X0306 4 2019-02-12 0 0001442236 Quest Resource Holding Corp QRHC 0001748914 Hobby Richard Lovic 3481 PLANO PARKWAY THE COLONY TX 75056 0 1 0 0 See Remarks Employee Stock Option (Right to Buy) 1.51 2019-02-12 4 A 0 25000 0.00 A 2029-02-12 Common Stock 25000 25000 D 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. The reporting person is the Senior Vice President of Sales for Quest Resource Management Group, LLC, a subsidiary of the Issuer. Laurie L. Latham,as Attorney-in-Fact 2019-02-19