FORM 10-K

Company

HANOVER INSURANCE GROUP, INC.

Filed

March 27, 1998

Period of Report

December 31, 1997

Accession Number

0000927016-98-001218

A 10-K is a company's comprehensive annual report, required by the SEC. It includes audited financial statements, a description of the business, risk factors, and management's discussion of results. Learn more about 10-K filings →