Company: OSBC
Filing Date: 2025-05-06
Form Type: S-4/A
Source: 0001104659-25-045103
Chunk: 231

Company: OLD SECOND BANCORP INC
Filing Date: 2025-05-06
Form: S-4/A
Chunk 231
---
 Value on a Recurring Basis

The following tables summarize assets and liabilities measured at fair value on a recurring basis as of December 31, segregated by the level of the valuation inputs within the fair value hierarchy utilized to measure fair value:

<div align='center'>F-34</div>

TABLE OF CONTENTS

Bancorp Financial, Inc. and Subsidiary Notes to Consolidated Financial Statements Note 13. Fair Value Measurements (continued)

| ​                                      
 ​                                      | ​ 
 ​ | ​ 
 ​ | Fair Value Measurements at December 31, 2024 Using 
 December 31,2024                                   |   |            |   | ​ | ​ | Quoted Prices inActive Markets forIdentical Assets(Level 1) |   |   |   | ​ | ​ | Significant OtherObservableInputs(Level 2) |   |            |   | ​ | ​ | Significant OtherUnobservableInputs(Level 3) |   |   |   | ​ 
 ​ |
|:---------------------------------------|:--|:--|:---------------------------------------------------|:--|-----------:|:--|:--|:--|:------------------------------------------------------------|:--|:--|:--|:--|:--|:-------------------------------------------|:--|-----------:|:--|:--|:--|:---------------------------------------------|:--|:--|:--|:--|
| Securities available for sale:         | ​ | ​ | ​                                                  | ​ |          ​ | ​ | ​ | ​ | ​                                                           | ​ | ​ | ​ | ​ | ​ | ​                                          | ​ |          ​ | ​ | ​ | ​ | ​                                            | ​ | ​ | ​ | ​ |
| U.S. government sponsored agencies     | ​ | ​ | ​                                                  | $ | 19,114,948 | ​ | ​ | ​ | ​                                                           | $ | — | ​ | ​ | ​ | ​                                          | $ | 19,114,948 | ​ | ​ | ​ | ​                                            | $ | — | ​ | ​ |
| Residential mortgage-backed securities | ​ | ​ | ​                                                  | ​ | 65,421,885 | ​ | ​ | ​ | ​                                                           | ​ | — | ​ | ​ | ​ | ​                                          | ​ | 65,421,885 | ​ | ​ | ​ | ​                                            | ​ | — | ​ | ​ |
| Municipal bonds                        | ​ | ​ | ​                                                  | ​ | 38,278,831