Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000950170-25-025093
Filing Date
2025-02-24
Accepted
2025-02-21 19:16:47
Documents
142
Period of Report
2024-12-31

Document Format Files

Seq Description Document Type Size
1 10-K thg-20241231.htm   iXBRL 10-K 12444720
2 EX-10.3 thg-ex10_3.htm EX-10.3 616541
3 EX-19.1 thg-ex19_1.htm EX-19.1 86201
4 EX-19.2 thg-ex19_2.htm EX-19.2 72786
5 EX-21 thg-ex21.htm EX-21 22268
6 EX-23 thg-ex23.htm EX-23 3964
7 EX-24 thg-ex24.htm EX-24 50117
8 EX-31.1 thg-ex31_1.htm EX-31.1 15248
9 EX-31.2 thg-ex31_2.htm EX-31.2 14981
10 EX-32.1 thg-ex32_1.htm EX-32.1 9646
11 EX-32.2 thg-ex32_2.htm EX-32.2 10562
12 GRAPHIC img28755994_0.jpg GRAPHIC 68753
13 GRAPHIC img29679515_0.jpg GRAPHIC 68753
  Complete submission text file 0000950170-25-025093.txt   54613930

Data Files

Seq Description Document Type Size
14 XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT thg-20241231.xsd EX-101.SCH 3309597
145 EXTRACTED XBRL INSTANCE DOCUMENT thg-20241231_htm.xml XML 16576374
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)

EIN.: 043263626 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-13754 | Film No.: 25653722
SIC: 6331 Fire, Marine & Casualty Insurance
(CF Office: 02 Finance)