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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) May 11, 2026

SELECTIVE INSURANCE GROUP, INC.

(Exact name of registrant as specified in its charter)

New Jersey		001-33067		22-2168890
(State or other jurisdiction of incorporation)		(Commission File Number)		(IRS Employer Identification No.)

40 Wantage Avenue, Branchville, New Jersey 07890

(Address of principal executive offices) (Zip Code)

Registrant's telephone number, including area code (973) 948-3000

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(s)	Name of each exchange on which registered
Common Stock, par value $2 per share	SIGI	The Nasdaq Stock Market LLC
Depositary Shares, each representing a 1/1,000th interest in a share of 4.60% Non-Cumulative Preferred Stock, Series B, without par value	SIGIP	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. ¨

Section 5 - Corporate Governance and Management

Item 5.02.

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On May 11, 2026, Joseph O. Eppers notified Selective Insurance Group, Inc. (the “Company”) of his intent to retire from his role of Executive Vice President and Chief Investment Officer of the Company, effective as of June 2, 2026 (the “Effective Date”). Mr. Eppers’ decision to leave the Company and pursue other career opportunities is not the result of any disagreement with the Company on any matter relating to strategies, operations, policies, or practices.

Beginning on the Effective Date, Vaibhav Kalia, the current Senior Vice President, Senior Portfolio Manager and Head of Fixed Income, who joined the Company in 2014, will serve as Interim Chief Investment Officer.

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.

	SELECTIVE INSURANCE GROUP, INC.

	By:	/s/ Michael H. Lanza
		Michael H. Lanza
		Executive Vice President and General Counsel

Date: May 14, 2026