IRONWOOD PHARMACEUTICALS INC

Ticker: IRWD CUSIP: 46333X108 Class: COM CL A

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q2 2017

Shares 119,300 Value ($000) $2,252 Avg Close $14.53 Range $12.50 - $16.70

Q1 2017

Shares 499,200 Value ($000) $8,516 Avg Close $13.67 Range $11.25 - $15.52

Q4 2016

Shares 499,200 Value ($000) $7,632 Avg Close $12.63 Range $10.45 - $14.15

Q3 2016

Shares 568,100 Value ($000) $9,021 Avg Close $11.69 Range $10.20 - $13.54

Q2 2016

Shares 346,100 Value ($000) $4,525 Avg Close $9.77 Range $7.59 - $11.11

Q1 2016

Shares 197,800 Value ($000) $2,163 Avg Close $8.25 Range $6.16 - $9.66

Q4 2015

Shares 110,700 Value ($000) $1,283 Avg Close $9.66 Range $8.42 - $10.57

Q3 2015

Shares 48,600 Value ($000) $505 Avg Close $9.33 Range $8.18 - $10.35

Q2 2015

Shares 208,400 Value ($000) $2,511 Avg Close $11.62 Range $9.69 - $13.54

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2017	119,300	$2,252	$14.53	$12.50 - $16.70
Q1 2017	499,200	$8,516	$13.67	$11.25 - $15.52
Q4 2016	499,200	$7,632	$12.63	$10.45 - $14.15
Q3 2016	568,100	$9,021	$11.69	$10.20 - $13.54
Q2 2016	346,100	$4,525	$9.77	$7.59 - $11.11
Q1 2016	197,800	$2,163	$8.25	$6.16 - $9.66
Q4 2015	110,700	$1,283	$9.66	$8.42 - $10.57
Q3 2015	48,600	$505	$9.33	$8.18 - $10.35
Q2 2015	208,400	$2,511	$11.62	$9.69 - $13.54