Delcath Systems, Inc. announced that on May 18, 2020, Jennifer K. Simpson submitted her resignation as the Chief Executive Officer of the company. Ms. Simpson's resignation of her employment as the Chief Executive Officer of the Company, to be effective on June 1, 2020, was not because of any disagreement with the Company on any matter relating to the Company's operations, policies or practices. On May 20, 2020, the Board of Directors of the Company appointed John Purpura, M.S., the Company's Executive Vice President, Global Head Operations, to serve as the Interim Chief Executive Officer of the company, effective on June 1, 2020, until such time as the Company appoints a successor Chief Executive Officer.