{"url_path":"/sec/ectm/8-k/2026-05-18/cover-page","section_key":"cover-page","section_title":"Cover Page","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-05-18","source_url":"https://www.sec.gov/Archives/edgar/data/1487798/0001104659-26-063208-index.html","accession_number":"0001104659-26-063208","cik":"0001487798","ticker":"ECTM","issuer_name":"ECA Marcellus Trust I","edgar_url":"https://www.sec.gov/Archives/edgar/data/1487798/0001104659-26-063208-index.html","primary_entity_key":"0001487798","primary_entity_name":"ECA Marcellus Trust I"},"word_count":300,"has_tables":true,"body_markdown":"8-K\n1\ntm2614962d1_8k.htm\nFORM 8-K\n\n**UNITED STATES**\n\n**SECURITIES AND EXCHANGE COMMISSION**\n\n**Washington, D.C. 20549**\n\n**FORM 8-K**\n\n**CURRENT REPORT**\n\n**PURSUANT TO SECTION 13 OR 15(d) OF\nTHE SECURITIES EXCHANGE ACT OF 1934**\n\n**Date of Report (Date of earliest event reported):\nMay 18, 2026**\n\n**ECA MARCELLUS TRUST I**\n\n(Exact name of Registrant as specified in its charter)\n\nDelaware\n001-34800\n27-6522024\n\n(State or other jurisdiction of\n(Commission\n(I.R.S. Employer\n\nincorporation or organization)\nFile Number)\nIdentification No.)\n\n**The Bank of New York Mellon Trust Company, N.A.**\n\n**601 Travis, 16th Floor\nHouston, Texas**\n\n** 77002**\n\n**(Address of principal executive offices)**\n**(Zip Code)**\n\n**Registrant’s telephone number, including\narea code: (512) 236-6555**\n\n**Not applicable**\n\n**(Former name, former address and former fiscal\nyear, if changed since last report)**\n\nCheck the appropriate box below if the\nForm 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions\n(*see*General Instruction A.2. below):\n\n¨\nWritten communications pursuant\nto Rule 425 under the Securities Act (17 CFR 230.425)\n\n¨\nSoliciting material pursuant\nto Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)\n\n¨\nPre-commencement communications\npursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-(b))\n\n¨\nPre-commencement communications\npursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))\n\nSecurities registered pursuant to Section 12(b) of\nthe Act: None.\n\nIndicate by check mark whether the registrant\nis 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\nSecurities Exchange Act of 1934 (17 CFR §240.12b-2).\n\nEmerging\ngrowth company ¨\n\nIf\nan emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying\nwith any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨"}