Old Second Bancorp Vice Chairman Gary S. Collins disposes of 16,000 common shares for USD 395,080

Gary S. Collins, vice chairman, sold 16,000 Old Second Bancorp common shares on Sep. 23, 2026 at USD 24.69. Direct holdings fell to 14,136 shares following the sale. Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Old Second Bancorp Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001184766-26-000022), on September 23, 2026, and is solely responsible for the information contained therein. (C)