| 2010-07-26 | MOMENTA PHARMACEUTICALS INC | S | ▼−33.9K sh | $22.99 | ▼−$780K | 306,344 |
| 2010-07-23 | MOMENTA PHARMACEUTICALS INC | S | ▼−41.1K sh | $21.17 | ▼−$869K | 340,274 |
| 2010-06-10 | MOMENTA PHARMACEUTICALS INC | A | +15K sh | — | — | 126,000 |
| 2010-01-22 | MOMENTA PHARMACEUTICALS INC | S | ▼−25K sh | $15.01 | ▼−$375K | 381,344 |
| 2007-09-17 | MOMENTA PHARMACEUTICALS INC | S | ▼−2,000 sh | $11.15 | ▼−$22.3K | 424,344 |
| 2007-09-17 | MOMENTA PHARMACEUTICALS INC | S | ▼−4,000 sh | $11.16 | ▼−$44.6K | 420,344 |
| 2007-09-17 | MOMENTA PHARMACEUTICALS INC | S | ▼−2,000 sh | $11.19 | ▼−$22.4K | 418,344 |
| 2007-09-17 | MOMENTA PHARMACEUTICALS INC | S | ▼−2,000 sh | $11.20 | ▼−$22.4K | 416,344 |
| 2007-09-13 | MOMENTA PHARMACEUTICALS INC | A | +24K sh | — | — | 426,344 |
| 2007-08-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−1,000 sh | $10.35 | ▼−$10.4K | 411,344 |
| 2007-08-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−1,000 sh | $10.40 | ▼−$10.4K | 410,344 |
| 2007-08-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−1,000 sh | $10.43 | ▼−$10.4K | 409,344 |
| 2007-08-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−1,000 sh | $10.45 | ▼−$10.5K | 408,344 |
| 2007-08-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−1,000 sh | $10.45 | ▼−$10.5K | 407,344 |
| 2007-08-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−404 sh | $10.49 | ▼−$4,237.96 | 406,940 |
| 2007-08-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−496 sh | $10.50 | ▼−$5,208 | 406,444 |
| 2007-08-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−100 sh | $10.52 | ▼−$1,052 | 406,344 |
| 2007-08-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−168 sh | $10.54 | ▼−$1,770.72 | 406,176 |
| 2007-08-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−1,600 sh | $10.55 | ▼−$16.9K | 404,576 |
| 2007-08-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−1,000 sh | $10.56 | ▼−$10.6K | 403,576 |
| 2007-08-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−100 sh | $10.57 | ▼−$1,057 | 403,476 |
| 2007-08-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−432 sh | $10.58 | ▼−$4,570.56 | 403,044 |
| 2007-08-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−148 sh | $10.59 | ▼−$1,567.32 | 402,896 |
| 2007-08-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−552 sh | $10.60 | ▼−$5,851.2 | 402,344 |
| 2007-06-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−2,000 sh | $12.08 | ▼−$24.2K | 430,344 |
| 2007-06-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−1,000 sh | $12.09 | ▼−$12.1K | 429,344 |
| 2007-06-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−1,000 sh | $12.10 | ▼−$12.1K | 428,344 |
| 2007-06-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−3,000 sh | $12.13 | ▼−$36.4K | 425,344 |
| 2007-06-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−2,000 sh | $12.15 | ▼−$24.3K | 423,344 |
| 2007-06-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−1,000 sh | $12.20 | ▼−$12.2K | 422,344 |
| 2007-06-13 | MOMENTA PHARMACEUTICALS INC | A | +19.2K sh | — | — | 76,800 |
| 2006-06-15 | MOMENTA PHARMACEUTICALS INC | A | +19.2K sh | — | — | 57,600 |
| 2006-06-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−3,579 sh | $13.00 | ▼−$46.5K | 548,765 |
| 2006-06-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−521 sh | $13.01 | ▼−$6,778.21 | 548,244 |
| 2006-06-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−200 sh | $13.02 | ▼−$2,604 | 548,044 |
| 2006-06-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−200 sh | $13.05 | ▼−$2,610 | 547,844 |
| 2006-06-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−200 sh | $13.07 | ▼−$2,614 | 547,644 |
| 2006-06-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−200 sh | $13.08 | ▼−$2,616 | 547,444 |
| 2006-06-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−5,000 sh | $13.13 | ▼−$65.7K | 542,444 |
| 2006-06-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−100 sh | $13.38 | ▼−$1,338 | 542,344 |
| 2005-08-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−1,500 sh | $22.30 | ▼−$33.5K | 840,844 |
| 2005-08-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−2,400 sh | $22.31 | ▼−$53.5K | 838,444 |
| 2005-08-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−1,600 sh | $22.32 | ▼−$35.7K | 836,844 |
| 2005-08-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−3,000 sh | $22.33 | ▼−$67K | 833,844 |
| 2005-08-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−2,900 sh | $22.34 | ▼−$64.8K | 830,944 |
| 2005-08-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−2,600 sh | $22.35 | ▼−$58.1K | 828,344 |
| 2005-08-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−200 sh | $22.36 | ▼−$4,472 | 828,144 |
| 2005-08-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−300 sh | $22.37 | ▼−$6,711 | 827,844 |
| 2005-08-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−1,500 sh | $22.38 | ▼−$33.6K | 826,344 |
| 2005-07-15 | MOMENTA PHARMACEUTICALS INC | S | ▼−2,800 sh | $23.00 | ▼−$64.4K | 855,544 |