CEMPRA INC

CUSIP: 15130J109 Class: COM

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q3 2017
Shares 304,200 Value ($000) $989 Avg Close — Range —
Q2 2017
Shares 472,200 Value ($000) $2,172 Avg Close — Range —
Q1 2017
Shares 517,400 Value ($000) $1,940 Avg Close — Range —
Q2 2015
Shares 18,937 Value ($000) $651 Avg Close — Range —