OVASCIENCE INC

CUSIP: 69014Q101 Class: COM

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

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

Q1 2017
Shares 64,528 Value ($000) $121 Avg Close — Range —
Q4 2016
Shares 64,628 Value ($000) $99 Avg Close — Range —
Q3 2016
Shares 66,328 Value ($000) $475 Avg Close — Range —
Q2 2016
Shares 65,828 Value ($000) $343 Avg Close — Range —
Q1 2016
Shares 49,684 Value ($000) $472 Avg Close — Range —
Q4 2015
Shares 43,521 Value ($000) $425 Avg Close — Range —
Q3 2015
Shares 42,767 Value ($000) $363 Avg Close — Range —
Q2 2015
Shares 42,867 Value ($000) $1,240 Avg Close — Range —
Q1 2015
Shares 31,510 Value ($000) $1,094 Avg Close — Range —
Q4 2014
Shares 28,510 Value ($000) $1,261 Avg Close — Range —
Q3 2014
Shares 28,388 Value ($000) $471 Avg Close — Range —
Q2 2014
Shares 28,126 Value ($000) $258 Avg Close — Range —
Q1 2014
Shares 21,626 Value ($000) $193 Avg Close — Range —
Q4 2013
Shares 16,026 Value ($000) $146 Avg Close — Range —
Q3 2013
Shares 16,026 Value ($000) $159 Avg Close — Range —
Q2 2013
Shares 15,626 Value ($000) $215 Avg Close — Range —