| Information Technology Inc. Profit Sharing Trust Medical | — | BUY | — | 2012-06-15 | 2012-06-29 | $113.5M |
| Information Technology Inc. Profit Sharing Trust Medical | — | BUY | — | 2012-05-23 | 2012-06-29 | $5.4M |
| Information Technology Inc. Profit Sharing Trust Medical | — | BUY | — | 2012-05-10 | 2012-06-29 | $11.6M |
| Information Technology Inc. Profit Sharing Trust Medical | — | BUY | — | 2012-03-28 | 2012-03-30 | $27K |
| Information Technology Inc. Profit Sharing Trust Medical | — | BUY | — | 2012-02-24 | 2012-03-30 | $74.4M |
| Howard Messing | — | SELL | — | 2012-02-16 | 2012-02-17 | $43.0M |
| Information Technology Inc. Profit Sharing Trust Medical | — | BUY | — | 2012-01-06 | 2012-03-30 | $26.8M |
| Information Technology Inc. Profit Sharing Trust Medical | — | BUY | — | 2011-12-08 | 2011-12-30 | $60.5M |
| Information Technology Inc. Profit Sharing Trust Medical | — | BUY | — | 2011-11-30 | 2011-12-30 | $4.4M |
| Information Technology Inc. Profit Sharing Trust Medical | — | BUY | — | 2011-11-23 | 2011-12-30 | $60.5M |
| Information Technology Inc. Profit Sharing Trust Medical | — | BUY | — | 2011-11-07 | 2011-12-30 | $19.7M |
| Information Technology Inc. Profit Sharing Trust Medical | — | BUY | — | 2011-10-07 | 2011-12-30 | $127K |
| Information Technology Inc. Profit Sharing Trust Medical | — | BUY | — | 2011-09-22 | 2011-09-30 | $2.6M |
| Information Technology Inc. Profit Sharing Trust Medical | — | BUY | — | 2011-08-16 | 2011-09-30 | $1.6M |
| Information Technology Inc. Profit Sharing Trust Medical | — | BUY | — | 2011-07-06 | 2011-09-30 | $410K |
| Information Technology Inc. Profit Sharing Trust Medical | — | BUY | — | 2011-06-27 | 2011-06-30 | $50K |
| Information Technology Inc. Profit Sharing Trust Medical | — | BUY | — | 2011-06-22 | 2011-06-30 | $23.1M |
| Information Technology Inc. Profit Sharing Trust Medical | — | BUY | — | 2011-06-21 | 2011-06-30 | $4.1M |
| Information Technology Inc. Profit Sharing Trust Medical | — | BUY | — | 2011-06-07 | 2011-06-30 | $14.8M |
| Information Technology Inc. Profit Sharing Trust Medical | — | BUY | — | 2011-05-25 | 2011-06-30 | $23.1M |
| Information Technology Inc. Profit Sharing Trust Medical | — | BUY | — | 2011-05-13 | 2011-06-30 | $47.8M |
| A. Neil Pappalardo | — | BUY | — | 2011-02-28 | 2011-03-01 | $2.5B |
| Information Technology Inc. Profit Sharing Trust Medical | — | BUY | — | 2011-02-28 | 2011-03-31 | $16.9M |
| Information Technology Inc. Profit Sharing Trust Medical | — | BUY | — | 2010-11-15 | 2010-12-30 | $227.5M |
| Information Technology Inc. Profit Sharing Trust Medical | — | BUY | — | 2010-11-05 | 2010-12-30 | $224.6M |