Germantown Mutual Insurance Company filed a rate and rule revision for its G-Pak Homeowner program in Wisconsin, effective January 1, 2026. The filing introduces base rate increases by territory across HO-2, HO-3, HO-4, and HO-6 forms, resulting in an overall rate impact of +4.6% and affecting 11,389 policyholders with $12.3 million in written premium.