{"url_path":"/sec/thr/8-k/2026-06-01/cover-page","section_key":"cover-page","section_title":"Cover Page","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-06-01","source_url":"https://www.sec.gov/Archives/edgar/data/1489096/0001104659-26-068666-index.html","accession_number":"0001104659-26-068666","cik":"0001489096","ticker":"THR","issuer_name":"Thermon Group Holdings, Inc.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1489096/0001104659-26-068666-index.html","primary_entity_key":"0001489096","primary_entity_name":"Thermon Group Holdings, Inc."},"word_count":543,"has_tables":true,"body_markdown":"false\n0001489096\n\n0001489096\n\n2026-06-01\n2026-06-01\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 COMMISSION**\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 or 15(d) of\nthe Securities Exchange Act of 1934**\n\n \n\n**Date of Report (Date of earliest event reported):**\n**June 1, 2026**\n\n \n\n**THERMON GROUP HOLDINGS, INC.**\n\n(Exact name of registrant as specified in its\ncharter)\n\n** **\n\n**Delaware**\n \n**001-35159**\n \n**27-2228185**\n\n(State or other jurisdiction\n\nof incorporation )\n \n(Commission\n\nFile Number)\n \n(I.R.S. Employer\n\nIdentification Number)\n\n \n\n**7171 Southwest Parkway Building 300, Suite 200**\n \n \n\n**Austin TX**\n \n**78735**\n\n(Address\nof principal executive offices)\n \n(Zip\ncode)\n\n \n\nRegistrant’s telephone number, including area code: **(512****) 690-0600**\n\n \n\n**Not Applicable**\n\n(Former name or former address, if changed since last report)\n\n \n\nCheck the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under\nany of the following provisions:\n\n \n\n¨Written\ncommunications 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\nSecurities registered pursuant to Section 12(b) of the Act:\n\n \n\n**Title of each class**\n \n**Trading\nSymbol (s)**\n \n**Name of each exchange\n\non which registered**\n\nCommon Stock, $0.001 par value per share\n \nTHR\n \nNew York Stock Exchange\n\n \n\nIndicate by check mark whether the registrant is an emerging growth\ncompany as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities\nExchange 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\nby check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial\naccounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨\n\n \n\n \n\n \n\n \n\n \n\n \n\nAs previously disclosed, on February 23, 2026, CECO Environmental\nCorp., a Delaware corporation (“CECO”), Longhorn Merger Sub, Inc., a Delaware corporation and a direct wholly-owned\nsubsidiary of CECO (“Merger Sub Inc.”), Longhorn Merger Sub LLC, a Delaware limited liability company and a direct wholly-owned\nsubsidiary of CECO (“Merger Sub LLC” and, together with Merger Sub Inc., the “Merger Subs”), and Thermon Group\nHoldings, Inc., a Delaware corporation (“Thermon” or the “Company”), entered into an Agreement and Plan\nof Merger (as amended, supplemented, or restated, the “Merger Agreement”), pursuant to which, among other things, and subject\nto the satisfaction or waiver of the conditions set forth in the Merger Agreement, (i) Merger Sub Inc. was to merge with and into\nthe Company, with the Company continuing as a wholly-owned subsidiary of CECO and the surviving corporation of the merger (the “First\nMerger”), and (ii) the Company, as the surviving corporation of the First Merger, was to merge with and into Merger Sub LLC,\nwith Merger Sub LLC being the surviving entity of the merger (the “Second Merger” and, together with the First Merger, the\n“Mergers”). On June 1, 2026 (the “Closing Date”), following approval by the stockholders of both CECO and\nThermon at an annual meeting and special meeting, respectively, held on May 27, 2026, the Mergers and the other transactions contemplated\nby the Merger Agreement (collectively, the “Transactions”) were consummated."}