COLLEGIUM PHARMACEUTICAL INC

Ticker: COLL CUSIP: 19459J104 Class: Common Stock

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q2 2018

Shares 292,878 Value ($000) $6,985 Avg Close $24.59 Range $20.81 - $28.91

Q1 2018

Shares 222,058 Value ($000) $5,674 Avg Close $23.83 Range $17.17 - $29.90

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	292,878	$6,985	$24.59	$20.81 - $28.91
Q1 2018	222,058	$5,674	$23.83	$17.17 - $29.90