IRONWOOD PHARMACEUTICALS INC

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

PERCEPTIVE ADVISORS LLC's Holding History (CIK: 0001224962)

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

Q3 2015
Shares 86,229 Value ($000) $899 Avg Close $9.33 Range $8.18 - $10.35
Q2 2015
Shares 493,600 Value ($000) $5,953 Avg Close $11.62 Range $9.69 - $13.54