| SC 13G/A | 2020-02-12 | DIMENSIONAL FUND ADVISORS LP | SIGMA DESIGNS INC | 0 | 0.0% | EDGAR |
| SC 13G/A | 2019-02-13 | RENAISSANCE TECHNOLOGIES LLC | SIGMA DESIGNS INC | 0 | 0.0% | EDGAR |
| SC 13G/A | 2019-02-08 | DIMENSIONAL FUND ADVISORS LP | SIGMA DESIGNS INC | 2,008,790 | 5.0% | EDGAR |
| SC 13G/A | 2018-08-09 | BlackRock Inc. | SIGMA DESIGNS INC | 581,670 | 1.5% | EDGAR |
| SC 13G/A | 2018-02-14 | Raging Capital Management, LLC | SIGMA DESIGNS INC | - | 0.0% | EDGAR |
| SC 13G/A | 2018-02-14 | SOROS FUND MANAGEMENT LLC | SIGMA DESIGNS INC | 5,118,789 | 13.2% | EDGAR |
| SC 13G | 2018-02-14 | RENAISSANCE TECHNOLOGIES LLC | SIGMA DESIGNS INC | 2,473,500 | 6.4% | EDGAR |
| SC 13G/A | 2018-02-09 | VANGUARD GROUP INC | SIGMA DESIGNS INC | 1,926,436 | 5.0% | EDGAR |
| SC 13G/A | 2018-02-09 | DIMENSIONAL FUND ADVISORS LP | SIGMA DESIGNS INC | 3,132,063 | 8.1% | EDGAR |
| SC 13G/A | 2018-01-23 | BlackRock Inc. | SIGMA DESIGNS INC | 2,301,861 | 5.9% | EDGAR |
| SC 13G/A | 2017-04-14 | SOROS FUND MANAGEMENT LLC | SIGMA DESIGNS INC | 4,068,819 | 10.7% | EDGAR |
| SC 13G/A | 2017-02-14 | RENAISSANCE TECHNOLOGIES LLC | SIGMA DESIGNS INC | 1,773,100 | 4.7% | EDGAR |
| SC 13G | 2017-02-14 | Raging Capital Management, LLC | SIGMA DESIGNS INC | 2,548,127 | 6.7% | EDGAR |
| SC 13G/A | 2017-02-13 | VANGUARD GROUP INC | SIGMA DESIGNS INC | 2,470,782 | 6.5% | EDGAR |
| SC 13G/A | 2017-02-09 | DIMENSIONAL FUND ADVISORS LP | SIGMA DESIGNS INC | 3,116,796 | 8.2% | EDGAR |
| SC 13G/A | 2017-01-27 | BlackRock Inc. | SIGMA DESIGNS INC | 2,238,040 | 5.9% | EDGAR |
| SC 13G | 2017-01-23 | SOROS FUND MANAGEMENT LLC | SIGMA DESIGNS INC | 2,006,666 | 5.3% | EDGAR |
| SC 13G | 2016-02-12 | RENAISSANCE TECHNOLOGIES LLC | SIGMA DESIGNS INC | 1,901,300 | 5.2% | EDGAR |
| SC 13G | 2016-02-11 | VANGUARD GROUP INC | SIGMA DESIGNS INC | 2,380,085 | 6.5% | EDGAR |
| SC 13G/A | 2016-02-09 | DIMENSIONAL FUND ADVISORS LP | SIGMA DESIGNS INC | 2,709,307 | 7.4% | EDGAR |