{"url_path":"/sec/unl/8-k/2026-06-29/cover-page","section_key":"cover-page","section_title":"Cover Page","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-06-29","source_url":"https://www.sec.gov/Archives/edgar/data/1405513/0001104659-26-078526-index.html","accession_number":"0001104659-26-078526","cik":"0001405513","ticker":"UNL","issuer_name":"United States 12 Month Natural Gas Fund, LP","edgar_url":"https://www.sec.gov/Archives/edgar/data/1405513/0001104659-26-078526-index.html","primary_entity_key":"0001405513","primary_entity_name":"United States 12 Month Natural Gas Fund, LP"},"word_count":321,"has_tables":true,"body_markdown":"false\n0001405513\n\n0001405513\n\n2026-06-29\n2026-06-29\n\niso4217:USD\n\nxbrli:shares\n\niso4217:USD\n\nxbrli:shares\n\n \n\n \n\n \n\n**UNITED STATES**\n\n**SECURITIES AND EXCHANGE\nCOMMISSION**\n\n**Washington, D.C. 20549**\n\n** **\n\n**FORM 8-K**\n\n** **\n\n**CURRENT REPORT**\n\n**PURSUANT TO SECTION 13\nOR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934**\n\n** **\n\nDate of Report (Date of\nearliest event reported): June 29, 2026\n\n** **\n\n**UNITED\nSTATES 12 MONTH NATURAL GAS FUND, LP**\n\n(Exact name of registrant\nas specified in its charter)\n\n \n\n**Delaware**\n**001-34535**\n**26-0431733**\n\n(State\nor other jurisdiction\n\nof\nincorporation)\n\n(Commission File Number)\n(I.R.S. Employer\n\nIdentification No.)\n\n** **\n\n \n**1850\nMt. Diablo Boulevard****, Suite 640**\n**Walnut\nCreek****, California****94596**\n \n\n**(510****) 522-9600**\n\nRegistrant’s telephone number,\nincluding area code \n(Address of principal executive\noffices) (Zip Code)\n \n\n** **\n\n**Not Applicable**\n\n(Former name or former address,\nif changed since last report)\n\n \n\nCheck the appropriate box below if the Form 8-K\nfiling is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General\nInstruction A.2. below):\n\n \n\n¨Written\ncommunication pursuant to Rule 425 under the Securities Act (17 CFR 230.425)\n\n \n\n¨Soliciting\nmaterial pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)\n\n \n\n¨Pre-commencement\ncommunications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))\n\n \n\n¨Pre-commencement\ncommunications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))\n\n \n\nIndicate by check mark whether the registrant is\nan emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the\nSecurities Exchange Act of 1934 (§240.12b-2 of this chapter).\n\n \n\nEmerging growth company    \n¨\n\n \n\nIf an emerging growth company, indicate by check\nmark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting\nstandards provided pursuant to Section 13(a) of the Exchange Act. ¨\n\n \n\nSecurities registered pursuant to Section 12(b)\nof the Act:\n\n \n\n**Title\nof each class**\n \n**Trading\nSymbol(s)**\n \n**Name\nof each exchange on which registered:**\n\nShares\nof United States 12 Month Natural Gas Fund, LP\n \nUNL\n \nNYSE\nArca, Inc."}