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

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

On October 29, 2025, the Board of Directors (the “Board”) of Selective Insurance Group, Inc. (the “Company”) increased the size of the Board from 11 members to 12 members and appointed Julie Parsons as a non-employee director of the Company, effective November 3, 2025 (the “Appointment”). The Board also named Ms. Parsons to the Board’s Risk Committee and Compensation and Human Capital Committee. Ms. Parsons’ term will continue until the Company’s 2026 Annual Meeting of Stockholders (the “2026 Annual Meeting”) or until her successor has been duly elected and qualified.

Ms. Parsons will receive the same compensation and benefits as the other non-employee directors on the Board, consistent with the Company’s non-employee director compensation program described in the Definitive Proxy Statement on Schedule 14A (at Pages 84 to 86) that the Company filed with the Securities and Exchange Commission on March 26, 2025. However, Ms. Parsons will not receive an annual equity award for fiscal year 2025, as the Company’s 2025 Annual Meeting of Stockholders, at which time the annual equity awards were granted, was already held. Ms. Parsons’ annual cash retainer for fiscal year 2025 will be prorated for the period from the Appointment through December 31, 2025.

No arrangements or understandings exist between Ms. Parsons or any other persons by which she was named a director of the Company. Ms. Parsons has no family relationships with any Company director or executive officer, and the Company has not entered into any transactions with Ms. Sampson reportable per Item 404(a) of Regulation S-K.

Item 7.01. Regulation FD Disclosure.

On November 3, 2025, the Company issued a press release regarding the Appointment, a copy of which is attached hereto as Exhibit 99.1 and incorporated herein by reference.

The information in Item 7.01 of this Current Report on Form 8-K, including Exhibit 99.1, is being furnished and shall not be deemed “filed” for the purpose or liabilities of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as expressly set forth by specific reference in any filing. The Company makes no admission about the materiality of any information in this report or the attached exhibits.

Important information may be disseminated initially or exclusively via the Company’s corporate website, www.selective.com/investors. Investors should consult the site to access this information. Any website addresses included herein are inactive textual references only. The information contained on any such website referenced herein is not incorporated into this Current Report on Form 8-K.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.		Description of Exhibit
99.1		Press Release of Selective Insurance Group, Inc. dated November 3, 2025
104		The 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.

	SELECTIVE INSURANCE GROUP, INC.

Date: November 3, 2025	By:	/s/ Michael H. Lanza
		Michael H. Lanza Executive Vice President and General Counsel

Exhibit 99.1

Selective Appoints Julie Parsons as Independent Director

Retired Allstate Senior Executive and Actuary Brings More Than 30 Years of Insurance Experience

Branchville, N.J. – November 3, 2025 – Selective Insurance Group, Inc. (NASDAQ: SIGI) (“Selective”) today announced the appointment of Julie Parsons to its Board of Directors (“Board”), effective November 3, 2025. With Ms. Parsons’ appointment, Selective’s Board will be comprised of 12 directors, 11 of whom are independent.

Ms. Parsons is a seasoned insurance executive with extensive experience in product development, digital transformation, and customer service. She recently retired from a 30-plus-year career at Allstate Corporation, where, in her most recent role as Executive Vice President and Chief Operating Officer, Property and Liability Insurance, she managed a global team of thousands of employees and was responsible for leading the company’s business insurance and brokerage operations and for transforming personal auto and homeowners insurance operations. Ms. Parsons began her career as an actuarial analyst and served in roles of increasing responsibility across the organization, including Executive Vice President of Product Operations, various senior product management positions, and Allstate’s first Vice President, Chief Actuary. She is a graduate of Purdue University in Indiana and holds a bachelor’s degree in actuarial science.

“We are delighted to welcome Julie to our Board. Her extensive operational experience in commercial and personal lines, combined with deep product and actuarial expertise, will be a tremendous asset as we build on our strong foundation,” said John J. Marchioni, Chairman, President and Chief Executive Officer. “Julie’s insights as a pioneering insurance executive will broaden the Board’s strategic perspectives as we accelerate progress toward our long-term objectives for Selective.”

“Selective is an outstanding company known for its underwriting and customer-focused innovation,” said Julie Parsons. “Joining the Board is an exciting opportunity, and I look forward to working with my fellow directors and management to help guide Selective’s continued growth and deliver sustainable value for shareholders and all stakeholders.”

About Selective Insurance Group, Inc.

Selective Insurance Group, Inc. (Nasdaq: SIGI) is a holding company for 10 property and casualty insurance companies rated "A+" (Superior) by AM Best. Through independent agents, the insurance companies offer standard insurance for commercial and personal risks and specialty insurance for commercial risks. Selective also offers flood insurance through the National Flood Insurance Program's Write Your Own Program. Selective's unique position as both a leading insurance group and employer of choice is widely recognized, with awards and honors including listing in Forbes Best Midsize Employers and certification for six consecutive years as a Great Place to Work^®.

Investor Contact:

Brad B. Wilson

973-948-1283

[email protected]

Media Contact:

Jamie M. Beal

973-948-1234

[email protected]

Selective Insurance Group, Inc.

40 Wantage Avenue

Branchville, New Jersey 07890