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 |
|---|---|---|---|---|
| SC 13G | Passive ownership stake | 6y ago2020-02-05 | - | View filing |
| SC 13G | Passive ownership stake | 12y ago2014-02-14 | - | View filing |
| SC 13G | Passive ownership stake | 12y ago2014-02-10 | - | View filing |
| SC 13G | Passive ownership stake | 13y ago2013-02-12 | - | View filing |
| SC 13G | Passive ownership stake | 13y ago2013-02-12 | - | View filing |
| SC 13G | Passive ownership stake | 14y ago2012-01-31 | - | View filing |
| SC 13G | Passive ownership stake | 16y ago2010-01-29 | - | View filing |
| SC 13G | Passive ownership stake | 23y ago2003-02-10 | - | View filing |
| SC 13G | Passive ownership stake | 24y ago2002-02-11 | - | View filing |
| SC 13G | Passive ownership stake | 26y ago2000-01-18 | - | View filing |
| SC 13G | Passive ownership stake | 28y ago1998-02-13 | - | View filing |