CEMPRA INC

CUSIP: 15130J109 Class: COM

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

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

Q3 2017
Shares 26,400 Value ($000) $86 Avg Close — Range —
Q2 2017
Shares 28,400 Value ($000) $131 Avg Close — Range —
Q1 2017
Shares 28,700 Value ($000) $108 Avg Close — Range —
Q4 2016
Shares 38,600 Value ($000) $108 Avg Close — Range —
Q3 2016
Shares 53,400 Value ($000) $1,292 Avg Close — Range —