CEMPRA INC

CUSIP: 15130J109 Class: COM

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's Holding History (CIK: 0001132716)

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

Q2 2016
Shares 60,000 Value ($000) $989,000 Avg Close — Range —
Q1 2016
Shares 45,000 Value ($000) $788,000 Avg Close — Range —
Q3 2014
Shares 50,000 Value ($000) $548,000 Avg Close — Range —
Q2 2013
Shares 100,000 Value ($000) $783,000 Avg Close — Range —