| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| FARBER JEFFREY M | Executive Vice President | C/O THE HANOVER INSURANCE GROUP, INC., 440 LINCOLN STREET, WORCESTER | /s/ Lindsay L. Katz pursuant to Confirming Statement | 2025-12-03 | 0001275634 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | THG | Common Stock | Tax liability | -$25.3K | -136 | -0.3% | $185.91 | 45.9K | Dec 1, 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Reflects shares withheld from restricted stock unit awards to cover FICA and related income tax obligations for executives eligible for retirement vesting under the terms of such awards. |