Capstone Energy Plus, Inc.

Capstone Energy Plus, Inc. 0001009759 false 0001009759 2026-08-12 2026-08-12 ​ UNITED STATES 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): August 12, 2026 ​ CAPSTONE ENERGY+, INC. (Exact name of registrant as specified in its charter) ​ ​ ​ ​ ​ Delaware 001-15957 20-1514270 (State or other jurisdiction (Commission File Number) (IRS Employer of incorporation) Identification No.) ​ ​ ​ ​ ​ 16640 Stagg Street, Van Nuys , California ​ 91406 (Address of principal executive offices) ​ (Zip Code) ​ ( 818 ) 734-5300 (Registrant’s telephone number, including area code) ​ Former name or former address, if changed since last report: N/A ​ 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: ​ ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: ​ ​ Title of each class ​ Trading Symbol(s) ​ Name of exchange on which registered Common Stock, par value $0.001 per share ​ CEPL ​ The Nasdaq Global Market 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 August 12, 2026, Capstone Energy+, Inc. (the “Company”) issued a press release announcing its financial results for the first quarter of fiscal year 2027 ended June 30, 2026. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. The information contained in Item 2.02 in this Current Report on Form 8-K (including Exhibit 99.1) is being furnished and 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 Number ​ ​ ​ Description 99.1 ​ Press Release of Capstone Energy+, Inc., dated August 12, 2026 (furnished herewith). 104 ​ Cover Page Interactive Data File (embedded within the Inline XBRL document). ​ ​ ​ SIGNATURE 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 hereunto duly authorized. ​ ​ ​ ​ CAPSTONE ENERGY+, INC. ​ ​ ​ ​ Date: August 12, 2026 By: /s/ John P. Miller ​ ​ Name: John P. Miller ​ ​ Title: Interim Chief Financial Officer ​ ​