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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000950170-23-004178
Filing Date
2023-02-23
Accepted
2023-02-23 17:26:58
Documents
137
Period of Report
2022-12-31

Document Format Files

Seq Description Document Type Size
1 10-K thg-20221231.htm   iXBRL 10-K 14693883
2 EX-21 thg-ex21.htm EX-21 28700
3 EX-23 thg-ex23.htm EX-23 5004
4 EX-24 thg-ex24.htm EX-24 84929
5 EX-31.1 thg-ex31_1.htm EX-31 18304
6 EX-31.2 thg-ex31_2.htm EX-31 17984
7 EX-32.1 thg-ex32_1.htm EX-32 11525
8 EX-32.2 thg-ex32_2.htm EX-32 12795
  Complete submission text file 0000950170-23-004178.txt   59928900

Data Files

Seq Description Document Type Size
9 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT thg-20221231_lab.xml EX-101.LAB 1151704
10 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT thg-20221231_def.xml EX-101.DEF 702072
11 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT thg-20221231_cal.xml EX-101.CAL 167325
12 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT thg-20221231.xsd EX-101.SCH 140795
13 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT thg-20221231_pre.xml EX-101.PRE 948327
131 EXTRACTED XBRL INSTANCE DOCUMENT thg-20221231_htm.xml XML 19072973
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.: 23661146
SIC: 6331 Fire, Marine & Casualty Insurance
Office of Finance