Welcome to the BOSP Bancshares website.


BOSP Bancshares is the holding company for Bank of Sun Prairie in Sun Prairie and Cottage Grove, Wisconsin. To learn more about Bank of Sun Prairie, visit our website at www.bankofsunprairie.com.

This site is intended exclusively for potential buyers and sellers of BOSP Bancshares stock.

We encourage you to review all applicable statements and documents prior to submitting information.

For questions or additional information, Contact Us directly.

Click to view the downloadable forms on the Documents page. 

Annual Shareholders Meeting

To be held virtually - Thursday, March 11, 2021
7:00 PM

Please register using the form below by March 8th.  Use Google Chrome, Firefox, Safari and Microsoft Edge as your browser. It does not work in Internet Explorer.

We will email you a confirmation and link to attend the meeting.

Newsletter

4th Qtr 2020 Stockholder Newsletter (PDF)


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About Us

BOSP Bancshares is the parent company of Bank of Sun Prairie* an independent community bank with locations in Sun Prairie and Cottage Grove Wisconsin. Our financial institution has been serving local customers, business owners and agribusiness for more than 100 years. We offer the latest in online banking, checking and savings accounts, great mortgage rates, CDs, personal and auto loans, home equity loans, along with wealth management and financial services. The bank is locally owned, so decisions are made locally. We have worked hard to earn our reputation as one of the most highly respected banks in Dane County. Visit us today and experience The Right Balance.

*Bank of Sun Prairie is a member of FDIC and an Equal Housing Lender