| SC 13D/A | 2012-06-11 | GAMCO INVESTORS, INC. ET AL | INTERNAP NETWORK SERVICES CORP | 1,092,765 | 2.1% | EDGAR |
| SC 13G | 2012-05-02 | AVENIR CORP | INTERNAP NETWORK SERVICES CORP | 2,889,751 | 5.4% | EDGAR |
| SC 13G/A | 2012-02-14 | DIMENSIONAL FUND ADVISORS LP | INTERNAP NETWORK SERVICES CORP | 2,767,287 | 5.3% | EDGAR |
| SC 13G/A | 2012-02-13 | BlackRock Inc. | INTERNAP NETWORK SERVICES CORP | 2,895,793 | 5.5% | EDGAR |
| SC 13D/A | 2012-02-08 | GAMCO INVESTORS, INC. ET AL | INTERNAP NETWORK SERVICES CORP | 1,030,051 | 2.0% | EDGAR |
| SC 13G/A | 2012-01-20 | KORNITZER CAPITAL MANAGEMENT INC /KS | INTERNAP NETWORK SERVICES CORP | 3,840,650 | 7.3% | EDGAR |
| SC 13D/A | 2011-09-30 | GAMCO INVESTORS, INC. ET AL | INTERNAP NETWORK SERVICES CORP | 982,051 | 1.9% | EDGAR |
| SC 13D/A | 2011-08-04 | GAMCO INVESTORS, INC. ET AL | INTERNAP NETWORK SERVICES CORP | 850,305 | 1.6% | EDGAR |
| SC 13D/A | 2011-06-24 | GAMCO INVESTORS, INC. ET AL | INTERNAP NETWORK SERVICES CORP | 644,635 | 1.2% | EDGAR |
| SC 13D/A | 2011-06-02 | GAMCO INVESTORS, INC. ET AL | INTERNAP NETWORK SERVICES CORP | 571,335 | 1.1% | EDGAR |
| SC 13D | 2011-05-23 | GAMCO INVESTORS, INC. ET AL | INTERNAP NETWORK SERVICES CORP | 538,835 | 1.0% | EDGAR |
| SC 13G/A | 2011-02-15 | Empire Capital Management, L.L.C. | INTERNAP NETWORK SERVICES CORP | 111,499 | 0.2% | EDGAR |
| SC 13G/A | 2011-02-11 | DIMENSIONAL FUND ADVISORS LP | INTERNAP NETWORK SERVICES CORP | 2,807,750 | 5.4% | EDGAR |
| SC 13G/A | 2011-02-04 | BlackRock Inc. | INTERNAP NETWORK SERVICES CORP | 3,124,875 | 6.0% | EDGAR |
| SC 13G/A | 2011-01-21 | KORNITZER CAPITAL MANAGEMENT INC /KS | INTERNAP NETWORK SERVICES CORP | 3,647,807 | 7.0% | EDGAR |
| SC 13G | 2010-08-03 | Empire Capital Management, L.L.C. | INTERNAP NETWORK SERVICES CORP | 786,107 | 1.5% | EDGAR |
| SC 13G | 2010-02-08 | DIMENSIONAL FUND ADVISORS LP | INTERNAP NETWORK SERVICES CORP | 2,665,178 | 5.2% | EDGAR |
| SC 13G | 2010-01-29 | BlackRock Inc. | INTERNAP NETWORK SERVICES CORP | 2,993,245 | 5.9% | EDGAR |
| SC 13G/A | 2010-01-22 | KORNITZER CAPITAL MANAGEMENT INC /KS | INTERNAP NETWORK SERVICES CORP | 3,395,850 | 6.7% | EDGAR |
| SC 13G/A | 2009-05-14 | Integral Capital Management VII, LLC | INTERNAP NETWORK SERVICES CORP | 1,174,000 | 2.3% | EDGAR |