Company: OSBC
Filing Date: 2025-04-18
Form Type: DEF 14A
Source: 0001558370-25-005000
Chunk: 58

Company: OLD SECOND BANCORP INC
Filing Date: 2025-04-18
Form: DEF 14A
Chunk 58
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,575 |   |                 48,406 |
| ​                  | ​ | ​          | ​ |                                   ​ | ​ |          ​ | ​ |           ​ | ​ |                              894 | ​ |      3,575 | ​ |       6,256 | ​ |                              ​ | ​ |                 48,406 |

| (1) | Amounts reported represent the potential payouts pursuant to our Incentive Plan subject to the evaluation criteria set by the Compensation Committee, with all payments subject to achievement of Company and/or individual and departmental goals as discussed in “Compensation Discussion and Analysis —Analysis of 2024 Compensation—Annual Cash Incentive Payments.” Actual amounts earned by each named executive officer are included in the column entitled “Non-Equity Incentive Plan Compensation” of the “Summary Compensation Table” above. |

| (2) | Represents the award of PRSUs with a three-year performance period (2024-2026). The vesting is subject to the achievement of pre-established targets and the officer’s continued service through the vesting date. See “Compensation Discussion and Analysis – Analysis of 2024 Compensation – Long-Term Equity Compensation – 2024 PRSU Awards.” Any PRSUs that vest will be converted to shares of our common stock on a one-for-one basis. PRSUs that do not vest will be forfeited. |

| (3) | Represents the award of TRSUs that will cliff vest on the third anniversary of the grant date. |

| (4) | This amount represents the grant date fair value for equity awards in accordance with ASC 718 – “Compensation – Stock Compensation”. The grant date fair value of the PRSUs was estimated at the target performance level. |

37

Outstanding Equity Awards at Fiscal Year-End The following table sets forth information concerning the outstanding equity awards at December 31, 2024, held by the individuals named in the Summary Compensation Table:

| ​                  | ​ |                  ​ | ​      | ​                   |               ​ | ​ |                    ​ | ​ |                     ​ |
| ​                  | ​ |       Stock Awards |        |                     |                 |   |                      |   |                       |
| ​                  | ​ |                  ​ | ​      | ​                   |               ​ | ​ |     Equity Incentive | ​ | Equity Incentive Plan |
| ​                  |   |          Number of | ​      | ​                   | Market value of |   |