REG: Other company developments

Item 8.01 Other Events Corporate Responsibility Report On May 28, 2026, Regency Centers Corporation (the "Company") issued a press release announcing the publication of its 2025 Corporate Responsibility Report (the “CR Report”) and a copy of this press release is filed as Exhibit 99.1 to this report. The CR Report is accessible through the Corporate Responsibility section of the Company's website at www.regencycenters.com/corporate-responsibility. The information furnished under this Item 8.01 and Item 9.01, including Exhibit 99.1 incorporated by reference herein, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section and shall not be deemed to be incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act. Item 9.01 Financial Statements and Exhibits (d) Exhibits Exhibit 99.1 Press release dated May 28, 2026. 104 Cover Page Interactive Data File (the cover page XBRL tags are embedded within the inline XBRL documents) 2 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. REGENCY CENTERS CORPORATION May 28, 2026 By: /s/ Michael R. Herman Michael R. Herman, Senior Vice President General Counsel and Corporate Secretary REGENCY CENTERS, L.P. By: Regency Centers Corporation, its general partner May 28, 2026 By: /s/ Michael R. Herman Michael R. Herman, Senior Vice President General Counsel and Corporate Secretary 3