What company is CIK 0000357173?

OLD SECOND BANCORP INC is the legal entity registered under CIK 0000357173 in United States.

What is a CIK in United States?

A CIK is the official company identifier used in United States. Browse more United States companies on the country hub.

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Public facts on this page cite SEC EDGAR bulk submissions and companyfacts. Exact streets, contacts, and financial values unlock after login.

United States🇺🇸 United States · CIK

OLD SECOND BANCORP INC

CIK CIK:0000357173

OLD SECOND BANCORP INC is the legal name for CIK 0000357173 in United States. Registry status: registered. Source: SEC EDGAR bulk submissions and companyfacts. Updated: Jul 21, 2026.

Exact address on file · AURORA, IL

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Identity

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CIK: CIK:0000357173
Country: United States (US)
Registry status: registered
Location: Exact address on fileAURORA, IL

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SEC EDGAR bulk submissions and companyfacts

Visit official sourceUpdated: Jul 21, 2026

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What company is CIK 0000357173?: OLD SECOND BANCORP INC is the legal entity registered under CIK 0000357173 in United States.
What is a CIK in United States?: A CIK is the official company identifier used in United States. Browse more United States companies on the country hub.
Where does this data come from?: Public facts on this page cite SEC EDGAR bulk submissions and companyfacts. Exact streets, contacts, and financial values unlock after login.

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