| SC 13G/A | 2016-02-09 | FRANKLIN RESOURCES INC | Knowles Corp | 16,798,745 | 19.0% | EDGAR |
| SC 13G/A | 2016-01-26 | BlackRock Inc. | Knowles Corp | 7,773,555 | 8.8% | EDGAR |
| SC 13G | 2015-11-10 | SHAPIRO CAPITAL MANAGEMENT LLC | Knowles Corp | 35,000 | 0.0% | EDGAR |
| SC 13G/A | 2015-06-10 | FRANKLIN RESOURCES INC | Knowles Corp | 13,843,824 | 16.3% | EDGAR |
| SC 13D | 2015-05-11 | Knowles Corp | AUDIENCE INC | 4,964,073 | 21.2% | EDGAR |
| SC 13G/A | 2015-05-11 | JANUS CAPITAL MANAGEMENT LLC | Knowles Corp | 8,765,455 | 10.3% | EDGAR |
| SC 13G | 2015-04-10 | SHAPIRO CAPITAL MANAGEMENT LLC | Knowles Corp | 0 | 0.0% | EDGAR |
| SC 13G | 2015-02-18 | JANUS CAPITAL MANAGEMENT LLC | Knowles Corp | 7,909,941 | 9.3% | EDGAR |
| SC 13G | 2015-02-10 | VANGUARD GROUP INC | Knowles Corp | 5,051,846 | 5.9% | EDGAR |
| SC 13G/A | 2015-02-09 | FRANKLIN RESOURCES INC | Knowles Corp | 9,377,016 | 11.0% | EDGAR |
| SC 13G | 2015-02-09 | SHAPIRO CAPITAL MANAGEMENT LLC | Knowles Corp | 0 | 0.0% | EDGAR |
| SC 13G/A | 2015-01-29 | BlackRock Inc. | Knowles Corp | 5,882,049 | 6.9% | EDGAR |
| SC 13G | 2014-12-10 | FRANKLIN RESOURCES INC | Knowles Corp | 9,093,959 | 10.7% | EDGAR |
| SC 13G | 2014-05-08 | BlackRock Inc. | Knowles Corp | 8,555,636 | 10.1% | EDGAR |