IDERA PHARMACEUTICALS INC

CUSIP: 45168K306 Class: CMN

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

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

Q2 2018
Shares 233,680 Value ($000) $308 Avg Close — Range —
Q1 2018
Shares 218,035 Value ($000) $401 Avg Close — Range —
Q4 2017
Shares 222,373 Value ($000) $469 Avg Close — Range —
Q3 2017
Shares 171,055 Value ($000) $381 Avg Close — Range —
Q2 2017
Shares 191,293 Value ($000) $329 Avg Close — Range —
Q1 2017
Shares 204,193 Value ($000) $504 Avg Close — Range —
Q4 2016
Shares 213,393 Value ($000) $320 Avg Close — Range —
Q3 2016
Shares 188,393 Value ($000) $482 Avg Close — Range —
Q2 2016
Shares 186,693 Value ($000) $286 Avg Close — Range —
Q1 2016
Shares 183,215 Value ($000) $363 Avg Close — Range —
Q4 2015
Shares 158,365 Value ($000) $489 Avg Close — Range —
Q3 2015
Shares 155,604 Value ($000) $521 Avg Close — Range —
Q2 2015
Shares 156,104 Value ($000) $579 Avg Close — Range —
Q1 2015
Shares 156,906 Value ($000) $582 Avg Close — Range —
Q4 2014
Shares 111,106 Value ($000) $490 Avg Close — Range —
Q3 2014
Shares 110,631 Value ($000) $253 Avg Close — Range —
Q2 2014
Shares 109,900 Value ($000) $319 Avg Close — Range —