UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 29, 2025

THE HANOVER INSURANCE GROUP, INC.

(Exact name of registrant as specified in its charter)


Delaware	1-13754	04-3263626
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

	440 Lincoln Street, Worcester, Massachusetts (Address of principal executive offices)	01653 (Zip Code)
	(508) 855-1000 Registrant’s telephone number, including area code:

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:


☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:


Title of each class	Trading Symbols	Name of each exchange on which registered
Common Stock, $.01 par value	THG	New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition.

The following information is being furnished under Item 2.02 – Results of Operations and Financial Condition. Such information, including the exhibits attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section.

On October 29, 2025, The Hanover Insurance Group, Inc. (the Company) issued a press release announcing its financial results for the quarter ended September 30, 2025. The release is furnished as Exhibit 99.1 hereto. Additionally, on October 29, 2025, the Company made available on its website unaudited financial information contained in its Financial Supplement for the period ended September 30, 2025. The supplement is furnished as Exhibit 99.2 hereto.

Item 9.01 Financial Statements and Exhibits.


(a)	Not applicable.


(b)	Not applicable.


(c)	Not applicable.


(d)	Exhibits.

The following exhibits are furnished herewith.



Exhibit 99.1	Press Release, dated October 29, 2025, announcing the Company’s financial results for the quarter ended September 30, 2025.

Exhibit 99.2	The Hanover Insurance Group, Inc. Unaudited Financial Supplement for the period ended September 30, 2025.

Exhibit 104	Cover Page Interactive Data File (embedded within the Inline XBRL document).

Exhibit Index


Exhibit 99.1	Press Release, dated October 29, 2025, announcing the Company’s financial results for the quarter ended September 30, 2025.

Exhibit 99.2	The Hanover Insurance Group, Inc. Unaudited Financial Supplement for the period ended September 30, 2025.

Exhibit 104	Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.


	The Hanover Insurance Group, Inc. (Registrant)

Date: October 29, 2025	By:	/s/ Jeffrey M. Farber
		Jeffrey M. Farber
		Executive Vice President and Chief Financial Officer

HANOVER INSURANCE GROUP, INC. 8-K