Public Service Enterprise Group Inc — Current Report (Form 8-K)

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): June 1, 2026

Public Service Enterprise Group Incorporated

(Exact name of registrant as specified in its charter)

80 Park Plaza

Newark,  New Jersey  07102

(Address of principal executive offices)  (Zip Code)

973   430-7000

(Registrant’s telephone number, including area code)

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 (see General Instruction A.2. below):

Securities registered pursuant to Section 12(b) of the Act:

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 ☐

Item 8.01 Other Events

On June 3, 2026, Public Service Enterprise Group Incorporated (“PSEG”) completed a public offering of $500,000,000 aggregate principal amount of its 4.800% Senior Notes due 2031 (the “Notes”). The Notes were offered and sold by PSEG pursuant to a registration statement on Form S-3 (File No. 333-275509) (the “Registration Statement”) and the related Prospectus dated November 13, 2023 and Prospectus Supplement dated June 1, 2026. The Notes were issued pursuant to an underwriting agreement (the “Underwriting Agreement”), dated June 1, 2026, between PSEG and Barclays Capital Inc., Citigroup Global Markets Inc. and Goldman Sachs & Co. LLC as representatives of the several underwriters named therein (the “Underwriters”). Pursuant to the Underwriting Agreement and subject to the terms and conditions expressed therein, PSEG agreed to sell the Notes to the Underwriters, and the Underwriters agreed to purchase the Notes for resale to the public. The Underwriting Agreement is filed as Exhibit 1 hereto. The Notes are governed by an indenture, dated as of November 1, 1998 (the “Indenture”), between PSEG and U.S. Bank Trust Company, National Association, as successor trustee. The Indenture and the form of the Note are filed as Exhibits 4-1 and 4-2 hereto, respectively. The Underwriting Agreement, Indenture and the form of Note are incorporated by reference into the Registration Statement.

In connection with the offering of the Notes, PSEG is filing herewith as Exhibit 5 an opinion of John C. Walmsley, Associate Counsel of PSEG Services Corporation, addressing the legality of the Notes. Such opinion is incorporated by reference into the Registration Statement.

Item 9.01 Financial Statements and Exhibits

2

SIGNATURE

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 thereunto duly authorized. The signature of the undersigned company shall be deemed to relate only to matters having reference to such company and any subsidiaries thereof.

Date: June 3, 2026

3