CEMPRA INC

CUSIP: 15130J109 Class: COM

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q2 2017
Shares 9,664 Value ($000) $44 Avg Close — Range —
Q1 2017
Shares 176 Value ($000) $0 Avg Close — Range —
Q1 2016
Shares 14,521 Value ($000) $254 Avg Close — Range —
Q3 2015
Shares 5,688 Value ($000) $158 Avg Close — Range —
Q2 2015
Shares 26,273 Value ($000) $902 Avg Close — Range —
Q1 2015
Shares 6,975 Value ($000) $239 Avg Close — Range —
Q4 2014
Shares 10,271 Value ($000) $241 Avg Close — Range —