Grand Canyon Education, Inc. 10-Q

Item 5. Other Information During the three months ended September 30, 2025, no director or officer of the Company adopted or terminated a “ Rule 10b5-1 trading arrangement ” or “ non-Rule 10b5-1 trading arrangement ,” as each term is defined in Item 408(a) of Regulation S-K. ​ Item 6. Exhibits (a) Exhibits Number Description Method of Filing 3.1 ​ Amended and Restated Certificate of Incorporation. ​ Incorporated by reference to Exhibit 3.1 to the Company’s Annual Report on Form 10-K filed with the SEC on February 20, 2019. ​ ​ ​ ​ ​ 32 Table of Contents 3.2 ​ Third Amended and Restated Bylaws. ​ Incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K filed with the SEC on October 29, 2014. ​ ​ ​ ​ ​ 4.1 ​ Specimen of Stock Certificate. ​ Incorporated by reference to Exhibit 4.1 to Amendment No. 2 to the Company’s Registration Statement on Form S-1 filed with the SEC on September 29, 2008. ​ ​ ​ ​ ​ 31.1 ​ Certification of Principal Executive Officer pursuant to Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. ​ Filed herewith. ​ ​ ​ ​ ​ 31.2 ​ Certification of Principal Financial Officer pursuant to Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. ​ Filed herewith. ​ ​ ​ ​ ​ 32.1 ​ Certification of Principal Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. †† ​ Filed herewith. ​ ​ ​ ​ ​ 32.2 ​ Certification of Principal Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. †† ​ Filed herewith. ​ ​ ​ ​ ​ 101 ​ The following financial statements from the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2025, formatted in Inline XBRL: (i) Consolidated Income Statements, (ii) Consolidated Statements of Comprehensive Income, (iii) Consolidated Balance Sheets, (iv) Consolidated Statements of Stockholders’ Equity, (v) Consolidated Statements of Cash Flows, and (vi) Notes to Consolidated Financial Statements tagged as blocks of text and including detailed tags. ​ Filed herewith. ​ ​ ​ ​ ​ 104 ​ The cover page from the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2025, formatted in Inline XBRL (included as Exhibit 101). ​ Filed herewith. † Indicates a management contract or any compensatory plan, contract or arrangement. †† This certification is being furnished solely to accompany this report pursuant to 18 U.S.C. Section 1350 and is not being filed for purposes of Section 18 of the Exchange Act, and is not to be incorporated by reference into any filings of the Company, whether made before or after the date hereof, regardless of any general incorporation language in such filing. ​ 33 Table of Contents 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, thereunto duly authorized. ​ ​ ​ ​ ​ GRAND CANYON EDUCATION, INC. ​ ​ ​ Date: November 5, 2025 ​ By: /s/ Daniel E. Bachus ​ ​ Daniel E. Bachus ​ ​ Chief Financial Officer ​ ​ (Principal Financial Officer) ​ ​ ​ 34