THG ▼ -0.4% - The Hanover Insurance Group, Inc. $THG - The Hanover Insurance Group, Inc. to Issue Third Quarter Financial Results on October 28 The Hanover Insurance Group's stock declined 0.4% today following the company's announcement that it will release third quarter financial results on October 28. The modest move likely reflects routine market activity ahead of the earnings release rather than any significant corporate development. 23-SEP-2026 04:05 PM ET