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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000950170-24-018917
Filing Date
2024-02-22
Accepted
2024-02-22 17:14:29
Documents
137
Period of Report
2023-12-31

Document Format Files

Seq Description Document Type Size
1 10-K thg-20231231.htm   iXBRL 10-K 9721929
2 EX-10.31 thg-ex10_31.htm EX-10.31 101835
3 EX-21 thg-ex21.htm EX-21 19257
4 EX-23 thg-ex23.htm EX-23 3540
5 EX-24 thg-ex24.htm EX-24 45704
6 EX-31.1 thg-ex31_1.htm EX-31.1 13473
7 EX-31.2 thg-ex31_2.htm EX-31.2 13242
8 EX-32.1 thg-ex32_1.htm EX-32.1 8402
9 EX-32.2 thg-ex32_2.htm EX-32.2 9159
10 EX-97.1 thg-ex97_1.htm EX-97.1 43967
  Complete submission text file 0000950170-24-018917.txt   42752168

Data Files

Seq Description Document Type Size
11 XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT thg-20231231.xsd EX-101.SCH 3225137
139 EXTRACTED XBRL INSTANCE DOCUMENT thg-20231231_htm.xml XML 12622871
Mailing Address 440 LINCOLN ST WORCESTER MA 01653
Business Address 440 LINCOLN ST WORCESTER MA 01653 5088551000
HANOVER INSURANCE GROUP, INC. (Filer) CIK: 0000944695 (see all company filings)

IRS No.: 043263626 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-13754 | Film No.: 24666102
SIC: 6331 Fire, Marine & Casualty Insurance
(CF Office: 02 Finance)