| 2012-02-06 | Sale | Ironwood Pharmaceuticals, Inc. IRWD | 10 percent owner | 94,458 0.0907% | $14.80 | $1.4M | -13.27% | |
| 2012-02-03 | Sale | Ironwood Pharmaceuticals, Inc. IRWD | 10 percent owner | 123,898 0.1189% | $14.92 | $1.85M | -14.02% | |
| 2012-02-02 | Sale | Ironwood Pharmaceuticals, Inc. IRWD | 10 percent owner | 6,600 0.0065% | $15.03 | $99,198 | -12.56% | |
| 2011-11-04 | Sale | Ironwood Pharmaceuticals, Inc. IRWD | 10 percent owner | 192,600 0.1955% | $13.94 | $2.68M | -6.47% | |
| 2011-11-03 | Sale | Ironwood Pharmaceuticals, Inc. IRWD | 10 percent owner | 90,800 0.0887% | $13.93 | $1.26M | -9.94% | |
| 2011-11-02 | Sale | Ironwood Pharmaceuticals, Inc. IRWD | 10 percent owner | 29,349 0.0294% | $13.69 | $401,788 | -6.06% | |
| 2011-10-31 | Sale | Ironwood Pharmaceuticals, Inc. IRWD | 10 percent owner | 2,584 0.0026% | $13.81 | $35,685 | -5.29% | |
| 2011-10-28 | Sale | Ironwood Pharmaceuticals, Inc. IRWD | 10 percent owner | 4,100 0.0041% | $14.06 | $57,646 | -7.67% | |
| 2011-10-27 | Sale | Ironwood Pharmaceuticals, Inc. IRWD | 10 percent owner | 202,300 0.1975% | $13.94 | $2.82M | -9.93% | |
| 2011-10-26 | Sale | Ironwood Pharmaceuticals, Inc. IRWD | 10 percent owner | 159,900 0.1586% | $12.91 | $2.06M | -1.15% | |
| 2011-10-25 | Sale | Ironwood Pharmaceuticals, Inc. IRWD | 10 percent owner | 200,000 0.1982% | $12.71 | $2.54M | +0.39% | |
| 2011-10-24 | Sale | Ironwood Pharmaceuticals, Inc. IRWD | 10 percent owner | 26,200 0.0252% | $11.99 | $314,138 | +3.37% | |
| 2011-10-21 | Sale | Ironwood Pharmaceuticals, Inc. IRWD | 10 percent owner | 8,837 0.0088% | $11.85 | $104,718 | +8.86% | |
| 2011-10-17 | Sale | Ironwood Pharmaceuticals, Inc. IRWD | 10 percent owner | 17,122 0.0174% | $12.39 | $212,142 | +5.31% | |
| 2011-10-14 | Sale | Ironwood Pharmaceuticals, Inc. IRWD | 10 percent owner | 38,993 0.0384% | $12.23 | $476,884 | +3.54% | |
| 2011-10-13 | Sale | Ironwood Pharmaceuticals, Inc. IRWD | 10 percent owner | 21,200 0.0209% | $11.84 | $251,008 | +7.29% | |
| 2011-10-12 | Sale | Ironwood Pharmaceuticals, Inc. IRWD | 10 percent owner | 27,330 0.027% | $11.44 | $312,672 | +10.85% | |
| 2011-10-10 | Sale | Ironwood Pharmaceuticals, Inc. IRWD | 10 percent owner | 51,472 0.0514% | $10.98 | $565,163 | +16.91% | |
| 2011-10-07 | Sale | Ironwood Pharmaceuticals, Inc. IRWD | 10 percent owner | 1,600 0.0016% | $10.91 | $17,456 | +19.52% | |
| 2011-10-06 | Sale | Ironwood Pharmaceuticals, Inc. IRWD | 10 percent owner | 62,922 0.0633% | $10.90 | $685,833 | +18.53% |