Results of Operations

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549   FORM 8-K   CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934   Date of Report (date of earliest event reported): May 15, 2026   SUNation Energy, Inc. (Exact name of Registrant as Specified in its Charter)    Delaware (State Or Other Jurisdiction Of Incorporation)    001-31588   41-0957999 (Commission File Number)   (I.R.S. Employer Identification No.)   171 Remington Boulevard Ronkonkoma , NY   11779 (Address of Principal Executive Offices)   (Zip Code)   ( 631 ) 750-9454 Registrant’s Telephone Number, Including Area Code    Securities registered pursuant to Section 12(b) of the Act   Title of Each Class   Trading Symbol   Name of each exchange on which registered Common Stock, par value, $.05 per share   SUNE   The Nasdaq Stock Market, LLC   Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions ( see General Instruction A.2. below):   ☐ Written communications pursuant to Rule 425 under the Securities Act   ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act   ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act   ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act   Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).   Emerging growth company ☐   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 revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐             Item 2.02. Results of Operations and Financial Condition.   On April 15, 2026, SUNation Energy, Inc. (the “Company”) issued a press release (the “Press Release”) announcing financial results for the Company for the quarter ended March 31, 2026. A copy of the Press Release is furnished as Exhibit 99.1 to this current report.   The information contained in this Item 2.02 and in the Press Release furnished as Exhibit 99.1 to this current report shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section or Sections 11 and 12(a)(2) of the Securities Act of 1933, as amended. The information contained in this Item 2.02 and in the Press Release furnished as Exhibit 99.1 to this current report shall not be incorporated by reference into any filing with the U.S. Securities and Exchange Commission made by the Company whether made before or after the date hereof, regardless of any general incorporation language in such filing.   The statements in this current report on Form 8-K, and in Exhibit 99.1 hereto, contain “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements are based on current expectations and beliefs about future events or circumstances, and investors should not place undue reliance on these statements. Such statements involve known and unknown risks, uncertainties, assumptions and other factors, many of which are out of the Company’s control and difficult to forecast. These factors may cause actual results to differ materially from those that are anticipated. See the Company’s Annual Report on Form 10-K, Quarterly Reports on Form 10-Q, and other reports and material that it files with the Securities and Exchange Commission for a further description of these and other risks and uncertainties. The Company assumes no, and hereby disclaims any obligation to update any forward-looking statements, but reserves the right to make such updates from time to time without the need for specific reference to this Form 8-K or the press release furnished as Exhibit 99.1 hereto. No such update shall be deemed to indicate that other statements which are not addressed by such an update remain correct or create an obligation to provide any other updates. This Current Report on Form 8-K is not intended to and shall not constitute an offer to buy or sell or the solicitation of an offer to buy or sell any securities, or a solicitation of any vote or approval, nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. No offer of securities shall be made, except by means of a prospectus meeting the requirements of Section 10 of the Securities Act.   Item 9.01 Financial Statements and Exhibits.   Exhibit No.   Description 99.1   Press Release dated May 15, 2026 104   Cover Page Interactive Data File (embedded within the Inline XBRL document)   1       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.     SUNATION ENERGY, INC.       By:  /s/ James Brennan     James Brennan     Chief Financial Officer       Date: May 15, 2026       2