<SEC-DOCUMENT>0001104659-24-021611-index.html : 20240213 <SEC-HEADER>0001104659-24-021611.hdr.sgml : 20240213 <ACCEPTANCE-DATETIME>20240213170951 ACCESSION NUMBER: 0001104659-24-021611 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240213 DATE AS OF CHANGE: 20240213 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: OLD SECOND BANCORP INC CENTRAL INDEX KEY: 0000357173 STANDARD INDUSTRIAL CLASSIFICATION: STATE COMMERCIAL BANKS [6022] ORGANIZATION NAME: 02 Finance IRS NUMBER: 363143493 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G SEC ACT: 1934 Act SEC FILE NUMBER: 005-33870 FILM NUMBER: 24629139 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 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: VANGUARD GROUP INC CENTRAL INDEX KEY: 0000102909 ORGANIZATION NAME: IRS NUMBER: 231945930 STATE OF INCORPORATION: PA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: PO BOX 2600 STREET 2: V26 CITY: VALLEY FORGE STATE: PA ZIP: 19482-2600 BUSINESS PHONE: 6106691000 MAIL ADDRESS: STREET 1: PO BOX 2600 STREET 2: V26 CITY: VALLEY FORGE STATE: PA ZIP: 19482-2600 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G <SEQUENCE>1 <FILENAME>tv01600-oldsecondbancorpinc.htm <DESCRIPTION>SCHEDULE 13G <TEXT> Document 1 - file: tv01600-oldsecondbancorpinc.htm
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