| SC 13D/A | 2017-12-27 | ELLIOTT ASSOCIATES, L.P. | Gigamon Inc. | 0 | 0.0% | EDGAR |
| SC 13D/A | 2017-10-30 | ELLIOTT ASSOCIATES, L.P. | Gigamon Inc. | 842,048 | 2.2% | EDGAR |
| SC 13G/A | 2017-05-09 | BlackRock Inc. | Gigamon Inc. | 3,769,139 | 10.3% | EDGAR |
| SC 13D | 2017-05-08 | ELLIOTT ASSOCIATES, L.P. | Gigamon Inc. | 842,048 | 2.3% | EDGAR |
| SC 13G | 2017-02-14 | Allianz Global Investors U.S. Holdings LLC | Gigamon Inc. | 2,239,382 | 6.2% | EDGAR |
| SC 13G/A | 2017-02-13 | VANGUARD GROUP INC | Gigamon Inc. | 2,806,175 | 7.8% | EDGAR |
| SC 13G/A | 2017-01-24 | BlackRock Inc. | Gigamon Inc. | 2,238,468 | 6.2% | EDGAR |
| SC 13G/A | 2016-02-16 | Highland Management Partners VII, LLC | Gigamon Inc. | 1,374,500 | 4.0% | EDGAR |
| SC 13G/A | 2016-02-12 | NORTH RUN CAPITAL, LP | Gigamon Inc. | 450,000 | 1.3% | EDGAR |
| SC 13G/A | 2016-02-10 | Leong Patrick P | Gigamon Inc. | 986,836 | 2.9% | EDGAR |
| SC 13G/A | 2016-02-10 | Cheung Thomas | Gigamon Inc. | 1,217,440 | 3.6% | EDGAR |
| SC 13G | 2016-02-10 | VANGUARD GROUP INC | Gigamon Inc. | 2,506,162 | 7.4% | EDGAR |
| SC 13G | 2016-01-28 | BlackRock Inc. | Gigamon Inc. | 1,713,992 | 5.0% | EDGAR |
| SC 13G | 2015-02-13 | NORTH RUN CAPITAL, LP | Gigamon Inc. | 2,375,000 | 7.3% | EDGAR |
| SC 13G/A | 2015-02-10 | GILDER GAGNON HOWE & CO LLC | Gigamon Inc. | 349,216 | 1.1% | EDGAR |
| SC 13G | 2015-02-10 | Leong Patrick P | Gigamon Inc. | 1,874,340 | 5.8% | EDGAR |
| SC 13G | 2015-02-10 | Ho Ted C | Gigamon Inc. | 1,495,369 | 4.6% | EDGAR |
| SC 13G | 2015-02-10 | Won King | Gigamon Inc. | 1,559,734 | 4.8% | EDGAR |
| SC 13G | 2014-02-14 | Highland Management Partners VII, LLC | Gigamon Inc. | 5,774,500 | 18.6% | EDGAR |
| SC 13G | 2014-02-14 | Won King | Gigamon Inc. | 1,581,535 | 5.1% | EDGAR |