |     — | ​ | ​ | ​ | ​     | ​ |     — | ​ | ​ | ​ | ​               | ​ |     713 | ​ | ​ | ​ | ​     | ​ |     — | ​ | ​ | ​ | ​      | ​ |     713 | ​ | ​ | ​ | ​     | ​ |     — | ​ | ​ |
| Total securities available-for-sale    | ​ | ​ | ​               | $ | 1,997 | ​ | ​ | ​ | ​     | ​ | 4.00% | ​ | ​ | ​ | ​                               | $ | 13,851 | ​ | ​ | ​ | ​     | ​ | 1.93% | ​ | ​ | ​ | ​                               | $ | 5,353 | ​ | ​ | ​ | ​     | ​ | 1.87% | ​ | ​ | ​ | ​               | $ | 102,328 | ​ | ​ | ​ | ​     | ​ | 3.51% | ​ | ​ | ​ | ​      | $ | 123,529 | ​ | ​ | ​ | ​     | ​ | 3.27% | ​ | ​ |

Loans The following table presents the composition of our loan portfolio at December 31 st for the year indicated: Loan Portfolio

| (Dollars in thousands)                | ​ | ​ | 2024 |   |           |   | ​ | ​ | % ofTotal |   |       |   | ​ | ​ | 2023 |   |           |   | ​ | ​ | % ofTotal |   |       |   | ​ |
|:--------------------------------------|:--|:--|:-----|:--|----------:|:--|:--|:--|:----------|:--|------:|:--|:--|:--|:-----|:--|----------:|:--|:--|:--|:----------|:--|------:|:--|:--|
| Commercial and industrial             | ​ | ​