United States Securities And Exchange Commission
Washington, DC 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

350 Hills Street, Suite 106, Richland, Washington 99354

(Address of principal executive offices) (Zip Code)

(509) 375-1202

(Registrant's telephone number)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨ Written communications pursuant to Rule 425 under the Securities Act

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act

Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

IsoRay, Inc. (the "Company") regrets to report the death of Robert R. Kauffman, the Company's Vice-Chair, who passed away unexpectedly on March 7, 2014. Mr. Kauffman served on the Company's Board of Directors since July 2005, and he will be greatly missed. The Company would like to extend sincere condolences to Mr. Kauffman's family.

While the Board presently anticipates seeking a candidate to fill the vacancy created on the Board, it has not settled on any immediate arrangements regarding the nomination or naming of a successor director, if any.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized.

Dated: March 12, 2014