and shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section. We do not have, and expressly disclaim, any obligation to release publicly any updates or any changes in our expectations or any change in events, conditions, or circumstances on which any forward-looking statement is based. The text included with this Current Report on Form 8-K is available on our website located at h…

and shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section. We do not have, and expressly disclaim, any obligation to release publicly any updates or any changes in our expectations or any change in events, conditions, or circumstances on which any forward-looking statement is based. The text included with this Current Report on Form 8-K is available on our website located at h…

Termination of a Material Definitive Agreement. On March 12, 2026, contemporaneously with the execution and delivery of the TCB Loan Agreement, that certain Loan, Security and Guaranty Agreement, dated as of August 5, 2020, as amended, with PNC Bank, National Association, successor to BBVA USA, as a lender, and as administrative agent, collateral agent, and issuing bank, was terminated in accordance with its terms thereof and all outstanding amounts thereunder were repaid.

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. Certain information with respect to the Monroe Eighth Amendment and TCB Loan Agreement set forth above in

and shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section. We do not have, and expressly disclaim, any obligation to release publicly any updates or any changes in our expectations or any change in events, conditions, or circumstances on which any forward-looking statement is based. The text included with this Current Report on Form 8-K is available on our website located at h…

Monroe Warrants Amendment As previously disclosed, on October 19, 2020 the Company granted a warrant to purchase 500,000 shares exercisable immediately and subsequently issued a warrant to purchase 350,000 shares on October 19, 2021 to affiliates of Monroe (the “Holders”) in connection with the financing (the “Warrants”). On March 12, 2026, the Company and the Holders entered into an Amendment to Warrant to Purchase Common Stock to each of the Warrants to extend the expiration date of the War…

and shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section. We do not have, and expressly disclaim, any obligation to release publicly any updates or any changes in our expectations or any change in events, conditions, or circumstances on which any forward-looking statement is based. The text included with this Current Report on Form 8-K is available on our website located at h…

Chief Operating Officer and Executive Vice President — David P. Sweitzer: David P. Sweitzer resigned from his positions with the Company.

and shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section. We do not have, and expressly disclaim, any obligation to release publicly any updates or any changes in our expectations or any change in events, conditions, or circumstances on which any forward-looking statement is based. The text included with this Current Report on Form 8-K is available on our website located at h…

Entry into a Material Definitive Agreement. On May 12, 2025, Quest Resource Holding Corporation (the “Company”) and certain of its domestic subsidiaries entered into an amendment (the “Monroe Seventh Amendment”) to that certain Credit Agreement, dated as of October 19, 2020 (as amended by that certain First Amendment to Credit Agreement, dated as of September 3, 2021, that certain Second Amendment to Credit Agreement, dated as of December 1, 2021, that certain Third Amendment to Credit Agreem…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. Certain information with respect to the Monroe Seventh Amendment and PNC Sixth Amendment set forth above in

and shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section. We do not have, and expressly disclaim, any obligation to release publicly any updates or any changes in our expectations or any change in events, conditions, or circumstances on which any forward-looking statement is based. The text included with this Current Report on Form 8-K is available on our website located at h…

Entry into a Material Definitive Agreement. On May 7, 2025, Quest Resource Holding Corporation (the “Company”) entered into a Cooperation Agreement (the “Cooperation Agreement”) with the persons and entities listed on Exhibit A thereto (collectively, the “Wynnefield Group”) regarding certain changes to the composition of the Company’s Board of Directors (the “Board”) and other related matters. Pursuant to the terms of the Cooperation Agreement, the Company has agreed to: (1) increase the size…

Director — Robert Lipstein: Mr. Robert Lipstein was appointed to the Board and will join the Audit Committee.

Entry into a Material Definitive Agreement. On March 31, 2025, Quest Resource Management Group, LLC (“Seller”), a wholly-owned subsidiary of Quest Resource Holding Corporation (the “Company”), entered into an asset purchase agreement (the “APA”) by and between Seller and Lincoln Waste Solutions, LLC, a Connecticut limited liability company (“Purchaser”), and completed the sale to Purchaser of substantially all of the assets used in the business of Seller, as set forth in the APA (the “Transac…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registration. Certain information with respect to the Monroe Amendment and the PNC Amendment set forth above in

President and Chief Executive Officer — S. Ray Hatch: S. Ray Hatch is retiring from his positions as President and CEO, with Perry W. Moss appointed as the new President and CEO.

of this Current Report on Form 8-K and Exhibit 99.1 attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (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 or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Entry into a Material Definitive Agreement. On December 30, 2024, Quest Resource Holding Corporation (the “Company”) and certain of its domestic subsidiaries entered into an amendment (the “Monroe Sixth Amendment”) to that certain Credit Agreement, dated as of October 19, 2020 (as amended by that certain First Amendment to Credit Agreement, dated as of September 3, 2021, that certain Second Amendment to Credit Agreement, dated as of December 1, 2021, that certain Third Amendment to Credit Agr…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. Certain information with respect to the Monroe Sixth Amendment and PNC Fifth Amendment set forth above in

and shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section. We do not have, and expressly disclaim, any obligation to release publicly any updates or any changes in our expectations or any change in events, conditions, or circumstances on which any forward-looking statement is based. The text included with this Current Report on Form 8-K is available on our website located at h…

The filing describes the approval of a long-term incentive plan and PSU awards for named executive officers.

and shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section. We do not have, and expressly disclaim, any obligation to release publicly any updates or any changes in our expectations or any change in events, conditions, or circumstances on which any forward-looking statement is based. The text included with this Current Report on Form 8-K is available on our website located at h…

and shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section. We do not have, and expressly disclaim, any obligation to release publicly any updates or any changes in our expectations or any change in events, conditions, or circumstances on which any forward-looking statement is based. The text included with this Current Report on Form 8-K is available on our website located at h…

Entry into a Material Definitive Agreement. On March 29, 2024, Quest Resource Holding Corporation (the “Company”) and certain of its domestic subsidiaries entered into an amendment (the “Monroe Fifth Amendment”) to that certain Credit Agreement, dated as of October 19, 2020 (as amended by that certain First Amendment to Credit Agreement, dated as of September 3, 2021, that certain Second Amendment to Credit Agreement, dated as of December 1, 2021, that certain Third Amendment to Credit Agreem…