Company: OSBC
Filing Date: 2025-05-06
Form Type: S-4/A
Source: 0001104659-25-045103
Chunk: 159

Company: OLD SECOND BANCORP INC
Filing Date: 2025-05-06
Form: S-4/A
Chunk 159
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2023. The increase stems from net income of $5.1 million recorded in 2024, less dividends declared and the increase in the unrealized losses in the available for sale securities portfolio. Securities The following table sets forth the amortized cost and fair value of securities, by type of security, as of December 31, 2024 and 2023: Securities Available-for-Sale Portfolio

| ​                                      
 (Dollars in thousands)                 | ​ 
 ​ | ​ 
 ​ | 2024          
 AmortizedCost |   |         |   | ​ | ​ | FairValue |   |         |   | ​ | ​ | % ofTotal |   |       |   | ​ 
 ​ | ​ 
 ​ | 2023          
 AmortizedCost |   |         |   | ​ | ​ | FairValue |   |         |   | ​ | ​ | % ofTotal |   |       |   | ​ 
 ​ |
|:---------------------------------------|:--|:--|:--------------|:--|--------:|:--|:--|:--|:----------|:--|--------:|:--|:--|:--|:----------|:--|------:|:--|:--|:--|:--------------|:--|--------:|:--|:--|:--|:----------|:--|--------:|:--|:--|:--|:----------|:--|------:|:--|:--|
| U.S. government sponsored agencies     | ​ | ​ | ​             | $ |  20,908 | ​ | ​ | ​ | ​         | $ |  19,115 | ​ | ​ | ​ | ​         | ​ |  15.5 | ​ | ​ | ​ | ​             | $ |  24,322 | ​ | ​ | ​ | ​         | $ |  22,139 | ​ | ​ | ​ | ​         | ​ |  17.5 | ​ | ​ |
| Residential mortgage-backed securities | ​ | ​ | ​             | ​ |  72,103 | ​ | ​ | ​ | ​         | ​ |  65,422 | ​ | ​ | ​ | ​         | ​ |  53.0 | ​ | ​ | ​ | ​             | ​ |  61,879 | ​ | ​ | ​ | ​         | ​ |