{"url_path":"/sec/mbbc/10-q/2026/item-6","section_key":"item-6","section_title":"Item 6 Exhibits","topic":"sec","document":{"doc_type":"10-Q","doc_date":"2026-05-13","source_url":"https://www.sec.gov/Archives/edgar/data/1835385/0001104659-26-059789-index.html","accession_number":"0001104659-26-059789","cik":"0001835385","ticker":"MBBC","issuer_name":"Marathon Bancorp, Inc. /MD/","edgar_url":"https://www.sec.gov/Archives/edgar/data/1835385/0001104659-26-059789-index.html","primary_entity_key":"0001835385","primary_entity_name":"Marathon Bancorp, Inc. /MD/"},"word_count":245,"has_tables":true,"body_markdown":"Item 6.       Exhibits\n\n**Exhibit No.**\n\n  ​ ​ ​ ​\n\n**Description**\n\n \n\n \n\n \n\n31.1\n\n \n\n[Rule 13a-14(a) / 15d-14(a) Certification of the Chief Executive Officer](mara-20260331xex31d1.htm)\n\n31.2\n\n \n\n[Rule 13a-14(a) / 15d-14(a) Certification of the Chief Financial Officer](mara-20260331xex31d2.htm)\n\n32.1\n\n \n\n[Section 1350 Certification of the Chief Executive Officer](mara-20260331xex32d1.htm)\n\n32.2\n\n​\n\n[Section 1350-Certification of the Chief Financial Officer](mara-20260331xex32d2.htm)\n\n101\n\n \n\nThe following materials from Marathon Bancorp, Inc. Form 10-Q for the three and nine months ended March 31, 2026 and 2025, formatted in Inline Extensible Business Reporting Language (iXBRL): (i) the Consolidated Statements of Income, (ii) the Consolidated Balance Sheets, (iii) Consolidated Statements of Cash Flows, and (iv) related notes\n\n104\n\n​\n\nCover Page Interactive Data File – The cover page interactive data file does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document\n\n​\n\n​\n\n61\n\n[Table of Contents](#TOC)\n\nSIGNATURES\n\nPursuant 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.\n\n​\n\n​\n\n​\n\n​\n\n​\n\n**Marathon Bancorp, Inc.**\n\n​\n\n​\n\nDate: May 13, 2026\n\nBy:\n\n/s/ Nicholas W. Zillges\n\n​\n\n​\n\nNicholas W. Zillges\n\n​\n\n​\n\nPresident and Chief Executive\n\n​\n\n​\n\nOfficer (Principal Executive Officer)\n\n​\n\n​\n\n​\n\nDate: May 13, 2026\n\nBy:\n\n/s/ Joy Selting-Buchberger\n\n​\n\n​\n\nJoy Selting-Buchberger\n\n​\n\n​\n\nSenior Vice President and Chief\n\n​\n\n​\n\nFinancial Officer (Principal\n\n​\n\n​\n\nFinancial and Accounting Officer)\n\n​\n\n​\n\n​\n\n​\n\n62"}