Old Second Bancorp, Inc March 13, 2025 by Shak Company Name: Old Second Bancorp, Inc.Old Second Bancorp, Inc. is the holding company for Old Second National Bank. Old Second National Bank operates branches in Illinois (Kane, Cook, Will, LaSalle, Kendall, DuPage and DeKalb counties).Ticker Symbol: OSBC (NASDAQ)Company Website: www.oldsecond.comSocial Media:Old Second Bank FacebookOld Second Bank InstagramOld Second Bank LinkedInOld Second Bank TwitterOld Second Bank YouTubeHeadquarters: Aurora, IL Publicly Traded Companies by Sector and Industry List of Publicly Traded Banks List of Publicly Traded Large-Cap Bank Stocks List of Publicly Traded Mid-Cap Bank Stocks List of Publicly Traded Small-Cap Bank Stocks List of Publicly Traded Micro-Cap Bank Stocks List of Publicly Traded Large-Cap Insurance Stocks List of Publicly Traded Mid-Cap Insurance Stocks List of Publicly Traded Small-Cap Insurance Stocks List of Publicly Traded Micro-Cap Insurance Stocks List of Large-Cap Financial Sector Stocks List of Mid-Cap Financial Sector Stocks List of Small-Cap Financial Sector Stocks List of Micro-Cap Financial Sector Stocks