0001415889-23-012009.txt : 20230810 0001415889-23-012009.hdr.sgml : 20230810 20230810092040 ACCESSION NUMBER: 0001415889-23-012009 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230808 FILED AS OF DATE: 20230810 DATE AS OF CHANGE: 20230810 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Lyons Billy J Jr. CENTRAL INDEX KEY: 0001829064 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-10537 FILM NUMBER: 231157493 MAIL ADDRESS: STREET 1: 37 SOUTH RIVER STREET CITY: AURORA STATE: IL ZIP: 60507 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: OLD SECOND BANCORP INC CENTRAL INDEX KEY: 0000357173 STANDARD INDUSTRIAL CLASSIFICATION: STATE COMMERCIAL BANKS [6022] IRS NUMBER: 363143493 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 37 S RIVER ST CITY: AURORA STATE: IL ZIP: 60507 BUSINESS PHONE: 6308920202 MAIL ADDRESS: STREET 1: 37 SOUTH RIVER STREET CITY: AURORA STATE: IL ZIP: 60507 4 1 form4-08102023_010834.xml X0508 4 2023-08-08 0000357173 OLD SECOND BANCORP INC OSBC 0001829064 Lyons Billy J Jr. 37 SOUTH RIVER STREET AURORA IL 60507 true false false false 0 Old Second Bancorp, Inc. Common Stock 2023-08-08 4 A 0 21 15.99 A 8397 D Restricted Stock Units 11430 D /s/ Shirley Cantrell, Attorney-in-Fact 2023-08-08