| SC 13G | 2009-02-12 | FRONTIER CAPITAL MANAGEMENT CO LLC | INSULET CORP | 1,820,658 | 6.6% | EDGAR |
| SC 13G/A | 2009-02-10 | ORBIMED ADVISORS LLC | INSULET CORP | 129,783 | 0.5% | EDGAR |
| SC 13G | 2009-01-12 | ALGER FRED MANAGEMENT INC | INSULET CORP | 3,607,282 | 13.0% | EDGAR |
| SC 13G | 2008-10-31 | ORBIMED ADVISORS LLC | INSULET CORP | 1,818,805 | 6.3% | EDGAR |
| SC 13G | 2008-10-31 | ORBIMED CAPITAL GP II LLC | INSULET CORP | 1,818,805 | 6.3% | EDGAR |
| SC 13G | 2008-10-31 | ISALY SAMUEL D | INSULET CORP | 1,818,805 | 6.3% | EDGAR |
| SC 13D | 2008-04-10 | ORBIMED ADVISORS LLC | INSULET CORP | 129,785 | 0.5% | EDGAR |
| SC 13D | 2008-04-10 | ORBIMED CAPITAL GP II LLC | INSULET CORP | 129,785 | 0.5% | EDGAR |
| SC 13D | 2008-04-10 | ISALY SAMUEL D | INSULET CORP | 129,785 | 0.5% | EDGAR |
| SC 13G/A | 2008-03-10 | FEDERATED INVESTORS INC /PA/ | INSULET CORP | 3,316,415 | 12.6% | EDGAR |
| SC 13G | 2008-02-14 | FMR LLC | INSULET CORP | 1,650,148 | 6.2% | EDGAR |
| SC 13G | 2008-02-13 | VERSANT VENTURES I LLC | INSULET CORP | 1,957,713 | 7.4% | EDGAR |
| SC 13G | 2008-02-13 | FEDERATED INVESTORS INC /PA/ | INSULET CORP | 2,352,195 | 8.9% | EDGAR |
| SC 13G | 2008-02-12 | PRISM VENTURE PARTNERS III LP | INSULET CORP | 2,646,242 | 10.0% | EDGAR |
| SC 13G | 2008-02-11 | Capital World Investors | INSULET CORP | 1,644,490 | 6.2% | EDGAR |
| SC 13G/A | 2008-02-01 | UNICREDITO ITALIANO SPA | INSULET CORP | 2,055,911 | 7.8% | EDGAR |
| SC 13G | 2007-11-13 | UNICREDITO ITALIANO SPA | INSULET CORP | 1,462,050 | 5.5% | EDGAR |