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The RSUs are scheduled to vest on August 13, 2027."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (a) 67,803 RSUs that are scheduled to fully vest on March 1, 2027, (b) 28,767 RSUs that are scheduled to fully vest on August 13, 2027 and (c) 49,085 shares of common stock beneficially owned by Mr. Friedberg."}],"balance_after":145655,"source":{"system":"sec-edgar","filing":"0000921895-26-002225","document":"form412364002fri_08172026.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1448795/000092189526002225/form412364002fri_08172026.xml","form_type":"4"}},{"id":685376,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":867,"kind":"person","name":"Dunning Audrey","position":1,"cik":"0001800836","reported_name":"Dunning Audrey","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-08-17T21:29:12.000Z","date":"2026-08-13","kind":"grant","planned":false,"acquired":true,"shares":28767,"price":1.46,"value":41999.82,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These reported securities represent restricted stock units (\"RSUs\") granted on August 13, 2026 under the Issuer's 2024 Incentive Compensation Plan. 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The RSUs are scheduled to vest on August 13, 2027."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (a) 8,498 RSUs that are scheduled to fully vest on March 1, 2027, (b) 28,767 RSUs that are scheduled to fully vest on August 13, 2027 and (c) 52,485 shares of common stock beneficially owned by the Reporting Person."}],"balance_after":89750,"source":{"system":"sec-edgar","filing":"0000921895-26-002224","document":"form412364002dun_08172026.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1442236/000092189526002224/form412364002dun_08172026.xml","form_type":"4"}},{"id":685375,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":853,"kind":"person","name":"Culpepper Glenn","position":1,"cik":"0001566800","reported_name":"Culpepper Glenn","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-08-17T21:27:33.000Z","date":"2026-08-13","kind":"grant","planned":false,"acquired":true,"shares":28767,"price":1.46,"value":41999.82,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These reported securities represent restricted stock units (\"RSUs\") granted on August 13, 2026 under the Issuer's 2024 Incentive Compensation Plan. 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The shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer."}],"balance_after":46676,"source":{"system":"sec-edgar","filing":"0000921895-26-001539","document":"form412364002tom_06022026.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1685481/000092189526001539/form412364002tom_06022026.xml","form_type":"4"}},{"id":754596,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":876,"kind":"person","name":"Nolan Stephen A","position":1,"cik":"0001578531","reported_name":"Nolan Stephen A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-02T23:44:44.000Z","date":"2026-05-31","kind":"grant","planned":false,"acquired":true,"shares":2966,"price":1.18,"value":3499.88,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These reported securities represent restricted stock units (\"RSUs\") granted on May 31, 2026 under the Issuer's 2024 Incentive Compensation Plan. 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The RSUs are scheduled to vest on May 31, 2027."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (a) 2,966 RSUs that are scheduled to fully vest on May 31, 2027, (b) 20,000 RSUs that are scheduled to fully vest on August 13, 2026 and (c) 92,585 shares of common stock beneficially owned by the Reporting Person, of which 5,000 are held jointly by the Reporting Person and his spouse."}],"balance_after":115551,"source":{"system":"sec-edgar","filing":"0000921895-26-001538","document":"form412364002nol_06022026.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1442236/000092189526001538/form412364002nol_06022026.xml","form_type":"4"}},{"id":754595,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":875,"kind":"person","name":"Lipstein Robert J","position":1,"cik":"0001701946","reported_name":"Lipstein Robert J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-02T23:42:41.000Z","date":"2026-05-31","kind":"grant","planned":false,"acquired":true,"shares":2966,"price":1.18,"value":3499.88,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These reported securities represent deferred stock units (\"DSUs\") granted under the Issuer's 2024 Incentive Compensation Plan. 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The RSUs are scheduled to vest on May 31, 2027."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (a) 23,661 RSUs that are scheduled to fully vest on May 31, 2027, (b) 20,000 RSUs that are scheduled to fully vest on August 13, 2026 and (c) 29,085 shares of common stock beneficially owned by Mr. Friedberg."}],"balance_after":72746,"source":{"system":"sec-edgar","filing":"0000921895-26-001536","document":"form412364002fri_06022026.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1448795/000092189526001536/form412364002fri_06022026.xml","form_type":"4"}},{"id":754594,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":867,"kind":"person","name":"Dunning Audrey","position":1,"cik":"0001800836","reported_name":"Dunning Audrey","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-02T23:38:41.000Z","date":"2026-05-31","kind":"grant","planned":false,"acquired":true,"shares":2966,"price":1.18,"value":3499.88,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These reported securities represent restricted stock units (\"RSUs\") granted on May 31, 2026 under the Issuer's 2024 Incentive Compensation Plan. 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The shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer."}],"balance_after":85767,"source":{"system":"sec-edgar","filing":"0000921895-26-000031","document":"form412364002nol_01052026.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1442236/000092189526000031/form412364002nol_01052026.xml","form_type":"4"}},{"id":951519,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":888,"kind":"person","name":"Tomolonius Sarah","position":1,"cik":"0001685481","reported_name":"Tomolonius Sarah","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-01-06T00:45:52.000Z","date":"2025-12-31","kind":"grant","planned":false,"acquired":true,"shares":1881,"price":1.86,"value":3498.66,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These reported securities represent deferred stock units (\"DSUs\") granted under the Issuer's 2024 Incentive Compensation Plan. 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The shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer."}],"balance_after":40095,"source":{"system":"sec-edgar","filing":"0000921895-26-000030","document":"form412364002tom_01052026.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1685481/000092189526000030/form412364002tom_01052026.xml","form_type":"4"}},{"id":958114,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":853,"kind":"person","name":"Culpepper Glenn","position":1,"cik":"0001566800","reported_name":"Culpepper Glenn","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-12-29T21:05:20.000Z","date":"2025-12-23","kind":"purchase","planned":false,"acquired":true,"shares":5000,"price":1.96,"value":9800.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes (a) 20,000 RSUs that are scheduled to fully vest on August 13, 2026 and (b) 36,585 shares of common stock beneficially owned by the Reporting Person."}],"balance_after":56585,"source":{"system":"sec-edgar","filing":"0000921895-25-003397","document":"form412364002_12292025.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1442236/000092189525003397/form412364002_12292025.xml","form_type":"4"}},{"id":983561,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":888,"kind":"person","name":"Tomolonius Sarah","position":1,"cik":"0001685481","reported_name":"Tomolonius Sarah","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-12-02T22:06:58.000Z","date":"2025-11-30","kind":"grant","planned":false,"acquired":true,"shares":1861,"price":1.88,"value":3498.68,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These reported securities represent deferred stock units (\"DSUs\") granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The reported securities include (a) 18,027 DSUs granted under the Issuer's 2012 Incentive Compensation Plan and (b) 20,187 DSUs granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer."}],"balance_after":38214,"source":{"system":"sec-edgar","filing":"0000921895-25-003248","document":"form412364002tom_12022025.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1685481/000092189525003248/form412364002tom_12022025.xml","form_type":"4"}},{"id":983480,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":876,"kind":"person","name":"Nolan Stephen A","position":1,"cik":"0001578531","reported_name":"Nolan Stephen A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-12-02T22:05:19.000Z","date":"2025-11-30","kind":"grant","planned":false,"acquired":true,"shares":1861,"price":1.88,"value":3498.68,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These reported securities represent deferred stock units (\"DSUs\") granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The reported securities include (a) 63,657 DSUs granted under the Issuer's 2012 Incentive Compensation Plan and (b) 20,229 DSUs granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer."}],"balance_after":83886,"source":{"system":"sec-edgar","filing":"0000921895-25-003246","document":"form412364002nol_12022025.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1442236/000092189525003246/form412364002nol_12022025.xml","form_type":"4"}},{"id":983484,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":870,"kind":"person","name":"FRIEDBERG DANIEL M.","position":1,"cik":"0001448795","reported_name":"FRIEDBERG DANIEL M.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":871,"kind":"organization","name":"Hampstead Park Capital Management, LLC","position":2,"cik":"0001773816","reported_name":"Hampstead Park Capital Management, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":872,"kind":"organization","name":"Hampstead Park Environmental Services Investment Fund LLC","position":3,"cik":"0001773840","reported_name":"Hampstead Park Environmental Services Investment Fund LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-12-02T22:03:21.000Z","date":"2025-11-30","kind":"grant","planned":false,"acquired":true,"shares":7987,"price":1.88,"value":15015.56,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These reported securities represent deferred stock units (\"DSUs\") granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such DSUs shall be issued upon Mr. Friedberg's separation from service with the Issuer."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The reported securities include (a) 18,153 DSUs granted under the Issuer's 2012 Incentive Compensation Plan and (b) 29,418 DSUs granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such DSUs shall be issued upon Mr. Friedberg's separation from service with the Issuer."}],"balance_after":47571,"source":{"system":"sec-edgar","filing":"0000921895-25-003245","document":"form412364002fri_12022025.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1448795/000092189525003245/form412364002fri_12022025.xml","form_type":"4"}},{"id":1008162,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":888,"kind":"person","name":"Tomolonius Sarah","position":1,"cik":"0001685481","reported_name":"Tomolonius Sarah","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-11-04T21:31:01.000Z","date":"2025-10-31","kind":"grant","planned":false,"acquired":true,"shares":2302,"price":1.52,"value":3499.04,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These reported securities represent deferred stock units (\"DSUs\") granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The reported securities include (a) 18,027 DSUs granted under the Issuer's 2012 Incentive Compensation Plan and (b) 18,326 DSUs granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer."}],"balance_after":36353,"source":{"system":"sec-edgar","filing":"0000921895-25-002884","document":"form412364002tom_11042025.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1685481/000092189525002884/form412364002tom_11042025.xml","form_type":"4"}},{"id":1008082,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":876,"kind":"person","name":"Nolan Stephen A","position":1,"cik":"0001578531","reported_name":"Nolan Stephen A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-11-04T21:29:31.000Z","date":"2025-10-31","kind":"grant","planned":false,"acquired":true,"shares":2302,"price":1.52,"value":3499.04,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These reported securities represent deferred stock units (\"DSUs\") granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The reported securities include (a) 63,657 DSUs granted under the Issuer's 2012 Incentive Compensation Plan and (b) 18,368 DSUs granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer."}],"balance_after":82025,"source":{"system":"sec-edgar","filing":"0000921895-25-002883","document":"form412364002nol_11042025.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1442236/000092189525002883/form412364002nol_11042025.xml","form_type":"4"}},{"id":1013311,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":73947,"kind":"person","name":"KITT BARRY M","position":1,"cik":"0001165244","reported_name":"KITT BARRY M","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.001 par value per share","published_at":"2025-10-27T21:46:30.000Z","date":"2025-10-27","kind":"purchase","planned":false,"acquired":true,"shares":62867,"price":1.3607,"value":85543.1269,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"Barry M. Kitt exercises investment discretion and control over the securities of the Issuer held by Pinnacle Family Office Investments, L.P. (\"Pinnacle\"). Mr. Kitt may be deemed to be the beneficial owner of the securities beneficially owned by Pinnacle. Mr. Kitt hereby disclaims beneficial ownership of the shares of common stock reported herein except to the extent of his direct or indirect pecuniary interest therein, and this Form 4 is not an admission that Mr. Kitt is the beneficial owner of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"This Form 4 is filed on behalf of Pinnacle and Barry M. Kitt. Pinnacle Family Office, LLC (\"Pinnacle Family\") is the general partner of Pinnacle. Mr. Kitt is the manager of Pinnacle Family."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Held by Pinnacle."}],"balance_after":2692248,"source":{"system":"sec-edgar","filing":"0001062993-25-016311","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1165244/000106299325016311/form4.xml","form_type":"4"}},{"id":1013310,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":73947,"kind":"person","name":"KITT BARRY M","position":1,"cik":"0001165244","reported_name":"KITT BARRY M","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.001 par value per share","published_at":"2025-10-27T21:46:30.000Z","date":"2025-10-24","kind":"purchase","planned":false,"acquired":true,"shares":33480,"price":1.3286,"value":44481.528,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"Barry M. Kitt exercises investment discretion and control over the securities of the Issuer held by Pinnacle Family Office Investments, L.P. (\"Pinnacle\"). Mr. Kitt may be deemed to be the beneficial owner of the securities beneficially owned by Pinnacle. Mr. Kitt hereby disclaims beneficial ownership of the shares of common stock reported herein except to the extent of his direct or indirect pecuniary interest therein, and this Form 4 is not an admission that Mr. Kitt is the beneficial owner of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"This Form 4 is filed on behalf of Pinnacle and Barry M. Kitt. Pinnacle Family Office, LLC (\"Pinnacle Family\") is the general partner of Pinnacle. Mr. Kitt is the manager of Pinnacle Family."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Held by Pinnacle."}],"balance_after":2629381,"source":{"system":"sec-edgar","filing":"0001062993-25-016311","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1165244/000106299325016311/form4.xml","form_type":"4"}},{"id":1013309,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":73947,"kind":"person","name":"KITT BARRY M","position":1,"cik":"0001165244","reported_name":"KITT BARRY M","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.001 par value per share","published_at":"2025-10-27T21:46:30.000Z","date":"2025-10-23","kind":"purchase","planned":false,"acquired":true,"shares":103412,"price":1.2626,"value":130567.9912,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"Barry M. Kitt exercises investment discretion and control over the securities of the Issuer held by Pinnacle Family Office Investments, L.P. (\"Pinnacle\"). Mr. Kitt may be deemed to be the beneficial owner of the securities beneficially owned by Pinnacle. Mr. Kitt hereby disclaims beneficial ownership of the shares of common stock reported herein except to the extent of his direct or indirect pecuniary interest therein, and this Form 4 is not an admission that Mr. Kitt is the beneficial owner of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"This Form 4 is filed on behalf of Pinnacle and Barry M. Kitt. Pinnacle Family Office, LLC (\"Pinnacle Family\") is the general partner of Pinnacle. Mr. Kitt is the manager of Pinnacle Family."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Held by Pinnacle."}],"balance_after":2595901,"source":{"system":"sec-edgar","filing":"0001062993-25-016311","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1165244/000106299325016311/form4.xml","form_type":"4"}},{"id":1029215,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":876,"kind":"person","name":"Nolan Stephen A","position":1,"cik":"0001578531","reported_name":"Nolan Stephen A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-10-01T23:09:35.000Z","date":"2025-09-30","kind":"grant","planned":false,"acquired":true,"shares":2243,"price":1.56,"value":3499.08,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These reported securities represent deferred stock units (\"DSUs\") granted under the Issuer's 2024 Incentive Compensation Plan. 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The shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The reported securities include (a) 18,027 DSUs granted under the Issuer's 2012 Incentive Compensation Plan and (b) 16,024 DSUs granted under the Issuer's 2024 Incentive Compensation Plan. 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The shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The reported securities include (a) 63,657 DSUs granted under the Issuer's 2012 Incentive Compensation Plan and (b) 13,823 DSUs granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer."}],"balance_after":77480,"source":{"system":"sec-edgar","filing":"0000921895-25-002513","document":"form412364002nol_09022025.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1442236/000092189525002513/form412364002nol_09022025.xml","form_type":"4"}},{"id":1051420,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":888,"kind":"person","name":"Tomolonius Sarah","position":1,"cik":"0001685481","reported_name":"Tomolonius Sarah","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-09-02T23:01:21.000Z","date":"2025-08-31","kind":"grant","planned":false,"acquired":true,"shares":1871,"price":1.87,"value":3498.77,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These reported securities represent deferred stock units (\"DSUs\") granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The reported securities include (a) 18,027 deferred stock units (\"DSUs\") granted under the Issuer's 2012 Incentive Compensation Plan and (b) 13,781 DSUs granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer."}],"balance_after":31808,"source":{"system":"sec-edgar","filing":"0000921895-25-002512","document":"form412364002tom_09022025.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1685481/000092189525002512/form412364002tom_09022025.xml","form_type":"4"}},{"id":1057735,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":870,"kind":"person","name":"FRIEDBERG DANIEL M.","position":1,"cik":"0001448795","reported_name":"FRIEDBERG DANIEL M.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":871,"kind":"organization","name":"Hampstead Park Capital Management, LLC","position":2,"cik":"0001773816","reported_name":"Hampstead Park Capital Management, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":872,"kind":"organization","name":"Hampstead Park Environmental Services Investment Fund LLC","position":3,"cik":"0001773840","reported_name":"Hampstead Park Environmental Services Investment Fund LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-08-22T12:35:51.000Z","date":"2025-08-20","kind":"purchase","planned":false,"acquired":true,"shares":17232,"price":1.5968,"value":27516.0576,"ownership":{"direct":false,"nature":"By: Hampstead Park Environmental Services Investment Fund LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.57 to $1.60, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, further information regarding the number of shares purchased at each separate price such shares were purchased."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by Hampstead Park Environmental Services Investment Fund LLC (\"Hampstead Park Environmental\"), Daniel Friedberg and Hampstead Park Capital Management, LLC (\"Hampstead Park Capital\"). Hampstead Park Capital is the sole member of Hampstead Park Environmental, and Mr. Friedberg is the Chief Executive Officer of Hampstead Park Capital; each may therefore be deemed to control Hampstead Park Environmental. In addition, Mr. Friedberg is a Director of the Issuer."}],"balance_after":2842353,"source":{"system":"sec-edgar","filing":"0000921895-25-002358","document":"form412364002_08212025.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1448795/000092189525002358/form412364002_08212025.xml","form_type":"4"}},{"id":1063828,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":853,"kind":"person","name":"Culpepper Glenn","position":1,"cik":"0001566800","reported_name":"Culpepper Glenn","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-18T20:09:55.000Z","date":"2025-08-14","kind":"purchase","planned":false,"acquired":true,"shares":5000,"price":1.679,"value":8395.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.67 to $1.68, inclusive. The Reporting Person undertakes to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, further information regarding the number of shares purchased at each separate price such shares were purchased."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (a) 20,000 RSUs that are scheduled to fully vest on August 13, 2026 and (b) 31,585 shares of common stock beneficially owned by the Reporting Person."}],"balance_after":51585,"source":{"system":"sec-edgar","filing":"0000921895-25-002328","document":"form412364002cul_08182025.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1442236/000092189525002328/form412364002cul_08182025.xml","form_type":"4"}},{"id":1063827,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":875,"kind":"person","name":"Lipstein Robert J","position":1,"cik":"0001701946","reported_name":"Lipstein Robert J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-18T13:00:27.000Z","date":"2025-08-14","kind":"purchase","planned":false,"acquired":true,"shares":15000,"price":1.6958,"value":25437.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes (a) 20,000 RSUs that are scheduled to fully vest on August 13, 2026 and (b) 17,500 shares of common stock beneficially owned by the Reporting Person."}],"balance_after":37500,"source":{"system":"sec-edgar","filing":"0001193805-25-001200","document":"e664790_4-lipstein.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1442236/000119380525001200/e664790_4-lipstein.xml","form_type":"4"}},{"id":1066703,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":22962,"kind":"person","name":"Moss Perry W.","position":1,"cik":"0002025483","reported_name":"Moss Perry W.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2025-08-14T21:08:15.000Z","date":"2025-08-13","kind":"grant","planned":false,"acquired":true,"shares":100000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units (\"RSUs\") granted to the Reporting Person on August 13, 2025 (the \"Grant Date\") and is subject to the terms and conditions of the Issuer's 2024 Incentive Compensation Plan. Each RSU represents a contingent right to receive one share of the Issuer's common stock upon vesting. The RSUs are scheduled to vest as follows: one-third upon the first anniversary of the Grant Date, one-third upon the second anniversary of the Grant Date, and one-third upon the third anniversary of the Grant Date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (a) 13,333 RSUs that are scheduled to vest in two equal installments on June 26, 2026 and June 26, 2027, (b) 214,600 RSUs that are scheduled to vest in three equal installments on March 12, 2026, March 12, 2027 and March 12, 2028, (c) 5,537 shares of deferred stock units (\"DSUs\") (such shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer), (d) 100,000 RSUs that are scheduled to vest in three equal installments on August 13, 2026, August 13, 2027 and August 13, 2028 and (e) 22,405 shares of common stock beneficially owned by the Reporting Person."}],"balance_after":355875,"source":{"system":"sec-edgar","filing":"0000921895-25-002315","document":"form412364002mos_08142025.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2025483/000092189525002315/form412364002mos_08142025.xml","form_type":"4"}},{"id":1066352,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":853,"kind":"person","name":"Culpepper Glenn","position":1,"cik":"0001566800","reported_name":"Culpepper Glenn","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Unit","published_at":"2025-08-14T21:04:43.000Z","date":"2025-08-12","kind":"exercise","planned":false,"acquired":false,"shares":10409,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"RSUs convert into common stock on a one-for-one basis."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents restricted stock units (\"RSUs\") granted on August 12, 2024 that fully vested on August 12, 2025. Each RSU represents a contingent right to receive one share of common stock upon vesting."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Represents restricted stock units (\"RSUs\") granted on August 12, 2024 that fully vested on August 12, 2025. Each RSU represents a contingent right to receive one share of common stock upon vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Represents restricted stock units (\"RSUs\") granted on August 12, 2024 that fully vested on August 12, 2025. Each RSU represents a contingent right to receive one share of common stock upon vesting."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":10409},"source":{"system":"sec-edgar","filing":"0000921895-25-002314","document":"form412364002cul_08142025.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1442236/000092189525002314/form412364002cul_08142025.xml","form_type":"4"}},{"id":1066351,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":853,"kind":"person","name":"Culpepper Glenn","position":1,"cik":"0001566800","reported_name":"Culpepper Glenn","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-14T21:04:43.000Z","date":"2025-08-13","kind":"grant","planned":false,"acquired":true,"shares":20000,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents RSUs granted on August 13, 2025 and scheduled to fully vest on August 13, 2026. Each RSU represents a contingent right to receive one share of common stock upon vesting. The Reporting Person has reported prior awards of RSUs in Table II of Form 4."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"RSUs convert into common stock on a one-for-one basis."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes (a) 20,000 RSUs that are scheduled to vest in three equal installments on August 13, 2026, August 13, 2027 and August 13, 2028 and (b) 26,585 shares of common stock beneficially owned by the Reporting Person."}],"balance_after":46585,"source":{"system":"sec-edgar","filing":"0000921895-25-002314","document":"form412364002cul_08142025.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1442236/000092189525002314/form412364002cul_08142025.xml","form_type":"4"}},{"id":1066350,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":853,"kind":"person","name":"Culpepper Glenn","position":1,"cik":"0001566800","reported_name":"Culpepper Glenn","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-14T21:04:43.000Z","date":"2025-08-12","kind":"exercise","planned":false,"acquired":true,"shares":10409,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents restricted stock units (\"RSUs\") granted on August 12, 2024 that fully vested on August 12, 2025. Each RSU represents a contingent right to receive one share of common stock upon vesting."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"RSUs convert into common stock on a one-for-one basis."}],"balance_after":26585,"source":{"system":"sec-edgar","filing":"0000921895-25-002314","document":"form412364002cul_08142025.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1442236/000092189525002314/form412364002cul_08142025.xml","form_type":"4"}},{"id":1066349,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":875,"kind":"person","name":"Lipstein Robert J","position":1,"cik":"0001701946","reported_name":"Lipstein Robert J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-14T21:02:40.000Z","date":"2025-08-13","kind":"grant","planned":false,"acquired":true,"shares":20000,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units (\"RSUs\") granted on August 12, 2024 and scheduled to fully vest on August 12, 2025. Each RSU represents a contingent right to receive one share of common stock upon vesting."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"RSUs convert into common stock on a one-for-one basis."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes (a) 20,000 RSUs that are scheduled to fully vest on August 13, 2026 and (b) 2,500 shares of common stock beneficially owned by the Reporting Person."}],"balance_after":22500,"source":{"system":"sec-edgar","filing":"0000921895-25-002313","document":"form412364002lip_08142025.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1442236/000092189525002313/form412364002lip_08142025.xml","form_type":"4"}},{"id":1066348,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":876,"kind":"person","name":"Nolan Stephen A","position":1,"cik":"0001578531","reported_name":"Nolan Stephen A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Unit","published_at":"2025-08-14T21:01:02.000Z","date":"2025-08-12","kind":"exercise","planned":false,"acquired":false,"shares":10409,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"RSUs convert into common stock on a one-for-one basis."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents restricted stock units (\"RSUs\") granted on August 12, 2024 that fully vested on August 12, 2025. Each RSU represents a contingent right to receive one share of common stock upon vesting."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Represents restricted stock units (\"RSUs\") granted on August 12, 2024 that fully vested on August 12, 2025. Each RSU represents a contingent right to receive one share of common stock upon vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Represents restricted stock units (\"RSUs\") granted on August 12, 2024 that fully vested on August 12, 2025. Each RSU represents a contingent right to receive one share of common stock upon vesting."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":10409},"source":{"system":"sec-edgar","filing":"0000921895-25-002312","document":"form412364002nol_08142025.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1442236/000092189525002312/form412364002nol_08142025.xml","form_type":"4"}},{"id":1066347,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":876,"kind":"person","name":"Nolan Stephen A","position":1,"cik":"0001578531","reported_name":"Nolan Stephen A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-14T21:01:02.000Z","date":"2025-08-13","kind":"grant","planned":false,"acquired":true,"shares":20000,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Represents RSUs granted on August 13, 2025 and scheduled to fully vest on August 13, 2026. Each RSU represents a contingent right to receive one share of common stock upon vesting. The Reporting Person has reported prior awards of RSUs in Table II of Form 4."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"RSUs convert into common stock on a one-for-one basis."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Includes (a) 20,000 RSUs that are scheduled to fully vest on August 13, 2026 and (b) 92,585 shares of common stock beneficially owned by the Reporting Person, of which 5,000 are held jointly by the Reporting Person and his spouse."}],"balance_after":112585,"source":{"system":"sec-edgar","filing":"0000921895-25-002312","document":"form412364002nol_08142025.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1442236/000092189525002312/form412364002nol_08142025.xml","form_type":"4"}},{"id":1066346,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":876,"kind":"person","name":"Nolan Stephen A","position":1,"cik":"0001578531","reported_name":"Nolan Stephen A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-14T21:01:02.000Z","date":"2025-08-12","kind":"exercise","planned":false,"acquired":true,"shares":10409,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents restricted stock units (\"RSUs\") granted on August 12, 2024 that fully vested on August 12, 2025. Each RSU represents a contingent right to receive one share of common stock upon vesting."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"RSUs convert into common stock on a one-for-one basis."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"These shares represent shares of common stock of the Issuer held by the Reporting Person, of which 5,000 are held jointly by the Reporting Person and his spouse."}],"balance_after":92585,"source":{"system":"sec-edgar","filing":"0000921895-25-002312","document":"form412364002nol_08142025.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1442236/000092189525002312/form412364002nol_08142025.xml","form_type":"4"}},{"id":1066345,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":22851,"kind":"person","name":"Johnston Brett Wade","position":1,"cik":"0001950481","reported_name":"Johnston Brett Wade","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. VP of Finance and CFO"}}],"security":"Common Stock","published_at":"2025-08-14T20:57:25.000Z","date":"2025-08-13","kind":"grant","planned":false,"acquired":true,"shares":40000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units (\"RSUs\") granted to the Reporting Person on August 13, 2025 (the \"Grant Date\") and is subject to the terms and conditions of the Issuer's 2024 Incentive Compensation Plan. Each RSU represents a contingent right to receive one share of the Issuer's common stock upon vesting. The RSUs are scheduled to vest as follows: one-third upon the first anniversary of the Grant Date, one-third upon the second anniversary of the Grant Date, and one-third upon the third anniversary of the Grant Date. The Reporting Person has reported prior awards of RSUs in Table II of Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (a) 13,333 RSUs, which the reporting person previously reported on Table II of Form 4, that are scheduled to vest in two equal installments on June 26, 2026 and June 26, 2027, (b) 40,000 RSUs that are scheduled to vest in three equal installments on August 13, 2026, August 13, 2027 and August 13, 2028 and (c) 34,250 shares of common stock beneficially owned by the Reporting Person."}],"balance_after":87583,"source":{"system":"sec-edgar","filing":"0000921895-25-002311","document":"form412364002joh_08142025.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1442236/000092189525002311/form412364002joh_08142025.xml","form_type":"4"}},{"id":1066343,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":867,"kind":"person","name":"Dunning Audrey","position":1,"cik":"0001800836","reported_name":"Dunning Audrey","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Unit","published_at":"2025-08-14T20:55:31.000Z","date":"2025-08-12","kind":"exercise","planned":false,"acquired":false,"shares":10409,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"RSUs convert into common stock on a one-for-one basis."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents restricted stock units (\"RSUs\") granted on August 12, 2024 that fully vested on August 12, 2025. Each RSU represents a contingent right to receive one share of common stock upon vesting."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Represents restricted stock units (\"RSUs\") granted on August 12, 2024 that fully vested on August 12, 2025. Each RSU represents a contingent right to receive one share of common stock upon vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Represents restricted stock units (\"RSUs\") granted on August 12, 2024 that fully vested on August 12, 2025. Each RSU represents a contingent right to receive one share of common stock upon vesting."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":10409},"source":{"system":"sec-edgar","filing":"0000921895-25-002310","document":"form412364002dun_08142025.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1442236/000092189525002310/form412364002dun_08142025.xml","form_type":"4"}},{"id":1066342,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":867,"kind":"person","name":"Dunning Audrey","position":1,"cik":"0001800836","reported_name":"Dunning Audrey","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-14T20:55:31.000Z","date":"2025-08-13","kind":"grant","planned":false,"acquired":true,"shares":20000,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents RSUs granted on August 13, 2025 and scheduled to fully vest on August 13, 2026. Each RSU represents a contingent right to receive one share of common stock upon vesting. The Reporting Person has reported prior awards of RSUs in Table II of Form 4."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"RSUs convert into common stock on a one-for-one basis."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes (a) 20,000 RSUs that are scheduled to fully vest on August 13, 2026 and (b) 28,485 shares of common stock beneficially owned by the Reporting Person."}],"balance_after":48485,"source":{"system":"sec-edgar","filing":"0000921895-25-002310","document":"form412364002dun_08142025.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1442236/000092189525002310/form412364002dun_08142025.xml","form_type":"4"}},{"id":1066341,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":867,"kind":"person","name":"Dunning Audrey","position":1,"cik":"0001800836","reported_name":"Dunning Audrey","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-14T20:55:31.000Z","date":"2025-08-12","kind":"exercise","planned":false,"acquired":true,"shares":10409,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents restricted stock units (\"RSUs\") granted on August 12, 2024 that fully vested on August 12, 2025. 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Each RSU represents a contingent right to receive one share of common stock upon vesting."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Represents restricted stock units (\"RSUs\") granted on August 12, 2024 that fully vested on August 12, 2025. Each RSU represents a contingent right to receive one share of common stock upon vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Represents restricted stock units (\"RSUs\") granted on August 12, 2024 that fully vested on August 12, 2025. Each RSU represents a contingent right to receive one share of common stock upon vesting."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":10409},"source":{"system":"sec-edgar","filing":"0000921895-25-002308","document":"form412364002fri_08142025.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1448795/000092189525002308/form412364002fri_08142025.xml","form_type":"4"}},{"id":1066357,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":870,"kind":"person","name":"FRIEDBERG DANIEL M.","position":1,"cik":"0001448795","reported_name":"FRIEDBERG DANIEL M.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":871,"kind":"organization","name":"Hampstead Park Capital Management, LLC","position":2,"cik":"0001773816","reported_name":"Hampstead Park Capital Management, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":872,"kind":"organization","name":"Hampstead Park Environmental Services Investment Fund LLC","position":3,"cik":"0001773840","reported_name":"Hampstead Park Environmental Services Investment Fund LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-08-14T20:51:52.000Z","date":"2025-08-13","kind":"grant","planned":false,"acquired":true,"shares":20000,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Represents RSUs granted on August 13, 2025 and scheduled to fully vest on August 13, 2026. Each RSU represents a contingent right to receive one share of common stock upon vesting. The Reporting Person has reported prior awards of RSUs in Table II of Form 4."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"RSUs convert into common stock on a one-for-one basis."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Includes (a) 20,000 RSUs that are scheduled to fully vest on August 13, 2026 and (b) 20,585 shares of common stock beneficially owned by the Reporting Person."}],"balance_after":40585,"source":{"system":"sec-edgar","filing":"0000921895-25-002308","document":"form412364002fri_08142025.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1448795/000092189525002308/form412364002fri_08142025.xml","form_type":"4"}},{"id":1066356,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":870,"kind":"person","name":"FRIEDBERG DANIEL M.","position":1,"cik":"0001448795","reported_name":"FRIEDBERG DANIEL M.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":871,"kind":"organization","name":"Hampstead Park Capital Management, LLC","position":2,"cik":"0001773816","reported_name":"Hampstead Park Capital Management, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":872,"kind":"organization","name":"Hampstead Park Environmental Services Investment Fund LLC","position":3,"cik":"0001773840","reported_name":"Hampstead Park Environmental Services Investment Fund LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-08-14T20:51:52.000Z","date":"2025-08-12","kind":"exercise","planned":false,"acquired":true,"shares":10409,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents restricted stock units (\"RSUs\") granted on August 12, 2024 that fully vested on August 12, 2025. Each RSU represents a contingent right to receive one share of common stock upon vesting."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"RSUs convert into common stock on a one-for-one basis."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"These shares represent shares of common stock of the Issuer held by Mr. Friedberg."}],"balance_after":20585,"source":{"system":"sec-edgar","filing":"0000921895-25-002308","document":"form412364002fri_08142025.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1448795/000092189525002308/form412364002fri_08142025.xml","form_type":"4"}},{"id":1066451,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":888,"kind":"person","name":"Tomolonius Sarah","position":1,"cik":"0001685481","reported_name":"Tomolonius Sarah","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2025-08-14T20:49:35.000Z","date":"2025-08-12","kind":"exercise","planned":false,"acquired":false,"shares":10409,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"RSUs convert into common stock on a one-for-one basis."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents restricted stock units (\"RSUs\") granted on August 12, 2024 that fully vested on August 12, 2025. Each RSU represents a contingent right to receive one share of common stock upon vesting."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Represents restricted stock units (\"RSUs\") granted on August 12, 2024 that fully vested on August 12, 2025. Each RSU represents a contingent right to receive one share of common stock upon vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Represents restricted stock units (\"RSUs\") granted on August 12, 2024 that fully vested on August 12, 2025. Each RSU represents a contingent right to receive one share of common stock upon vesting."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":10409},"source":{"system":"sec-edgar","filing":"0000921895-25-002307","document":"form412364002tom_08142025.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1685481/000092189525002307/form412364002tom_08142025.xml","form_type":"4"}},{"id":1066450,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":888,"kind":"person","name":"Tomolonius Sarah","position":1,"cik":"0001685481","reported_name":"Tomolonius Sarah","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-14T20:49:35.000Z","date":"2025-08-13","kind":"grant","planned":false,"acquired":true,"shares":20000,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents RSUs granted on August 13, 2025 that are scheduled to fully vest on August 13, 2026. Each RSU represents a contingent right to receive one share of common stock upon vesting. The Reporting Person has reported prior awards of RSUs in Table II of Form 4."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"RSUs convert into common stock on a one-for-one basis."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes (a) 20,000 RSUs that are scheduled to fully vest on August 13, 2026 (b) 24,335 shares of common stock beneficially owned by the Reporting Person."}],"balance_after":44335,"source":{"system":"sec-edgar","filing":"0000921895-25-002307","document":"form412364002tom_08142025.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1685481/000092189525002307/form412364002tom_08142025.xml","form_type":"4"}},{"id":1066449,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":888,"kind":"person","name":"Tomolonius Sarah","position":1,"cik":"0001685481","reported_name":"Tomolonius Sarah","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-14T20:49:35.000Z","date":"2025-08-12","kind":"exercise","planned":false,"acquired":true,"shares":10409,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents restricted stock units (\"RSUs\") granted on August 12, 2024 that fully vested on August 12, 2025. Each RSU represents a contingent right to receive one share of common stock upon vesting."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"RSUs convert into common stock on a one-for-one basis."}],"balance_after":24335,"source":{"system":"sec-edgar","filing":"0000921895-25-002307","document":"form412364002tom_08142025.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1685481/000092189525002307/form412364002tom_08142025.xml","form_type":"4"}},{"id":1066453,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":76514,"kind":"person","name":"Sweitzer David P","position":1,"cik":"0001685530","reported_name":"Sweitzer David P","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and COO"}}],"security":"Common Stock","published_at":"2025-08-14T16:54:02.000Z","date":"2025-08-13","kind":"grant","planned":false,"acquired":true,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units (\"RSUs\") granted to the Reporting Person on August 13, 2025 (the \"Grant Date\") and is subject to the terms and conditions of the Issuer's 2024 Incentive Compensation Plan. Each RSU represents a contingent right to receive one share of the Issuer's common stock upon vesting. The RSUs are scheduled to vest as follows: one-third upon the first anniversary of the Grant Date, one-third upon the second anniversary of the Grant Date, and one-third upon the third anniversary of the Grant Date. The Reporting Person has reported prior awards of RSUs in Table II of Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (a) 16,667 RSUs, which the reporting person previously reported on Table II of Form 4, that are scheduled to vest in two equal installments on June 26, 2026 and June 26, 2027, (b) 50,000 RSUs that are scheduled to vest in three equal installments on August 13, 2026, August 13, 2027 and August 13, 2028 and (c) 14,233 shares of common stock beneficially owned by the Reporting Person."}],"balance_after":80900,"source":{"system":"sec-edgar","filing":"0000921895-25-002309","document":"form412364002swe_08142025.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1685530/000092189525002309/form412364002swe_08142025.xml","form_type":"4"}},{"id":1077495,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":876,"kind":"person","name":"Nolan Stephen A","position":1,"cik":"0001578531","reported_name":"Nolan Stephen A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-01T21:35:04.000Z","date":"2025-07-31","kind":"grant","planned":false,"acquired":true,"shares":1741,"price":2.01,"value":3499.41,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These reported securities represent deferred stock units (\"DSUs\") granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The reported securities include (a) 63,657 DSUs granted under the Issuer's 2012 Incentive Compensation Plan and (b) 11,952 DSUs granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer."}],"balance_after":75609,"source":{"system":"sec-edgar","filing":"0000921895-25-002064","document":"form412364002nol_08012025.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1442236/000092189525002064/form412364002nol_08012025.xml","form_type":"4"}},{"id":1077564,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":888,"kind":"person","name":"Tomolonius Sarah","position":1,"cik":"0001685481","reported_name":"Tomolonius Sarah","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-01T21:32:37.000Z","date":"2025-07-31","kind":"grant","planned":false,"acquired":true,"shares":1741,"price":2.01,"value":3499.41,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These reported securities represent deferred stock units (\"DSUs\") granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The reported securities include (a) 18,027 DSUs granted under the Issuer's 2012 Incentive Compensation Plan and (b) 11,910 DSUs granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer."}],"balance_after":29937,"source":{"system":"sec-edgar","filing":"0000921895-25-002063","document":"form412364002tom_08012025.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1685481/000092189525002063/form412364002tom_08012025.xml","form_type":"4"}},{"id":1094964,"issuer":{"id":852,"kind":"organization","name":"Quest Resource Holding Corp","symbol":"QRHC"},"owners":[{"id":876,"kind":"person","name":"Nolan Stephen A","position":1,"cik":"0001578531","reported_name":"Nolan Stephen A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-07-02T20:27:57.000Z","date":"2025-06-30","kind":"grant","planned":false,"acquired":true,"shares":1732,"price":2.02,"value":3498.64,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These reported securities represent deferred stock units (\"DSUs\") granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The reported securities include (a) 63,657 DSUs granted under the Issuer's 2012 Incentive Compensation Plan and (b) 10,211 DSUs granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer."}],"balance_after":73868,"source":{"system":"sec-edgar","filing":"0000921895-25-001937","document":"form412364002nol_07022025.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1442236/000092189525001937/form412364002nol_07022025.xml","form_type":"4"}}],"next_cursor":"2025-07-02T20:27:57.000000Z,1094964"}