HANOVER INSURANCE GROUP, INC. — SCHEDULE 13G/A Filings

1 SCHEDULE 13G/A filing on record

This page lists all SCHEDULE 13G/A filings submitted to the SEC by HANOVER INSURANCE GROUP, INC. (THG), sorted by most recent first. Each row links to the full filing on EdgarLookup. HANOVER INSURANCE GROUP, INC. has filed 1 SCHEDULE 13G/A document with the SEC since 2016. To view all SEC filings by HANOVER INSURANCE GROUP, INC., see the full filings list.

Overview All Filings Financials Insiders

All 10-K 10-K/A 10-Q 10-Q/A 11-K 13F-HR 13F-HR/A 13F-NT 144 15-12B 25-NSE 3 3/A 305B2 4 4/A 424B2 5 5/A 8-A12B 8-A12B/A 8-K 8-K/A ARS CERTNYS CORRESP DEF 14A DEF13E3/A DEFA14A FWP IRANNOTICE PRE 14A PRE13E3 PRE13E3/A S-3ASR S-4 S-4/A S-8 S-8 POS SC 13D SC 13D/A SC 13E3 SC 13E3/A SC 13G SC 13G/A SC 14D1 SC 14D1/A SCHEDULE 13G/A UPLOAD

Form	Description	Accession Number	Filed	Period
SCHEDULE 13G/A	—	0000102909-26-001477	Mar 27, 2026	—