CORNERSTONE THERAPEUTICS INC

CUSIP: 21924P103 Class: CMN

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

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

Q4 2013
Shares 20,400 Value ($000) $194 Avg Close — Range —
Q3 2013
Shares 20,400 Value ($000) $192 Avg Close — Range —