Richard W. Lavey - Sep 26, 2025 Form 4 Insider Report for HANOVER INSURANCE GROUP, INC. (THG)

Role: Executive Vice President
Signature: /s/ Lindsay L. Katz pursuant to Confirming Statement
Stock symbol: THG
Transactions as of: Sep 26, 2025
Transactions value $: $0
Form type: 4
Date filed: 9/30/2025, 04:16 PM
Previous filing: Jun 30, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
LAVEY RICHARD W	Executive Vice President	C/O THE HANOVER INSURANCE GROUP, INC., 440 LINCOLN STREET, WORCESTER	/s/ Lindsay L. Katz pursuant to Confirming Statement	2025-09-30	0001275977

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	THG	Common Stock	Award	$0	+30.6	+0.08%	$0.00	39.1K	Sep 26, 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Grant of restricted stock units ("RSUs") under the Issuer's 2022 Long-Term Incentive Plan ("2022 LTIP") in connection with the accrual of dividend equivalent rights associated with RSUs previously granted under the Issuer's 2022 LTIP. Such RSUs vest on the third anniversary of the date of grant of the original underlying RSUs.