On June 17, 2015, Glenn D. Yeik, current President, COO and Director, notified Trimedyne, Inc, of his decision to resign from office of Chairman of the Board of Directors of the company, effective immediately. This resignation was not a result of any disagreement with the company, its management or the company's Board or any matter relating to the company's operations, policies or practices. He remains, President, COO and a Director of the company.

Further, Marvin P. Loeb, Sc.D, current Chief Scientific Officer, was elected to the additional office of Chairman of the Board of Directors, effective immediately. Dr. Loeb was formerly the Chief Executive Officer and Chairman of the Board of the company.