| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Salvatore Bryan J | 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 | 0001709075 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | THG | Common Stock | Tax liability | -$45K | -242 | -0.93% | $185.91 | 25.7K | 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. |