Eagle Nuclear Energy Corp.

Item 4.01. Changes in Registrant’s Certifying Accountant. As previously disclosed, on August 4, 2026, the audit committee of the board of directors (the “Board”) of Eagle Nuclear Energy Corp. (the “Company”) approved the engagement of CBIZ CPAs P.C. (“CBIZ CPAs”) as the Company’s independent registered public accounting firm for the Company’s fiscal year ending November 30, 2026. The Company’s engagement of CBIZ CPAs remained subject to the completion of CBIZ CPAs’ customary client acceptance processes and execution of an engagement letter. On August 5, 2026, CBIZ CPAs confirmed that such client acceptance procedures were complete, and the Company formally engaged CBIZ CPAs as its independent registered public accounting firm. During the fiscal year ended November 30, 2025 and for the period from December 14, 2023 (inception) through November 30, 2024, and the subsequent interim period through the date of this report, neither the Company, nor anyone on its behalf, consulted CBIZ CPAs regarding either (i) the application of accounting principles to a specified transaction, either completed or proposed, or the type of audit opinion that might be rendered with respect to the consolidated financial statements of the Company, and no written report or oral advice was provided to the Company by CBIZ CPAs that was an important factor considered by the Company in reaching a decision as to any accounting, auditing or financial reporting issue; or (ii) any matter that was the subject of a “disagreement” (as defined in Item 304(a)(1)(iv) of Regulation S-K and the related instructions) or a “reportable event” (as that term is defined in Item 304(a)(1)(v) of Regulation S-K).

Item 7.01 Regulation FD Disclosure. On August 5, 2026, the Company issued a press release announcing the engagement of CBIZ CPAs (the “Press Release”). A copy of the Press Release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. The information in Item 7.01 of this Current Report on Form 8-K, including the Press Release furnished as Exhibit 99.1 hereto 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, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing. Item 9.01. Financial Statements and Exhibits. (d) Exhibits Exhibit No. Description ──────────────────────────────────────────────────────────────────────────────────────────────── 99.1 Press Release, dated August 5, 2026 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)