COLLEGIUM PHARMACEUTICAL INC

Ticker: COLL CUSIP: 19459J104 Class: Common Stock

MACKAY SHIELDS LLC's Holding History (CIK: 0000061227)

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

Q2 2020

Shares 120,400 Value ($000) $2,107 Avg Close $19.58 Range $15.23 - $24.32

Q1 2020

Shares 39,000 Value ($000) $637 Avg Close $20.64 Range $13.00 - $25.59

Q4 2019

Shares 137,500 Value ($000) $2,830 Avg Close $16.67 Range $10.43 - $22.28

Q2 2019

Shares 195,636 Value ($000) $2,573 Avg Close $13.37 Range $10.55 - $17.02

Q1 2019

Shares 42,600 Value ($000) $645 Avg Close $16.02 Range $13.10 - $18.88

Q4 2018

Shares 10,700 Value ($000) $183 Avg Close $17.11 Range $13.70 - $19.83

Q3 2018

Shares 22,500 Value ($000) $332 Avg Close $17.73 Range $14.00 - $24.44

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2020	120,400	$2,107	$19.58	$15.23 - $24.32
Q1 2020	39,000	$637	$20.64	$13.00 - $25.59
Q4 2019	137,500	$2,830	$16.67	$10.43 - $22.28
Q2 2019	195,636	$2,573	$13.37	$10.55 - $17.02
Q1 2019	42,600	$645	$16.02	$13.10 - $18.88
Q4 2018	10,700	$183	$17.11	$13.70 - $19.83
Q3 2018	22,500	$332	$17.73	$14.00 - $24.44