X0306 4 2017-11-13 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 2017-11-13 4 S false 454584 0.2667 D 674705 I By Simpson Family Trust Common Stock 2017-11-14 4 S false 118897 0.2554 D 555808 I By Simpson Family Trust Common Stock 2017-11-15 4 S false 500649 0.226 D 55159 I By Simpson Family Trust Represents average reported price. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan for tax planning purposes. /s/John B Simpson 2017-11-15