IRONWOOD PHARMACEUTICALS INC

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

Pine River Capital Management L.P.'s Holding History (CIK: 0001288136)

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

Q4 2013
Shares 87,800 Value ($000) $1,020 Avg Close $8.98 Range $7.50 - $10.21