<SEC-DOCUMENT>0001104659-22-023641-index.html : 20220215
<SEC-HEADER>0001104659-22-023641.hdr.sgml : 20220215
<ACCEPTANCE-DATETIME>20220215115353
ACCESSION NUMBER:		0001104659-22-023641
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20220215
DATE AS OF CHANGE:		20220215

SUBJECT COMPANY:	

	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

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	000-10537
		FILM NUMBER:		22637955

	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

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SKOGLUND WILLIAM B
		CENTRAL INDEX KEY:			0001191051
		RELATIONSHIP:				DIRECTOR

	FILING VALUES:
		FORM TYPE:		144
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>tm226754d3_144.htm
<DESCRIPTION>144
<TEXT>
Document 1 - file: tm226754d3_144.htm

</DOCUMENT>
</SEC-DOCUMENT>