| SC 13G/A | 2016-02-10 | VANGUARD GROUP INC | CABOT MICROELECTRONICS CORP | 1,796,231 | 7.3% | EDGAR |
| SC 13G/A | 2016-02-03 | ROYCE & ASSOCIATES LLC | CABOT MICROELECTRONICS CORP | 1,063,845 | 4.4% | EDGAR |
| SC 13G/A | 2016-02-02 | RIVERBRIDGE PARTNERS LLC | CABOT MICROELECTRONICS CORP | 866,861 | 3.5% | EDGAR |
| SC 13G/A | 2016-01-26 | BlackRock Inc. | CABOT MICROELECTRONICS CORP | 2,308,788 | 9.4% | EDGAR |
| SC 13G/A | 2015-02-17 | EARNEST PARTNERS LLC | CABOT MICROELECTRONICS CORP | 1,902,682 | 8.0% | EDGAR |
| SC 13G/A | 2015-02-13 | PRICE T ROWE ASSOCIATES INC /MD/ | CABOT MICROELECTRONICS CORP | 1,566,806 | 6.5% | EDGAR |
| SC 13G | 2015-02-13 | SHAPIRO CAPITAL MANAGEMENT LLC | CABOT MICROELECTRONICS CORP | 0 | 0.0% | EDGAR |
| SC 13G/A | 2015-02-10 | VANGUARD GROUP INC | CABOT MICROELECTRONICS CORP | 1,524,460 | 6.4% | EDGAR |
| SC 13G/A | 2015-01-29 | RIVERBRIDGE PARTNERS LLC | CABOT MICROELECTRONICS CORP | 1,548,280 | 6.5% | EDGAR |
| SC 13G/A | 2015-01-09 | BlackRock Inc. | CABOT MICROELECTRONICS CORP | 2,690,958 | 11.3% | EDGAR |
| SC 13G/A | 2015-01-06 | ROYCE & ASSOCIATES LLC | CABOT MICROELECTRONICS CORP | 1,921,484 | 8.1% | EDGAR |
| SC 13G | 2014-11-07 | SHAPIRO CAPITAL MANAGEMENT LLC | CABOT MICROELECTRONICS CORP | 0 | 0.0% | EDGAR |
| SC 13G/A | 2014-10-08 | BlackRock Inc. | CABOT MICROELECTRONICS CORP | 2,595,969 | 10.9% | EDGAR |
| SC 13G/A | 2014-02-14 | EARNEST PARTNERS LLC | CABOT MICROELECTRONICS CORP | 2,047,260 | 8.7% | EDGAR |
| SC 13G/A | 2014-02-12 | PRICE T ROWE ASSOCIATES INC /MD/ | CABOT MICROELECTRONICS CORP | 1,715,416 | 7.2% | EDGAR |
| SC 13G/A | 2014-02-11 | VANGUARD GROUP INC | CABOT MICROELECTRONICS CORP | 1,380,635 | 5.8% | EDGAR |
| SC 13G/A | 2014-02-04 | RIVERBRIDGE PARTNERS LLC | CABOT MICROELECTRONICS CORP | 1,906,551 | 8.1% | EDGAR |
| SC 13G/A | 2014-01-28 | BlackRock Inc. | CABOT MICROELECTRONICS CORP | 2,001,718 | 8.5% | EDGAR |
| SC 13G/A | 2014-01-15 | KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | CABOT MICROELECTRONICS CORP | 890,575 | 3.7% | EDGAR |
| SC 13G/A | 2014-01-07 | ROYCE & ASSOCIATES LLC | CABOT MICROELECTRONICS CORP | 2,750,692 | 11.7% | EDGAR |