<SEC-DOCUMENT>0001415889-25-019465-index.html : 20250708
<SEC-HEADER>0001415889-25-019465.hdr.sgml : 20250708
<ACCEPTANCE-DATETIME>20250708131712
ACCESSION NUMBER:		0001415889-25-019465
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250701
FILED AS OF DATE:		20250708
DATE AS OF CHANGE:		20250708

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Campbell Darin Patrick
		CENTRAL INDEX KEY:			0002074132
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-10537
		FILM NUMBER:		251110421

	MAIL ADDRESS:	
		STREET 1:		37 SOUTH RIVER ST.
		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]
		ORGANIZATION NAME:           	02 Finance
		EIN:				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
</SEC-HEADER>
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<TYPE>3
<SEQUENCE>1
<FILENAME>form3-07082025_050708.xml
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Document 1 - file: form3-07082025_050708.html

Document 1 - RAW XML: form3-07082025_050708.xml

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