Form 8-K

8-K — SELECTIVE INSURANCE GROUP INC

Accession: 0000230557-26-000013

Filed: 2026-04-30

Period: 2026-04-29

CIK: 0000230557

SIC: 6331 (FIRE, MARINE & CASUALTY INSURANCE)

Item: Submission of Matters to a Vote of Security Holders

Documents

8-K — sigi-20260429.htm (Primary)

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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) April 29, 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) (I.R.S. 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 5.07. Submission of Matters to a Vote of Security Holders.

The 2026 Annual Meeting of Stockholders (the "Annual Meeting") of Selective Insurance Group, Inc. (the “Company”) was held on April 29, 2026. Set forth below are the final voting results for each of the matters submitted to a vote of the stockholders at the Annual Meeting. For more information about the proposals set forth below, please see the Company’s definitive proxy statement filed with the U.S. Securities and Exchange Commission on March 26, 2026 (the "Proxy Statement").

1. The Company’s stockholders elected each of the twelve director nominees to serve on the Company's Board of Directors for a term of one year, as follows:

Director For Against Abstain Broker Non-Votes

Ainar D. Aijala, Jr. 48,638,529 106,954 22,551 4,697,446

Lisa Rojas Bacus 48,507,505 231,006 29,523 4,697,446

Terrence W. Cavanaugh 48,433,670 313,841 20,523 4,697,446

Robert Kelly Doherty 48,515,615 231,591 20,828 4,697,446

John J. Marchioni 48,105,672 638,239 24,123 4,697,446

Thomas A. McCarthy 48,697,994 49,946 20,094 4,697,446

Stephen C. Mills 46,986,217 1,751,985 29,832 4,697,446

H. Elizabeth Mitchell 48,677,612 70,105 20,317 4,697,446

Cynthia S. Nicholson 47,907,526 840,001 20,507 4,697,446

Julie Parsons 48,673,184 70,977 23,873 4,697,446

Kate E. R. Sampson 48,681,803 65,919 20,312 4,697,446

John S. Scheid 48,300,301 447,163 20,570 4,697,446

2. The Company’s stockholders voted to approve, on an advisory basis, the 2025 compensation of the Company's named executive officers as disclosed in the Proxy Statement, as follows:

For Against Abstain Broker Non-Votes

47,882,612 768,525 116,897 4,697,446

3. The Company’s stockholders voted to ratify the appointment of KPMG LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026, as follows:

For Against Abstain Broker Non-Votes

52,567,600 842,875 55,005 0

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.

Date: April 30, 2026 By: /s/ Michael H. Lanza

Michael H. Lanza

Executive Vice President and General Counsel

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Apr. 29, 2026

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Entity Registrant Name

SELECTIVE INSURANCE GROUP, INC.

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Entity Tax Identification Number

22-2168890

Entity Incorporation, State or Country Code

Entity Address, Address Line One

40 Wantage Avenue

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Title of 12(b) Security

Depositary Shares, each representing a 1/1,000th interest in a share of 4.60% Non-Cumulative Preferred Stock, Series B, without par value

Trading Symbol

SIGIP

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