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

~~August~~November 63, 2025

Date of Report (Date of earliest event reported)

SAFETY INSURANCE GROUP, INC.

(Exact name of registrant as specified in its charter)


Delaware	000-50070	13-4181699
(State or other jurisdiction	(Commission	(IRS Employer
of incorporation)	File Number)	Identification No.)

20 Custom House Street, Boston, Massachusetts 02110

(Address of principal executive offices including zip code)

(617) 951-0600

(Registrant's telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

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 Symbol	Name of each exchange on which registered
Common Stock, par value $0.01 per share	SAFT	The Nasdaq Stock Market, LLC

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.

In a press release dated ~~August~~November 63, 2025, Safety Insurance Group, Inc. (the “Registrant”) announced its ~~second~~third quarter 2025 results. The Registrant’s press release dated ~~August~~November 63, 2025 is furnished herewith as Exhibit 99.1.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits. The following exhibit is furnished herewith:

Exhibit Number	Description
99.1	Text of press release issued by the Registrant dated ~~August~~November 63, 2025

104The cover page from this Current Report on form 8-K, formatted in Inline XBRL

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.

	Safety Insurance Group, Inc. (Registrant)

Date: August 6, 2025	By:	/s/ CHRISTOPHER T. WHITFORD
Date: November 3, 2025	By:	/s/ CHRISTOPHER T. WHITFORD
		Christopher T. Whitford
		V.P., Chief Financial Officer and Secretary

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