OLD SECOND BANCORP INC 8-K

What Happened
Old Second Bancorp, Inc. (OSBC) announced in an 8-K (filed Jan 2, 2026) that it will release financial results for the fourth quarter of 2025 after market close on January 21, 2026. The company will host an earnings call on Thursday, January 22, 2026 at 10:00 a.m. Eastern Time (9:00 a.m. Central Time). The 8-K was signed by Bradley S. Adams, Executive Vice President, Chief Operating Officer and Chief Financial Officer.

Key Details

• Earnings release date: January 21, 2026 (after market close).
• Earnings call: January 22, 2026 at 10:00 a.m. ET / 9:00 a.m. CT.
• Webcast access: live at https://www.webcaster5.com/Webcast/Page/2239/53419 and via the Events section of Old Second Investor Relations (https://investors.oldsecond.com/events).
• Replay: available on the Investor Relations Events page for up to one year after the call. Investors are encouraged to register at least 10 minutes before the call.

Why It Matters
This notice gives investors the exact timing and access details to hear Old Second’s quarterly results and management commentary, which are important for assessing recent financial performance and outlook. The CFO’s signature on the filing confirms the company’s official schedule; attending or listening to the webcast and replay will provide the first public disclosure of the bank’s Q4 2025 results.