CEMPRA INC

CUSIP: 15130J109 Class: COM

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q1 2017
Shares 238,081 Value ($000) $893 Avg Close — Range —
Q4 2016
Shares 238,081 Value ($000) $667 Avg Close — Range —
Q3 2016
Shares 50,909 Value ($000) $1,232 Avg Close — Range —
Q2 2016
Shares 70,909 Value ($000) $1,169 Avg Close — Range —
Q1 2016
Shares 90,909 Value ($000) $1,593 Avg Close — Range —
Q1 2015
Shares 10,155 Value ($000) $348 Avg Close — Range —
Q4 2014
Shares 11,380 Value ($000) $268 Avg Close — Range —