Company: OSBC
Filing Date: 2025-04-01
Form Type: PRE 14A
Source: 0001558370-25-004277
Chunk: 30

Company: OLD SECOND BANCORP INC
Filing Date: 2025-04-01
Form: PRE 14A
Chunk 30
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                * | ​ |
| John Williams, Jr.(14)                                                           | ​ |              33,753 | ​ |                * | ​ |
| Jill York(15)                                                                    | ​ |              16,353 | ​ |                * | ​ |
| ​                                                                                | ​ |                   ​ | ​ |                ​ | ​ |
| All directors, director nominees, and executive officers as a group (15 persons) |   |           1,703,636 |   |              3.8 | % |
| ​                                                                                | ​ |                   ​ | ​ |                ​ | ​ |
| 5% Stockholders:                                                                 | ​ |                   ​ | ​ |                ​ | ​ |
| Blackrock , Inc.(16)                                                             | ​ |           3,537,457 | ​ |              7.9 | % |
| The Vanguard Group (17)                                                          | ​ |           2,637,718 | ​ |              5.9 | % |
| ​                                                                                | ​ |                   ​ | ​ |                ​ | ​ |

| * | Denotes ownership of less than 1%. |

| (1) | Consists of: (i) 68,008 shares held jointly with spouse in a brokerage account; (ii) 75,300 shares held in Mr. Adams’ name with a broker: and (iii) 9,983 shares held in our 401(k) plan. Excludes 77,444 shares subject to restricted stock unit awards that are currently unvested and that are not deemed to be shares beneficially owned by Mr. Adams. |

| (2) | Consists of: (i) 169,174 shares held in a trust account and (ii) 3,080 shares held in Mr. Bonifas’ name outright. Excludes 10,551 shares subject to restricted stock unit awards that are currently unvested and that are not deemed to be shares beneficially owned by Mr. Bonifas. |

19

| (3) | Consists of: (i) 46,624 shares held in a brokerage account; (ii) 61,768 shares held in an IRA account in Mr. Collins’ name; (iii) 16,488 shares held in Mr. Collins name outright; and (iv) 6,370 shares held in our 401(k) plan. Excludes 44,946 shares subject to restricted stock unit awards that are currently unvested and that are