Form 8-K

8-K — SELECTIVE INSURANCE GROUP INC

Accession: 0001104659-26-061133

Filed: 2026-05-14

Period: 2026-05-11

CIK: 0000230557

SIC: 6331 (FIRE, MARINE & CASUALTY INSURANCE)

Item: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

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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

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Entity File Number

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Entity Registrant Name

SELECTIVE

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Entity Central Index Key

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Entity Tax Identification Number

22-2168890

Entity Incorporation, State or Country Code

Entity Address, Address Line One

40 Wantage Avenue

Entity Address, City or Town

Branchville

Entity Address, State or Province

Entity Address, Postal Zip Code

07890

City Area Code

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Local Phone Number

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Security Exchange Name

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Title of 12(b) Security

Depositary Shares, each representing a 1/1,000th interest in

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Security Exchange Name

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