THG - Company ID 0000944695
HANOVER INSURANCE GROUP, INC. has filed 2,365 public company documents between 1996 and 2026. The most frequent type is insider trade (1,440 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Type | Filing | Filed | Period covered | Open |
|---|---|---|---|---|
| 13F-NT | 13F-NT | 12y ago2013-11-08 | 2013-09-30 | View filing |
| 13F-NT | 13F-NT | 12y ago2013-08-08 | 2013-06-30 | View filing |
| 13F-NT | 13F-NT | 13y ago2013-05-09 | 2013-03-31 | View filing |
| 13F-NT | 13F-NT | 13y ago2013-02-06 | 2012-12-31 | View filing |
| 13F-NT | 13F-NT | 13y ago2012-11-06 | 2012-09-30 | View filing |
| 13F-NT | 13F-NT | 13y ago2012-08-03 | 2012-06-30 | View filing |
| 13F-NT | 13F-NT | 14y ago2012-05-14 | 2012-03-31 | View filing |
| 13F-NT | 13F-NT | 14y ago2012-02-14 | 2011-12-31 | View filing |
| 13F-NT | 13F-NT | 19y ago2006-10-30 | 2006-09-30 | View filing |
| 13F-NT | 13F-NT | 19y ago2006-08-04 | 2006-06-30 | View filing |
| 13F-NT | 13F-NT | 20y ago2006-05-04 | 2006-03-31 | View filing |
| 13F-NT | 13F-NT | 20y ago2006-02-13 | 2005-12-31 | View filing |
| 13F-NT | 13F-NT | 20y ago2005-11-01 | 2005-09-30 | View filing |
| 13F-NT | 13F-NT | 20y ago2005-08-02 | 2005-06-30 | View filing |
| 13F-NT | 13F-NT | 21y ago2005-04-29 | 2005-03-31 | View filing |
| 13F-NT | 13F-NT | 21y ago2005-02-04 | 2004-12-31 | View filing |
| 13F-NT | 13F-NT | 21y ago2004-11-02 | 2004-09-30 | View filing |
| 13F-NT | 13F-NT | 21y ago2004-08-02 | 2004-06-30 | View filing |
| 13F-NT | 13F-NT | 22y ago2004-04-29 | 2004-03-31 | View filing |
| 13F-NT | 13F-NT | 22y ago2004-02-17 | 2003-12-31 | View filing |
| 13F-NT | 13F-NT | 22y ago2003-11-12 | 2003-09-30 | View filing |
| 13F-NT | 13F-NT | 22y ago2003-08-11 | 2003-06-30 | View filing |
| 13F-NT | 13F-NT | 23y ago2003-05-13 | 2003-03-31 | View filing |
| 13F-NT | 13F-NT | 23y ago2003-02-13 | 2002-12-31 | View filing |
| 13F-NT | 13F-NT | 24y ago2002-05-03 | 2002-03-31 | View filing |
| 13F-NT | 13F-NT | 24y ago2002-02-21 | 2001-12-31 | View filing |
| 13F-NT | 13F-NT | 24y ago2001-11-09 | 2001-09-30 | View filing |
| 13F-NT | 13F-NT | 24y ago2001-08-09 | 2001-06-30 | View filing |
| 13F-NT | 13F-NT | 25y ago2001-05-15 | 2001-03-31 | View filing |
| 13F-NT | 13F-NT | 25y ago2001-02-14 | 2000-12-31 | View filing |