Allmerica Financial Benefit Insurance Company, part of The Hanover Insurance Group, filed a Maryland update to its small commercial general liability product.

Submitted March 18, 2026, the filing proposes a +5.1% rate increase (vs. +6.9% indicated) across 2,429 policyholders and ~$2.75M in premium. Effective September 1, 2026 for new and renewal business.

The update revises loss cost multipliers, class relativities, and rating tied to ISO loss costs, including a 1.600 multiplier applied across the book.

Impacts vary: increases up to +26.2% and decreases down to –8%, reflecting class-level rebalancing.