X0306 4 2015-11-24 0001506928 Avinger Inc AVGR 0001007708 SIMPSON JOHN B PH D MD 400 CHESAPEAKE DRIVE REDWOOD CITY CA 94063 true true true false Executive Chairman Common Stock 2015-11-24 4 S false 42445 17.203 D 1221844 I By Simpson Family Trust Common Stock 2015-11-25 4 S false 57555 17.2978 D 1164289 I By Simpson Family Trust /s/John B Simpson 2015-11-25