Company: OSBC
Filing Date: 2025-04-18
Form Type: DEF 14A
Source: 0001558370-25-005000
Chunk: 22

Company: OLD SECOND BANCORP INC
Filing Date: 2025-04-18
Form: DEF 14A
Chunk 22
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 grandfathered exceptions). |

| ● | Permitted Transactions: Certain transactions are exempt, including stock option exercises (but not market sales), restricted stock vesting (but not sales), and periodic investments through the Company’s 401(k) plan. |

| ● | Confidentiality and Tipping Restrictions: Disclosure of material nonpublic information to others (“tipping”) is strictly prohibited, as is discussing confidential Company matters with outside parties without authorization. |

| ● | Consequences of Violation: Violations of the policy may result in disciplinary action, including termination of employment, and may subject the individual to civil and criminal penalties. |

The Insider Trading Policy is reviewed periodically and approved by the Board of Directors. It is filed as Exhibit 19.1 to the Company’s Form 10-K. Family Relationships There is no family relationship between any of our directors, nominees or executive officers, and there are no arrangements or understandings between the directors and any other person pursuant to which he or she was or is to be selected as a director or nominee.

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#### ​Board Leadership StructureHistorically the roles of Chairman of the Board and Chief Executive Officer were separate positions within our Company, until May 2022 when Mr. Eccher was appointed to serve as our Chairman. Mr. Eccher also remains as our Chief Executive Officer and President of the Company and the Bank. We believe certain synergies are gained through the dual role of Chairman and Chief Executive Officer by facilitating efficient and effective flow of information between management and the board of directors. Further, the board believes the dual role of Chairman and Chief Executive Officer, in concert with the Lead Independent Director appointed by the board, serves the interests of stockholders by striking a balance between the development of corporate strategies and independent oversight of management. As discussed more fully below, we have appointed Mr. Finn as our Lead Independent Director.The “Lead Independent Director” assists the board of directors in assuring effective corporate governance, and serves as chairman when the board of directors meets in independent director sessions. Our board of directors designated Mr. Finn to serve as Lead Independent Director. In this role, he may call and preside over executive sessions of the independent directors, without management present, as he deems necessary, serve as a liaison between the chair or the chief executive officer and the independent directors on certain matters, and has power to provide formal input on the agenda for meetings of the board. The Nominating and Corporate Governance Committee reviews this appointment annually and the full board has the opportunity to ratify the