X0203 3 2010-10-07 0 0000728387 IsoRay, Inc. ISR 0001503593 Cavanagh William 350 HILLS STREET SUITE 106 RICHLAND WA 99354 0 1 0 0 Vice President Stock Option 0.84 2020-01-08 common stock 30000 D Stock Option 1.43 2020-06-30 common stock 35000 D Vests 1/3 on 1/18/2011, 1/3 on 1/8/2012, and 1/3 on 1/8/2013. Vests 1/3 on 6/30/2011, 1/3 on 6/30/2012, and 1/3 on 6/30/2013. William Cavanagh 2010-10-18