AVINGER INC

CUSIP: 053734109 Class: COM

HighTower Advisors, LLC's Holding History (CIK: 0001462245)

Note: Option positions (PUT/CALL) are excluded.

Q2 2017
Shares 11,678 Value ($000) $4 Avg Close — Range —
Q1 2017
Shares 11,678 Value ($000) $22 Avg Close — Range —
Q4 2016
Shares 11,678 Value ($000) $44 Avg Close — Range —