DIMENSION THERAPEUTICS INC

CUSIP: 25433V105 Class: COM

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

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

Q1 2017
Shares 25,134 Value ($000) $44 Avg Close — Range —
Q4 2016
Shares 25,134 Value ($000) $109 Avg Close — Range —
Q3 2016
Shares 25,934 Value ($000) $207 Avg Close — Range —
Q2 2016
Shares 25,634 Value ($000) $154 Avg Close — Range —
Q1 2016
Shares 12,024 Value ($000) $94 Avg Close — Range —
Q4 2015
Shares 10,400 Value ($000) $117 Avg Close — Range —