Form 4 Filing for David John Lovely

David John Lovely, Executive Vice President of HANOVER INSURANCE GROUP, INC. (THG), acquired 10.423 shares of common stock on September 25, 2026. The acquisition was part of a grant of restricted stock units (RSUs) under the Issuer's 2022 Long-Term Incentive Plan, in connection with dividend equivalent rights associated with previously granted RSUs. These RSUs vest on the third anniversary of the original grant date. The transaction code was "A" (acquisition), and the price per share was $0.0. Following this transaction, Mr. Lovely owns 3828.956 shares of common stock directly. The filing was signed by Lindsay L. Katz on behalf of Mr. Lovely on September 28, 2026.