Old Second Bancorp Reports Q3 2026 Earnings Release and Call

What Happened Old Second Bancorp, Inc. (OSBC) filed an 8-K dated October 1, 2026, announcing it will release financial results for the third quarter of 2026 after the market close on October 21, 2026. The company will host an earnings call on Thursday, October 22, 2026 at 10:00 a.m. Eastern Time (9:00 a.m. Central Time). The filing was signed by Bradley S. Adams, Executive Vice President, Chief Operating Officer and Chief Financial Officer.

Key Details

• 8-K filed: October 1, 2026.
• Q3 2026 results release: after market close on October 21, 2026.
• Earnings call: October 22, 2026 at 10:00 a.m. ET / 9:00 a.m. CT.
• Webcast: live at https://www.webcaster5.com/Webcast/Page/2239/54568 and via the Events section of Old Second Investor Relations (https://investors.oldsecond.com/events); replay available for up to one year.
• Investors are encouraged to register at the webcast link at least 10 minutes before the call.

Why It Matters This 8-K notifies investors of the timing and access details for Old Second’s Q3 2026 quarterly results and management commentary. Knowing the release and call schedule helps investors and analysts plan to review the company’s performance, hear management’s discussion, and assess any impact on the stock (OSBC) once results are published.