(Mark One)܇ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the fiscal year ended December 31, 2025ORնTRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the transition period fromtoCommission file number 1-11690 SITE Centers Corp. (Exact Name of Registrant as Specified in Its Charter) Ohio34-1723097(State or Other Jurisdiction of Incorporation or Organization)(I.R.S. Employer Identification No.)3300 Enterprise Parkway, Beachwood, Ohio44122(Address of Principal Executive Offices)(Zip Code)Registrant’s telephone number, including area code (216) 755-5500 Title of each classTradingSymbol(s)Name of each exchange on which registeredCommon Shares, Par Value $0.10 Per ShareSITCNew York Stock Exchange Securities registered pursuant to Section 12(g) of the Act: None Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes܇Noն Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. YesնNo܇ Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during thepreceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past90 days. Yes܇Noն Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T(§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes܇Noն Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerginggrowth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2of the Exchange Act. Accelerated filerնSmaller reporting companyնEmerging growth companyն 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 revisedfinancial accounting standards provided pursuant to Section 13(a) of the Exchange Act.ն Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control overfinancial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its auditreport.܇ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). YesնNo܇The aggregate market value of the voting stock held by non-affiliates of the registrant at June 30, 2025, was $0.6 billion.Indicate the number of shares outstanding of each of the registrant’s classes of common stock, as of the latest practicable date.52,462,340 common shares outstanding as of February 20, 2026 DOCUMENTS INCORPORATED BY REFERENCE The registrant incorporates by reference in Part III hereof portions of its definitive Proxy Statement for its 2026 Annual Meeting of Shareholders. TABLE OF CONTENTS PART I 1............................................................................................................................................................................Business31A......................................................................................................................................................................Risk Factors71B.............................................................................................................................................Unresolved Staff Comments201C....................................................................................................................................................................Cybersecurity212..........................................................................................................................................................................Properties223............................................................................................................................................................Legal Proceedings264...................................................................................................................................................Mine Safety Disclosures26PART II5......Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities276.........................................................................................................................................................................[Reserved]277.........