| SC 13G/A | 2014-11-10 | DELAWARE MANAGEMENT BUSINESS TRUST | K12 INC | 698 | 1.8% | EDGAR |
| SC 13G/A | 2014-11-07 | Jackson Square Partners, LLC | K12 INC | 1,120,854 | 2.9% | EDGAR |
| SC 13G/A | 2014-10-10 | Jackson Square Partners, LLC | K12 INC | 3,349,340 | 8.7% | EDGAR |
| SC 13G | 2014-10-10 | Jackson Square Partners, LLC | K12 INC | 5,842,450 | 14.8% | EDGAR |
| SC 13G/A | 2014-06-10 | MACQUARIE GROUP LTD | K12 INC | 4,101,185 | 10.4% | EDGAR |
| SC 13G/A | 2014-06-10 | MACQUARIE BANK LTD | K12 INC | 4,101,185 | 10.4% | EDGAR |
| SC 13G/A | 2014-06-10 | Delaware Management Holdings, Inc. | K12 INC | 4,101,185 | 10.4% | EDGAR |
| SC 13G/A | 2014-06-10 | DELAWARE MANAGEMENT BUSINESS TRUST | K12 INC | 4,101,185 | 10.4% | EDGAR |
| SC 13G/A | 2014-05-12 | FMR LLC | K12 INC | 54,800 | 0.1% | EDGAR |
| SC 13G/A | 2014-02-14 | FMR LLC | K12 INC | 2,885,000 | 7.0% | EDGAR |
| SC 13G/A | 2014-02-14 | FRONTIER CAPITAL MANAGEMENT CO LLC | K12 INC | 730,829 | 1.8% | EDGAR |
| SC 13G/A | 2014-02-14 | MACQUARIE GROUP LTD | K12 INC | 6,717,320 | 16.3% | EDGAR |
| SC 13G/A | 2014-02-14 | MACQUARIE BANK LTD | K12 INC | 6,717,320 | 16.3% | EDGAR |
| SC 13G/A | 2014-02-14 | Delaware Management Holdings, Inc. | K12 INC | 6,717,320 | 16.3% | EDGAR |
| SC 13G/A | 2014-02-14 | DELAWARE MANAGEMENT BUSINESS TRUST | K12 INC | 6,717,320 | 16.3% | EDGAR |
| SC 13G/A | 2013-11-08 | BLAIR WILLIAM & CO/IL | K12 INC | 537,450 | 1.4% | EDGAR |
| SC 13D/A | 2013-09-04 | LEARNING GROUP LLC | K12 INC | 0 | 0.0% | EDGAR |
| SC 13D/A | 2013-03-04 | LEARNING GROUP LLC | K12 INC | - | - | EDGAR |
| SC 13G/A | 2013-02-14 | MACQUARIE GROUP LTD | K12 INC | 5,368,580 | 14.5% | EDGAR |
| SC 13G/A | 2013-02-14 | MACQUARIE BANK LTD | K12 INC | 5,368,580 | 14.5% | EDGAR |