AVINGER INC

CUSIP: 053734109 Class: COM

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q1 2017
Shares 40,309 Value ($000) $77 Avg Close — Range —
Q4 2016
Shares 40,509 Value ($000) $150 Avg Close — Range —
Q3 2016
Shares 38,809 Value ($000) $185 Avg Close — Range —
Q2 2016
Shares 22,909 Value ($000) $273 Avg Close — Range —