Jewel Box Financial Services, Inc. (Jewel Box) and Ambanc Financial Services, Inc. (Ambanc) have jointly announced today that they have entered into an agreement and plan of merger whereby Jewel Box will acquire Ambanc, subject to customary shareholder and regulatory approval. Jewel Box is the holding company of Columbus-based Farmers & Merchants Union Bank (FMUB), and Ambanc is the holding company of Beaver Dam-based American Bank of Beaver Dam (American Bank). As part of the agreement, Jewel Box will merge American Bank into FMUB, and the surviving bank will operate under the Farmers & Merchants Union Bank name.
Based on most recent reported financials, the combined institution is expected to have approximately $860 million in total assets and 13 banking offices, inclusive of American Bank’s four locations spanning Dodge and Juneau Counties.
“We are excited to bring together two of Wisconsin’s oldest banking institutions focused on exceptional customer service and equipped with premier products to continue to serve the banking needs of our communities,” said Randy Bobholz, president and CEO of Jewel Box and FMUB. “Because the cultures and values of both banks align closely, American Bank’s customers can feel confident that this merger will strengthen our ability to serve them in the way they’ve come to expect.” Bobholz added, “We look forward to building on our shared legacy of commitment to our customers and communities.”
“We are proud to partner with Farmers & Merchants Union Bank and believe the combination to be an excellent fit,” commented John Oathout, president and CEO of Ambanc and American Bank. “Being part of a larger banking company that shares our same customer-first focus will allow us to better provide competitive products and services to our customers while remaining actively involved in our community.”
Olsen Palmer LLC served as financial advisor to Jewel Box, and Godfrey & Kahn, SC served as its legal counsel. Wipfli Corporate Finance Advisors LLC served as financial advisor to Ambanc, and Reinhart Boerner Van Deuren S.C served as its legal counsel.
The transaction, which has been approved by the board of directors of both companies and is subject to regulatory approvals and the approval of Ambanc shareholders, is expected to close in the first quarter of 2026. Terms of the transaction were not disclosed.
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