IRONWOOD PHARMACEUTICALS INC

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

DEERFIELD MANAGEMENT COMPANY, L.P.'s Holding History (CIK: 0001009258)

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

Q2 2015
Shares 63,700 Value ($000) $768 Avg Close $11.62 Range $9.69 - $13.54
Q3 2014
Shares 36,653 Value ($000) $475 Avg Close $11.45 Range $10.03 - $13.36