Executive Change · Reg FD Disclosure

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