On February 1, 2018, Panna Sharma resigned as President, Chief Executive Officer and a director of Cancer Genetics, Inc. effective February 2, 2018. Mr. Sharma resigned to pursue other opportunities. On February 1, 2018, the board of directors of the company appointed John A. Roberts as interim Chief executive officer.

Mr. Roberts joined the company in July 2016 and currently serves as the company's chief operating officer and executive vice President, finance. Prior to joining the company, from August 1, 2015 to June 30, 2016, Mr. Roberts served as the Chief Financial Officer for VirMedica, Inc. Mr. Sharma will provide consulting services to the Company to assist in the transition.