{"url_path":"/sec/plmkw/8-k/2026-05-19/item-1-01","section_key":"item-1-01","section_title":"Item 1.01 Entry into a Material Definitive Agreement.**","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-05-19","source_url":"https://www.sec.gov/Archives/edgar/data/2030482/0001213900-26-058613-index.html","accession_number":"0001213900-26-058613","cik":"0002030482","ticker":"PLMK","issuer_name":"Plum Acquisition Corp, IV","edgar_url":"https://www.sec.gov/Archives/edgar/data/2030482/0001213900-26-058613-index.html","primary_entity_key":"0002030482","primary_entity_name":"Plum Acquisition Corp, IV"},"word_count":1823,"has_tables":true,"body_markdown":"**Item 1.01. Entry into a Material Definitive Agreement.**\n\n \n\nAs previously disclosed,\non March 8, 2026, Plum Acquisition Corp. IV, a Cayman Islands exempted company (which will transfer by way of continuation from the Cayman\nIslands to the State of Delaware and domesticate as a Delaware corporation prior to the Closing (as defined below)) (“Plum IV”),\nPlum IV Merger Sub, Inc., a Delaware corporation and a direct wholly owned subsidiary of Plum IV (“Merger Sub”), and\nControlled Thermal Resources Holdings Inc., a Delaware corporation (the “Company”) entered into a Business Combination\nAgreement (the “Business Combination Agreement”, and the transactions contemplated thereby, the “Transactions”),\npursuant to which, among other things and subject to the terms and conditions contained therein, Merger Sub will merge with and into the\nCompany, with the Company continuing as the surviving company.\n\n \n\nOn May 15, 2026, Plum\nIV, the Company and Merger Sub entered into an amendment to the Business Combination Agreement (the “BCA Amendment”),\nwhich amends the Business Combination Agreement to, among other things, (i) extend the date by which the Company is required to deliver\nfinancial statements and pro forma financial information of the Company required to be included in the proxy statement/prospectus from\nMay 15, 2026 to June 15, 2026 and June 30, 2026, respectively; (ii) extend the date by which Plum IV, the Company and Merger Sub are required\nto make any filings or applications required under antitrust laws with respect to the Transactions from April 17, 2026 to July 31, 2026;\nand (iii) extend the dates by which the Company is required to deliver certain material consents from May 7, 2026 to the dates listed\non Schedule 8.01(m) to the Business Combination Agreement.\n\n \n\nThe foregoing description\nof the form of the BCA Amendment does not purport to be complete and is qualified in its entirety by reference to the full text of the\nBCA Amendment, a copy of which is filed as Exhibit 10.1 to this Current Report on Form 8-K (“Current Report”), and\nincorporated herein by reference.\n\n \n\n**Additional Information\nand Where to Find It**\n\n \n\nIn connection with the\nTransactions, Plum IV and the Company intend to file with the SEC a registration statement on Form S-4 (the “Registration Statement”),\nwhich will include a preliminary proxy statement of Plum IV as well as a preliminary prospectus relating to the offer of securities to\nbe issued to the stockholders of the Company (the “Proxy Statement/Prospectus”). After the Registration Statement\nis declared effective, a definitive proxy statement and other relevant documents will be mailed to shareholders of Plum IV as of the\nrecord date to be established for voting on the Transactions and other matters as described in the Proxy Statement/Prospectus. Plum IV\nwill also file other documents regarding the Transactions with the SEC. This Current Report does not contain all of the information that\nshould be considered concerning the Transactions and is not intended to form the basis of any investment decision or any other decision\nin respect of the Transactions. BEFORE MAKING ANY VOTING OR INVESTMENT DECISION, SHAREHOLDERS OF PLUM IV AND OTHER INTERESTED PARTIES\nARE URGED TO READ, WHEN AVAILABLE, THE PRELIMINARY PROXY STATEMENT/PROSPECTUS, AND AMENDMENTS THERETO, AND THE DEFINITIVE PROXY STATEMENT/PROSPECTUS\nAND ALL OTHER RELEVANT DOCUMENTS FILED OR THAT WILL BE FILED WITH THE SEC IN CONNECTION WITH PLUM IV’S SOLICITATION OF PROXIES\nFOR THE EXTRAORDINARY GENERAL MEETING OF ITS SHAREHOLDERS TO BE HELD TO APPROVE THE TRANSACTIONS AND OTHER MATTERS AS DESCRIBED IN THE\nPROXY STATEMENT/PROSPECTUS BECAUSE THESE DOCUMENTS WILL CONTAIN IMPORTANT INFORMATION ABOUT PLUM IV, the Company AND THE TRANSACTIONS.\nInvestors and security holders will also be able to obtain copies of the Registration Statement and the Proxy Statement/Prospectus and\nall other documents filed or to be filed with the SEC by Plum IV, without charge, once available, on the SEC’s website at www.sec.gov\nor by directing a request to: Plum Acquisition Corp. IV, 2021 Fillmore St., #2089, San Francisco, California 94115, Attention: Kanishka\nRoy, or by email at plumir@icrinc.com.\n\n \n\n1\n\n \n\n**Participants in\nthe Solicitation**\n\n \n\nPlum IV, the Company\nand their respective directors and executive officers may be deemed participants under SEC rules in the solicitation of proxies from Plum\nIV’s shareholders in connection with the Transactions. A list of the names of such directors and executive officers and information\nregarding their interests in the Transactions and their ownership of Plum IV’s securities is, or will be, contained in Plum IV’s\nfilings with the SEC. Additional information regarding the interests of the persons who may, under SEC rules, be deemed participants in\nthe solicitation of proxies from Plum IV’s shareholders in connection with the Transactions, including the names and interests of\nthe Company’s directors and executive officers, will be set forth in the Proxy Statement/Prospectus, which is expected to be filed\nby Plum IV and the Company with the SEC. Investors and security holders may obtain free copies of these documents as described above.\n\n  \n\n**No Offer or Solicitation**\n\n \n\nThis Current Report is\nfor informational purposes only and is not a proxy statement or solicitation of a proxy, consent or authorization with respect to any\nsecurities or in respect of the Transactions and shall not constitute an offer to sell or exchange, or a solicitation of an offer to buy\nor exchange the securities of Plum IV or the Company, or any commodity or instrument or related derivative, nor shall there be any sale\nof any such securities in any state or jurisdiction in which such offer, solicitation, sale or exchange would be unlawful prior to registration\nor qualification under the securities laws of any such state or jurisdiction. This Current Report is not, and under no circumstances is\nto be construed as, a prospectus, an advertisement or a public offering of the securities described herein in the United States or any\nother jurisdiction. No offer of securities shall be made except by means of a prospectus meeting the requirements of the Securities Act\nor an exemption therefrom. Investors should consult with their counsel as to the applicable requirements for a purchaser to avail itself\nof any exemption under the Securities Act.\n\n \n\n**Forward-Looking\nStatements**\n\n \n\nThis Current Report and\nthe exhibits attached hereto contain certain forward-looking statements within the meaning of the U.S. federal securities laws with\nrespect to the Transactions and the parties thereto. All statements contained in this Current Report other than statements of historical\nfact, including, without limitation, statements regarding the Transactions between Plum IV and the Company; the anticipated benefits and\ntiming of the Transactions; expected trading of the combined company’s securities on the Nasdaq; the building of the Company’s\nflagship Hell’s Kitchen Project; the anticipated benefits and timing of the Company’s flagship Hell’s Kitchen Project,\nthe combined company’s future financial performance; the ability of the combined company to execute its business strategy, its market\nopportunity and positioning; and other statements regarding management’s intentions, beliefs, or expectations with respect to the\ncombined company’s future performance, are forward-looking statements.\n\n \n\nForward-looking statements\nare often identified by the use of words such as “anticipate,” “believe,” “continue,” “could,”\n“estimate,” “expect,” “intend,” “may,” “might,” “plan,” “potential,”\n“predict,” “project,” “should,” “will,” “would,” and similar expressions,\nbut the absence of these words does not mean that a statement is not forward-looking.\n\n \n\n2\n\n \n\nThese forward-looking\nstatements are based on the current expectations and assumptions of Plum IV and the Company and are subject to risks and uncertainties\nthat could cause actual results to differ materially from those expressed or implied by such forward-looking statements. Such risks and\nuncertainties include, but are not limited to: (1) the occurrence of any event, change or other circumstances that could give rise to\nthe termination of the Business Combination Agreement; (2) the outcome of any legal proceedings that may be instituted against the parties\nfollowing the announcement of the Transactions and any definitive agreements with respect thereto; (3) the inability to complete the Transactions,\nincluding due to failure to obtain approval of the shareholders of Plum IV and the Company or other conditions to closing; (4) the risk\nthat the Transactions may not be completed by Plum IV’s business combination deadline and the potential failure to obtain an extension\nof the business combination deadline if sought by Plum IV; (5) the inability to maintain the listing of Plum IV’s securities or\nto obtain or maintain the listing of the combined company’s securities on the Nasdaq, the New York Stock Exchange, or another national\nsecurities exchange following the Transactions; (6) the risk that the Transactions disrupts the Company’s current plans, business\nrelationships, performance, operations and business generally as a result of the announcement and consummation of the Transactions; (7)\nthe risk that the price of the combined company’s securities may be volatile due to a variety of factors, including changes in laws,\nregulations, technologies, natural disasters, geopolitical tensions, and macro-economic and social environments affecting its business;\n(8) the ability to recognize the anticipated benefits of the Transactions, which may be affected by, among other things, competition,\nthe ability of the combined company to grow and manage growth profitably and retain its key employees; (9) costs related to the Transactions;\n(10) changes in applicable laws or regulations; (11) risks related to the Company’s business, including fluctuations in demand and\nprices for lithium and other critical minerals, competition within the industry, the risks inherent in development projects and exploration\nactivities, potential delays or cost overruns in capital expenditures, the ability to secure necessary raw materials, compliance with\nregulatory requirements, environmental and safety obligations, economic and market conditions, and political or geopolitical developments;\nand (12) other risks detailed from time to time in Plum IV’s filings with the SEC, including the Registration Statement and related\ndocuments filed or to be filed in connection with the Transactions.\n\n  \n\nThe foregoing list\nof risk factors is not exhaustive. You should carefully consider the foregoing factors and the other risks and uncertainties\ndescribed in the “Risk Factors” section of Plum IV’s Annual Report on Form 10-K filed with the SEC on March 31,\n2026, Plum IV’s Quarterly Report on Form 10-Q filed with the SEC on May 15, 2026, subsequent Quarterly Reports on Form 10-Q and the\nRegistration Statement and Proxy Statement/Prospectus that will be filed by Plum IV and the Company, and other documents filed by\nPlum IV from time to time with the SEC, as well as the list of risk factors included herein. These filings identify and address\nother important risks and uncertainties that could cause actual results to differ materially from those contained in the\nforward-looking statements. Additional risks and uncertainties not currently known or that are currently deemed immaterial may also\ncause actual results to differ materially from those expressed or implied by such forward-looking statements. Readers are cautioned\nnot to put undue reliance on forward-looking statements, and none of the parties or any of their representatives assumes any\nobligation and do not intend to update or revise these forward-looking statements, each of which is made only as of the date of this\nCurrent Report."}