X0306 4 2015-07-28 0 0001506928 Avinger Inc AVGR 0001007708 SIMPSON JOHN B PH D MD C/O AVINGER, INC., 400 CHESAPEAKE DRIVE REDWOOD CITY CA 94063 1 1 1 0 Executive Chairman Common Stock 2015-07-28 4 J 0 41 0 A 41 D Common Stock 1264289 I By Simpson Family Trust Common Stock 124757 I By Foxhollow ACLP Common Stock 47618 I By Rita Lynn Simpson The reporting person is a limited partner of GIGL Investments, L.P., which made a pro rata distribution for no consideration of Common Stock of the Issuer to its limited partners on July 28, 2015. In prior reports, the reporting person reported beneficial ownership of all shares of the Issuer held by GIGL Investments L.P. and GIGL II Investments L.P., as the reporting person had sole voting and dispositive power with respect to such shares in his capacity as General Partner of each entity. /s/ John B Simpson PH D MD 2015-07-30