QRHC

SEC source: 0001144204-19-036891 · tv526166_form4.xml · nonDerivative · entry 1

WYNNEFIELD PARTNERS SMALL CAP VALUE LP I · CIK 0001251565 · 10% owner

WYNNEFIELD PARTNERS SMALL CAP VALUE LP · CIK 0000899083 · 10% owner

WYNNEFIELD SMALL CAP VALUE OFFSHORE FUND LTD · CIK 0001030806 · 10% owner

WYNNEFIELD CAPITAL MANAGEMENT LLC · CIK 0001056835 · 10% owner

WYNNEFIELD CAPITAL INC · CIK 0001251567 · 10% owner

Wynnefield Capital, Inc. Profit Sharing Plan · CIK 0001289453 · 10% owner

OBUS NELSON · CIK 0001017043 · 10% owner

LANDES JOSHUA · CIK 0001251568 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 652,295

F1 · ownership.direct: The Reporting Person directly beneficially owns 652,295 shares of common stock, $0.001 par value per share ("Common Stock") of Quest Resource Holding Corporation. Wynnefield Capital Management, LLC, as the sole general partner of the Reporting Person, has an indirect beneficial ownership interest in the shares of Common Stock that the Reporting Person directly beneficially owns. Nelson Obus and Joshua Landes, as co-managing members of Wynnefield Capital Management, LLC, have an indirect beneficial ownership interest in the shares of Common Stock that the Reporting Person directly beneficially owns.

SEC source: 0001144204-19-032281 · tv524188_form4.xml · nonDerivative · entry 2

WYNNEFIELD PARTNERS SMALL CAP VALUE LP I · CIK 0001251565 · 10% owner

WYNNEFIELD PARTNERS SMALL CAP VALUE LP · CIK 0000899083 · 10% owner

WYNNEFIELD SMALL CAP VALUE OFFSHORE FUND LTD · CIK 0001030806 · 10% owner

WYNNEFIELD CAPITAL MANAGEMENT LLC · CIK 0001056835 · 10% owner

WYNNEFIELD CAPITAL INC · CIK 0001251567 · 10% owner

Wynnefield Capital, Inc. Profit Sharing Plan · CIK 0001289453 · 10% owner

OBUS NELSON · CIK 0001017043 · 10% owner

LANDES JOSHUA · CIK 0001251568 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 964,827

F2 · ownership.nature: The Reporting Person has an indirect beneficial ownership interest in 486,717 shares of Common Stock, which are directly beneficially owned by Wynnefield Partners Small Cap Value, L.P., as members of a group under Section 13(d) of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). Wynnefield Partners Small Cap Value, L.P., which maintains offices at the same address as the Reporting Person, is filing this statement jointly with the Reporting Person. Wynnefield Capital Management, LLC, as the sole general partner of Wynnefield Partners Small Cap Value, L.P., has an indirect beneficial ownership interest in the shares of Common Stock that Wynnefield Partners Small Cap Value L.P. directly beneficially owns. Nelson Obus and Joshua Landes, as co-managing members of Wynnefield Capital Management, LLC, have an indirect beneficial ownership interest in the shares of Common Stock that Wynnefield Partners Small Cap Value, L.P. directly beneficially owns.

F3 · ownership.nature: The Reporting Person has an indirect beneficial ownership interest in 357,319 shares of Common Stock, which are directly beneficially owned by Wynnefield Small Cap Value Offshore Fund, Ltd., as members of a group under Section 13(d) of the Exchange Act. Wynnefield Small Cap Value Offshore Fund, Ltd., which maintains offices at the same address as the Reporting Person, is filing this statement jointly with the Reporting Person. Wynnefield Capital, Inc. as the sole investment manager of Wynnefield Small Cap Value Offshore Fund, Ltd., has an indirect beneficial ownership interest in the shares of Common Stock that Wynnefield Small Cap Value Offshore Fund, Ltd. directly beneficially owns. Nelson Obus and Joshua Landes, as principal executive officers of Wynnefield Capital, Inc., have an indirect beneficial ownership interest in the shares of Common Stock that Wynnefield Small Cap Value Offshore Fund, Ltd. directly beneficially owns.

F4 · ownership.nature: The Reporting Person has an indirect beneficial ownership interest in 120,791 shares of Common Stock, which are directly beneficially owned by Wynnefield Capital, Inc. Profit Sharing Plan, as members of a group under Section 13(d) of the Exchange Act. Wynnefield Capital, Inc. Profit Sharing Plan, which maintains offices at the same address as the Reporting Person, is filing this Form jointly with the Reporting Person. Mr. Obus and Mr. Landes, as co-trustees, has the power to vote and dispose of Wynnefield Capital, Inc. Profit Sharing Plan's investments in securities and has an indirect beneficial ownership interest in the shares of Common Stock that Wynnefield Capital, Inc. Profit Sharing Plan directly beneficially owns.

SEC source: 0001144204-19-032281 · tv524188_form4.xml · nonDerivative · entry 1

WYNNEFIELD PARTNERS SMALL CAP VALUE LP I · CIK 0001251565 · 10% owner

WYNNEFIELD PARTNERS SMALL CAP VALUE LP · CIK 0000899083 · 10% owner

WYNNEFIELD SMALL CAP VALUE OFFSHORE FUND LTD · CIK 0001030806 · 10% owner

WYNNEFIELD CAPITAL MANAGEMENT LLC · CIK 0001056835 · 10% owner

WYNNEFIELD CAPITAL INC · CIK 0001251567 · 10% owner

Wynnefield Capital, Inc. Profit Sharing Plan · CIK 0001289453 · 10% owner

OBUS NELSON · CIK 0001017043 · 10% owner

LANDES JOSHUA · CIK 0001251568 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 650,891

F1 · ownership.direct: The Reporting Person directly beneficially owns 650,891 shares of common stock, $0.001 par value per share ("Common Stock") of Quest Resource Holding Corporation. Wynnefield Capital Management, LLC, as the sole general partner of the Reporting Person, has an indirect beneficial ownership interest in the shares of Common Stock that the Reporting Person directly beneficially owns. Nelson Obus and Joshua Landes, as co-managing members of Wynnefield Capital Management, LLC, have an indirect beneficial ownership interest in the shares of Common Stock that the Reporting Person directly beneficially owns.

SEC source: 0001209191-19-031102 · doc4.xml · nonDerivative · entry 1

Hatch S. Ray · CIK 0001663269 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,672

F1 · kind: The shares were acquired under the Issuer's employee stock purchase plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

SEC source: 0001209191-19-031099 · doc4.xml · nonDerivative · entry 1

Hobby Richard Lovic · CIK 0001748914 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,082

F1 · kind: The shares were acquired under the Issuer's employee stock purchase plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

SEC source: 0001209191-19-031095 · doc4.xml · nonDerivative · entry 1

LATHAM LAURIE L · CIK 0001264935 · Senior VP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,596

F1 · kind: The shares were acquired under the Issuer's employee stock purchase plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

SEC source: 0000921895-19-001212 · form411049002_05012019.xml · derivative · entry 3

FRIEDBERG DANIEL M. · CIK 0001448795 · Director · 10% owner

Hampstead Park Capital Management, LLC · CIK 0001773816 · 10% owner

Hampstead Park Environmental Services Investment Fund LLC · CIK 0001773840 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 246,446

Underlying: Common Stock · 94,787 shares

Expires 2029-04-29

F3 · derivative.exercise_date: The total number of shares subject to the option shall vest and become exercisable on the date on which the Issuer's 2020 annual meeting of stockholders is held.

SEC source: 0000921895-19-001212 · form411049002_05012019.xml · derivative · entry 2

FRIEDBERG DANIEL M. · CIK 0001448795 · Director · 10% owner

Hampstead Park Capital Management, LLC · CIK 0001773816 · 10% owner

Hampstead Park Environmental Services Investment Fund LLC · CIK 0001773840 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 151,659

Underlying: Common Stock · 151,659 shares

Expires 2029-04-29

F2 · derivative.exercise_date: The total number of shares subject to the option shall vest and become exercisable in four equal annual installments beginning on the date on which the Issuer's 2020 annual meeting of stockholders is held, until fully vested.

SEC source: 0001209191-19-026829 · doc4.xml · derivative · entry 2

Tomolonius Sarah · CIK 0001685481 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,500

Underlying: Common Stock · 47,500 shares

Expires 2026-04-29

F1 · shares: The shares subject to the option shall vest and become exercisable on the date of the annual meeting of stockholders in 2020.

F3 · shares: The option grant reflects an inadvertent mistake in failing to grant previously.

F1 · derivative.exercise_date: The shares subject to the option shall vest and become exercisable on the date of the annual meeting of stockholders in 2020.

F2 · derivative.expiration_date: The options do not terminate on the retirement, death, disability, or other removal of the Reporting Person.

SEC source: 0001209191-19-026829 · doc4.xml · derivative · entry 1

Tomolonius Sarah · CIK 0001685481 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,735

Underlying: Common Stock · 15,735 shares

Expires 2029-04-29

F1 · shares: The shares subject to the option shall vest and become exercisable on the date of the annual meeting of stockholders in 2020.

F1 · derivative.exercise_date: The shares subject to the option shall vest and become exercisable on the date of the annual meeting of stockholders in 2020.

F2 · derivative.expiration_date: The options do not terminate on the retirement, death, disability, or other removal of the Reporting Person.

SEC source: 0001209191-19-026833 · doc4.xml · derivative · entry 1

MONHEIT BARRY M · CIK 0001283420 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,735

Underlying: Common Stock · 15,735 shares

Expires 2029-04-29

F1 · shares: The shares subject to the option shall vest and become exercisable on the date of the annual meeting of stockholders in 2020.

F1 · derivative.exercise_date: The shares subject to the option shall vest and become exercisable on the date of the annual meeting of stockholders in 2020.

F2 · derivative.expiration_date: The options do not terminate on the retirement, death, disability, or other removal of the Reporting Person.

SEC source: 0001209191-19-026827 · doc4.xml · derivative · entry 1

Miller Ronald L. Jr. · CIK 0001560790 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,735

Underlying: Common Stock · 15,735 shares

Expires 2029-04-29

F1 · shares: The number of shares subject to the option shall vest and become exercisable on the date of the annual meeting of stockholders in 2020.

F1 · derivative.exercise_date: The number of shares subject to the option shall vest and become exercisable on the date of the annual meeting of stockholders in 2020.

F2 · derivative.expiration_date: The options do not terminate on the retirement, death, disability, or other removal of the Reporting Person.

SEC source: 0001209191-19-026831 · doc4.xml · derivative · entry 1

WADECKI ISABELL MARIE · CIK 0001214761 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,735

Underlying: Common Stock · 15,735 shares

Expires 2029-04-29

F1 · shares: The shares subject to the option shall vest and become exercisable on the date of the annual meeting of stockholders in 2020.

F1 · derivative.exercise_date: The shares subject to the option shall vest and become exercisable on the date of the annual meeting of stockholders in 2020.

F2 · derivative.expiration_date: The options do not terminate on the retirement, death, disability, or other removal of the Reporting Person.

SEC source: 0001209191-19-026826 · doc4.xml · derivative · entry 1

KNITTEL RUSSELL J · CIK 0001225977 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,735

Underlying: Common Stock · 15,735 shares

Expires 2029-04-29

F1 · shares: The shares subject to the option shall vest and become exercisable on the date of the annual meeting of stockholders in 2020.

F1 · derivative.exercise_date: The shares subject to the option shall vest and become exercisable on the date of the annual meeting of stockholders in 2020.

F2 · derivative.expiration_date: The options do not terminate on the retirement, death, disability, or other removal of the Reporting Person.

SEC source: 0001209191-19-026823 · doc4.xml · derivative · entry 1

Golden Michael F · CIK 0001309339 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,735

Underlying: Common Stock · 15,735 shares

Expires 2029-04-29

F1 · shares: The shares subject to the option shall vest and become exercisable on the date of the annual meeting of stockholders in 2020.

F1 · derivative.exercise_date: The shares subject to the option shall vest and become exercisable on the date of the annual meeting of stockholders in 2020.

F2 · derivative.expiration_date: The options do not terminate on the retirement, death, disability, or other removal of the Reporting Person.

SEC source: 0000921895-19-001221 · form411049002que_05012019.xml · derivative · entry 2

Nolan Stephen A · CIK 0001578531 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 151,659

Underlying: Common Stock · 151,659 shares

Expires 2029-04-29

F1 · derivative.exercise_date: The total number of shares subject to the option shall vest and become exercisable in four equal annual installments beginning on the date on which the Issuer's 2020 annual meeting of stockholders is held, until fully vested.

SEC source: 0001209191-19-024634 · doc4.xml · nonDerivative · entry 3

SALTZ MITCHELL A · CIK 0001112727 · Former Director and 10% Owner

Southwest Green Investments, L.L.C. · CIK 0001560933 · Former 10% Owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Stockbridge Enterprises, L.P.

Disclosed balance after: 0

F2 · ownership.nature: The shares are owned directly by Stockbridge Enterprises, L.P. ("Stockbridge"), of which Saltz controls the investment decisions. Stockbridge is owned by a limited partnership in which Saltz owns an indirect interest.

SEC source: 0001209191-19-024634 · doc4.xml · nonDerivative · entry 2

SALTZ MITCHELL A · CIK 0001112727 · Former Director and 10% Owner

Southwest Green Investments, L.L.C. · CIK 0001560933 · Former 10% Owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Southwest Green Investments, L.L.C.

Disclosed balance after: 1,413,774

F1 · ownership.nature: The shares are owned directly by Southwest Green Investments, L.L.C. ("Southwest Green"), a former ten percent owner of the Issuer, and indirectly by Mitchell A. Saltz ("Saltz"), a former director and ten percent owner of the Issuer. Saltz controls the investment decisions of Southwest Green. Southwest Green is owned by a limited partnership in which Saltz owns an indirect interest.

SEC source: 0001209191-19-024634 · doc4.xml · nonDerivative · entry 1

SALTZ MITCHELL A · CIK 0001112727 · Former Director and 10% Owner

Southwest Green Investments, L.L.C. · CIK 0001560933 · Former 10% Owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Southwest Green Investments, L.L.C.

Disclosed balance after: 1,718,863

F1 · ownership.nature: The shares are owned directly by Southwest Green Investments, L.L.C. ("Southwest Green"), a former ten percent owner of the Issuer, and indirectly by Mitchell A. Saltz ("Saltz"), a former director and ten percent owner of the Issuer. Saltz controls the investment decisions of Southwest Green. Southwest Green is owned by a limited partnership in which Saltz owns an indirect interest.

SEC source: 0001209191-19-024631 · doc4.xml · nonDerivative · entry 1

Forte Jeffrey D. · CIK 0001582572 · Former Director and 10% Owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,097,518

F1 · balance_after: Reflects the 8-for-1 reverse stock split effected on August 10, 2016.

SEC source: 0001209191-19-011290 · doc4.xml · derivative · entry 1

Sweitzer David P · CIK 0001685530 · See remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,000

Underlying: Common Stock · 100,000 shares

Expires 2029-02-12

F1 · derivative.exercise_date: One-third of the total number of shares subject to the option shall vest and become exercisable on each of the first, second, and third anniversary of the date of grant, until fully vested on February 12, 2022.

SEC source: 0001209191-19-011287 · doc4.xml · derivative · entry 1

LATHAM LAURIE L · CIK 0001264935 · Senior VP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,000

Underlying: Common Stock · 100,000 shares

Expires 2029-02-12

F1 · derivative.exercise_date: One-third of the total number of shares subject to the option shall vest and become exercisable on each of the first, second, and third anniversary of the date of grant, until fully vested on February 12, 2022.

SEC source: 0001209191-19-011280 · doc4.xml · derivative · entry 1

Hatch S. Ray · CIK 0001663269 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 150,000

Underlying: Common Stock · 150,000 shares

Expires 2029-02-12

F1 · derivative.exercise_date: One-third of the total number of shares subject to the option shall vest and become exercisable on each of the first, second, and third anniversary of the date of grant, until fully vested on February 12, 2022.

SEC source: 0001209191-19-011283 · doc4.xml · derivative · entry 1

Hobby Richard Lovic · CIK 0001748914 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock · 25,000 shares

Expires 2029-02-12

F1 · derivative.exercise_date: One-third of the total number of shares subject to the option shall vest and become exercisable on each of the first, second, and third anniversary of the date of grant, until fully vested on February 12, 2022.

SEC source: 0001209191-18-059794 · doc4.xml · nonDerivative · entry 2

Hatch S. Ray · CIK 0001663269 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,516

SEC source: 0001209191-18-059794 · doc4.xml · nonDerivative · entry 1

Hatch S. Ray · CIK 0001663269 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,011

SEC source: 0001209191-18-060057 · doc4.xml · nonDerivative · entry 1

SALTZ MITCHELL A · CIK 0001112727 · Director · 10% owner

Southwest Green Investments, L.L.C. · CIK 0001560933 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Southwest Green Investments, L.L.C.

Disclosed balance after: 3,668,863

F1 · kind: The reporting person transferred the shares to family in a private transaction for no consideration.

F1 · price: The reporting person transferred the shares to family in a private transaction for no consideration.

F2 · ownership.nature: The shares are owned directly by Southwest Green Investments, L.L.C. ("Southwest Green"), a ten percent owner of the Company, and indirectly by Mitchell A. Saltz ("Saltz"). Saltz is a director and a ten percent owner of the Company, and controls the investment decisions of Southwest Green. Southwest Green is owned by a limited partnership in which Saltz owns an indirect interest.

SEC source: 0001209191-18-059479 · doc4.xml · nonDerivative · entry 3

Hobby Richard Lovic · CIK 0001748914 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,412

SEC source: 0001209191-18-059479 · doc4.xml · nonDerivative · entry 2

Hobby Richard Lovic · CIK 0001748914 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,657

SEC source: 0001209191-18-059482 · doc4.xml · nonDerivative · entry 1

LATHAM LAURIE L · CIK 0001264935 · Senior VP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,786

F1 · kind: The shares were acquired under the Issuer's employee stock purchase plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

SEC source: 0001209191-18-059479 · doc4.xml · nonDerivative · entry 1

Hobby Richard Lovic · CIK 0001748914 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,522

F1 · kind: The shares were acquired under the Issuer's employee stock purchase plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

SEC source: 0001209191-18-059475 · doc4.xml · nonDerivative · entry 1

Hatch S. Ray · CIK 0001663269 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,516

F1 · kind: The shares were acquired under the Issuer's employee stock purchase plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

SEC source: 0001209191-18-054559 · doc4.xml · nonDerivative · entry 1

SALTZ MITCHELL A · CIK 0001112727 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Stockbridge Enterprises, L.P.

Disclosed balance after: 1,444,911

F1 · kind: The shares were sold pursuant to a 10b5-1 Trading Plan dated November 6, 2017.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.61199 to $2.65240, inclusive. The reporting person undertakes to provide to Quest Resource Holding Corporation (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

F3 · ownership.nature: The shares are owned directly by Stockbridge Enterprises, L.P. ("Stockbridge"), of which Mitchell A. Saltz ("Saltz") controls the investment decisions. Stockbridge is owned by a limited partnership in which Saltz owns an indirect interest.

SEC source: 0001209191-18-054433 · doc4.xml · nonDerivative · entry 2

SALTZ MITCHELL A · CIK 0001112727 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Stockbridge Enterprises, L.P.

Disclosed balance after: 1,481,411

F1 · kind: The shares were sold pursuant to a 10b5-1 Trading Plan dated November 6, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.58553 to $2.66508, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

F3 · ownership.nature: The shares are owned directly by Stockbridge Enterprises, L.P. ("Stockbridge"), of which Mitchell A. Saltz ("Saltz") controls the investment decisions. Stockbridge is owned by a limited partnership in which Saltz owns an indirect interest.

SEC source: 0001209191-18-054433 · doc4.xml · nonDerivative · entry 1

SALTZ MITCHELL A · CIK 0001112727 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Stockbridge Enterprises, L.P.

Disclosed balance after: 1,487,411

F1 · kind: The shares were sold pursuant to a 10b5-1 Trading Plan dated November 6, 2017.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.67208 to $2.78033, inclusive. The reporting person undertakes to provide to Quest Resource Holding Corporation (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

F3 · ownership.nature: The shares are owned directly by Stockbridge Enterprises, L.P. ("Stockbridge"), of which Mitchell A. Saltz ("Saltz") controls the investment decisions. Stockbridge is owned by a limited partnership in which Saltz owns an indirect interest.

SEC source: 0001209191-18-052494 · doc4.xml · nonDerivative · entry 1

SALTZ MITCHELL A · CIK 0001112727 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Stockbridge Enterprises, L.P.

Disclosed balance after: 1,509,911

F1 · kind: The shares were sold pursuant to a 10b5-1 Trading Plan dated November 6, 2017.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.50 to $2.54, inclusive. The reporting person undertakes to provide to Quest Resource Holding Corporation (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

F3 · ownership.nature: The shares are owned directly by Stockbridge Enterprises, L.P. ("Stockbridge"), of which Mitchell A. Saltz ("Saltz") controls the investment decisions. Stockbridge is owned by a limited partnership in which Saltz owns an indirect interest.

SEC source: 0001209191-18-052199 · doc4.xml · nonDerivative · entry 2

SALTZ MITCHELL A · CIK 0001112727 · Director · 10% owner

Stockbridge Enterprises, L.P. · CIK 0001562438 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Stockbridge Enterprises, L.P.

Disclosed balance after: 1,518,411

F1 · kind: The shares were sold pursuant to a 10b5-1 Trading Plan dated November 6, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.54 to $2.56001, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

F3 · ownership.nature: The shares are owned directly by Stockbridge Enterprises, L.P. ("Stockbridge"), of which Mitchell A. Saltz ("Saltz") controls the investment decisions. Stockbridge is owned by a limited partnership in which Saltz owns an indirect interest.

SEC source: 0001209191-18-052199 · doc4.xml · nonDerivative · entry 1

SALTZ MITCHELL A · CIK 0001112727 · Director · 10% owner

Stockbridge Enterprises, L.P. · CIK 0001562438 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Stockbridge Enterprises, L.P.

Disclosed balance after: 1,524,911

F1 · kind: The shares were sold pursuant to a 10b5-1 Trading Plan dated November 6, 2017.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.5518 to $2.60, inclusive. The reporting person undertakes to provide to Quest Resource Holding Corporation (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

F3 · ownership.nature: The shares are owned directly by Stockbridge Enterprises, L.P. ("Stockbridge"), of which Mitchell A. Saltz ("Saltz") controls the investment decisions. Stockbridge is owned by a limited partnership in which Saltz owns an indirect interest.

SEC source: 0001209191-18-031600 · doc4.xml · nonDerivative · entry 1

LATHAM LAURIE L · CIK 0001264935 · Senior VP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,024

F1 · kind: The shares were acquired under the Issuer's employee stock purchase plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

SEC source: 0001209191-18-031599 · doc4.xml · nonDerivative · entry 1

Hatch S. Ray · CIK 0001663269 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,427

F1 · kind: The shares were acquired under the Issuer's employee stock purchase plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

SEC source: 0001209191-18-022238 · doc4.xml · nonDerivative · entry 1

SALTZ MITCHELL A · CIK 0001112727 · Director · 10% owner

Southwest Green Investments, L.L.C. · CIK 0001560933 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Southwest Green Investments, L.L.C.

Disclosed balance after: 3,674,863

F1 · kind: The reporting person transferred the shares to family in a private transaction for no consideration.

F1 · price: The reporting person transferred the shares to family in a private transaction for no consideration.

F2 · ownership.nature: The shares are owned directly by Southwest Green Investments, L.L.C. ("Southwest Green"), a ten percent owner of the Company, and indirectly by Mitchell A. Saltz ("Saltz"). Saltz is a director and a ten percent owner of the Company, and controls the investment decisions of Southwest Green. Southwest Green is owned by a limited partnership in which Saltz owns an indirect interest.

SEC source: 0001209191-18-004357 · doc4.xml · derivative · entry 1

Sweitzer David P · CIK 0001685530 · See remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,000

Underlying: Common Stock · 100,000 shares

Expires 2028-01-16

F1 · derivative.exercise_date: One-third of the total number of shares subject to the option shall vest and become exercisable on each of the first, second, and third anniversary of the date of grant, until fully vested on January 16, 2021.

SEC source: 0001209191-18-004355 · doc4.xml · derivative · entry 1

LATHAM LAURIE L · CIK 0001264935 · Senior VP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,000

Underlying: Common Stock · 75,000 shares

Expires 2028-01-16

F1 · derivative.exercise_date: One-third of the total number of shares subject to the option shall vest and become exercisable on each of the first, second, and third anniversary of the date of grant, until fully vested on January 16, 2021.

SEC source: 0001209191-18-004353 · doc4.xml · derivative · entry 1

Hatch S. Ray · CIK 0001663269 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,000

Underlying: Common Stock · 100,000 shares

Expires 2028-01-16

F1 · derivative.exercise_date: One-third of the total number of shares subject to the option shall vest and become exercisable on each of the first, second, and third anniversary of the date of grant, until fully vested on January 16, 2021.

SEC source: 0001209191-17-066456 · doc4.xml · nonDerivative · entry 1

SALTZ MITCHELL A · CIK 0001112727 · Director · 10% owner

Stockbridge Enterprises, L.P. · CIK 0001562438 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Stockbridge Enterprises, L.P.

Disclosed balance after: 1,544,911

F1 · kind: The shares were sold pursuant to a 10b5-1 Trading Plan dated November 6, 2017.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.080109 to $2.179379, inclusive. The reporting person undertakes to provide to Quest Resource Holding Corporation (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

F3 · ownership.nature: The shares are owned directly by Stockbridge Enterprises, L.P. ("Stockbridge"), of which Mitchell A. Saltz ("Saltz") controls the investment decisions. Stockbridge is owned by a limited partnership in which Saltz owns an indirect interest.

SEC source: 0001209191-17-066054 · doc4.xml · nonDerivative · entry 2

SALTZ MITCHELL A · CIK 0001112727 · Director · 10% owner

Stockbridge Enterprises, L.P. · CIK 0001562438 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Stockbridge Enterprises, L.P.

Disclosed balance after: 1,577,466

F1 · kind: The shares were sold pursuant to a 10b5-1 Trading Plan dated November 6, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.021211 to $2.11, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

F3 · ownership.nature: The shares are owned directly by Stockbridge Enterprises, L.P. ("Stockbridge"), of which Mitchell A. Saltz ("Saltz") controls the investment decisions. Stockbridge is owned by a limited partnership in which Saltz owns an indirect interest.

SEC source: 0001209191-17-066054 · doc4.xml · nonDerivative · entry 1

SALTZ MITCHELL A · CIK 0001112727 · Director · 10% owner

Stockbridge Enterprises, L.P. · CIK 0001562438 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Stockbridge Enterprises, L.P.

Disclosed balance after: 1,622,466

F1 · kind: The shares were sold pursuant to a 10b5-1 Trading Plan dated November 6, 2017.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.034143 to $2.050167, inclusive. The reporting person undertakes to provide to Quest Resource Holding Corporation (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

F3 · ownership.nature: The shares are owned directly by Stockbridge Enterprises, L.P. ("Stockbridge"), of which Mitchell A. Saltz ("Saltz") controls the investment decisions. Stockbridge is owned by a limited partnership in which Saltz owns an indirect interest.

SEC source: 0001209191-17-065014 · doc4.xml · nonDerivative · entry 2

SALTZ MITCHELL A · CIK 0001112727 · Director · 10% owner

Stockbridge Enterprises, L.P. · CIK 0001562438 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Stockbridge Enterprises, L.P.

Disclosed balance after: 1,644,911

F1 · kind: The shares were sold pursuant to a 10b5-1 Trading Plan dated November 6, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.910495 to $1.94, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

F3 · ownership.nature: The shares are owned directly by Stockbridge Enterprises, L.P. ("Stockbridge"), of which Mitchell A. Saltz ("Saltz") controls the investment decisions. Stockbridge is owned by a limited partnership in which Saltz owns an indirect interest.

SEC source: 0001209191-17-065014 · doc4.xml · nonDerivative · entry 1

SALTZ MITCHELL A · CIK 0001112727 · Director · 10% owner

Stockbridge Enterprises, L.P. · CIK 0001562438 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Stockbridge Enterprises, L.P.

Disclosed balance after: 1,661,911

F1 · kind: The shares were sold pursuant to a 10b5-1 Trading Plan dated November 6, 2017.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.9204 to $2.05, inclusive. The reporting person undertakes to provide to Quest Resource Holding Corporation (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

F3 · ownership.nature: The shares are owned directly by Stockbridge Enterprises, L.P. ("Stockbridge"), of which Mitchell A. Saltz ("Saltz") controls the investment decisions. Stockbridge is owned by a limited partnership in which Saltz owns an indirect interest.

SEC source: 0001209191-17-064490 · doc4.xml · nonDerivative · entry 2

SALTZ MITCHELL A · CIK 0001112727 · Director · 10% owner

Stockbridge Enterprises, L.P. · CIK 0001562438 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Stockbridge Enterprises, L.P.

Disclosed balance after: 1,686,334

F1 · kind: The shares were sold pursuant to a 10b5-1 Trading Plan dated November 6, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.95 to $2.01, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

F3 · ownership.nature: The shares are owned directly by Stockbridge Enterprises, L.P. ("Stockbridge"), of which Mitchell A. Saltz ("Saltz") controls the investment decisions. Stockbridge is owned by a limited partnership in which Saltz owns an indirect interest.