What changed in HANOVER INSURANCE GROUP, INC.'s 2025 10-K compared to 2024?

Across the narrative sections we track, HANOVER INSURANCE GROUP, INC. (THG) added 0 paragraphs, removed 0, and edited 0 between the 2024 and 2025 10-K filings. The biggest movers are .

Where does this THG 10-K diff come from?

The source filings are HANOVER INSURANCE GROUP, INC.'s official 2024 and 2025 Form 10-K annual reports from SEC EDGAR. 10q10k.net parses each filing, aligns paragraphs by section (Item 1, 1A, 1C, 2, 3, 7, 7A), and highlights every added, removed and edited sentence side-by-side.

What changed in HANOVER INSURANCE GROUP, INC.'s 10-K — 2024 vs 2025

Paragraph-level year-over-year comparison of HANOVER INSURANCE GROUP, INC.'s 2024 and 2025 10-K annual filings, covering the Business, Risk Factors, Legal Proceedings, Cybersecurity, MD&A and Market Risk sections. Every new, removed and edited paragraph is highlighted side-by-side so you can see exactly what management changed in the 2025 report.

+0 added−0 removedSource: 10-K (2026-02-20) vs 10-K (2025-02-24)

No meaningful paragraph-level changes detected in the compared sections. Either the two filings are nearly identical or the sections did not parse.

Other THG 10-K year-over-year comparisons

THG 10-K 2023 vs 2024
THG 10-K 2022 vs 2023