| 2018-05-01 | Niew Jeffrey | President & CEO | Buy | 200 | $12.36 | $2,472.36 | - | → |
| 2018-04-02 | Polacek Michael S. | President, Intelligent Audio | Buy | 1,178 | $12.36 | $14,560.08 | +1.9% | → |
| 2018-03-01 | Polacek Michael S. | President, Intelligent Audio | Buy | 1,027 | $14.44 | $14,829.88 | +1.7% | → |
| 2018-02-16 | HIRSCH DIDIER | Director | Buy | 3,000 | $14.45 | $43,335.00 | +7.3% | → |
| 2018-02-12 | HIRSCH DIDIER | Director | Buy | 2,000 | $13.40 | $26,800.00 | +5.2% | → |
| 2018-02-01 | Polacek Michael S. | President, Intelligent Audio | Buy | 975 | $15.21 | $14,829.75 | +2.1% | → |
| 2018-01-02 | Polacek Michael S. | President, Intelligent Audio | Buy | 1,007 | $14.78 | $14,883.46 | +2.2% | → |
| 2017-12-01 | Polacek Michael S. | President, Intelligent Audio | Buy | 965 | $15.40 | $14,861.00 | +2.2% | → |
| 2017-11-08 | Polacek Michael S. | President, Intelligent Audio | Buy | 925 | $16.18 | $14,963.08 | +2.2% | → |
| 2017-08-04 | Polacek Michael S. | President, Intelligent Audio | Buy | 3,246 | $15.40 | $49,988.40 | +8.2% | → |
| 2017-03-08 | Jackson Thomas G | Senior VP & General Counsel | Sell | 5,756 | $18.34 | $105,565.04 | -16.7% | → |
| 2017-03-08 | Niew Jeffrey | President & CEO | Sell | 3,217 | $18.34 | $58,999.78 | -0.9% | → |
| 2017-02-22 | Jackson Thomas G | Senior VP & General Counsel | Sale+OE | 21,277 | $19.30 | $410,646.10 | -34.1% | → |
| 2017-02-21 | Jackson Thomas G | Senior VP & General Counsel | Sell | 3,909 | $19.33 | $75,560.97 | -8.7% | → |
| 2017-02-21 | Anderson John S. | Senior VP & CFO | Sell | 2,198 | $19.33 | $42,487.34 | -2.5% | → |
| 2017-02-21 | Niew Jeffrey | President & CEO | Sell | 11,727 | $19.33 | $226,682.91 | -2.8% | → |
| 2016-11-18 | BARNES KEITH | Director | Sell | 3,485 | $16.05 | $55,934.25 | -12.4% | → |
| 2016-08-12 | BARNES KEITH | Director | Sell | 1,693 | $13.73 | $23,244.89 | -5.7% | → |
| 2016-07-29 | Jackson Thomas G | Senior VP & General Counsel | Sell | 3,764 | $13.42 | $50,516.64 | -10.5% | → |
| 2016-02-18 | Niew Jeffrey | President & CEO | Sell | 4,467 | $11.15 | $49,807.05 | -1.4% | → |
| 2016-02-18 | HIRSCH DIDIER | Director | Buy | 2,000 | $11.10 | $22,200.00 | +12.7% | → |
| 2016-02-18 | Walker Gordon A. | President, Acoustics | Buy | 9,000 | $10.87 | $97,820.10 | +27.5% | → |
| 2016-02-17 | Niew Jeffrey | President & CEO | Buy | 2,500 | $10.95 | $27,375.00 | +1.4% | → |
| 2016-02-16 | Jankov Ronald Steven | Director | Buy | 10,000 | $10.80 | $108,000.00 | +54.6% | → |
| 2016-02-16 | Anderson John S. | Senior VP & CFO | Sell | 377 | $9.68 | $3,649.36 | -0.9% | → |
| 2016-02-16 | Niew Jeffrey | President & CEO | Sell | 941 | $9.68 | $9,108.88 | -0.5% | → |
| 2015-11-13 | Eul Hermann | Director | Buy | 1,250 | $15.39 | $19,231.88 | +13.4% | → |
| 2015-11-12 | MACLEOD DONALD | Director | Buy | 15,000 | $15.92 | $238,800.00 | +81.9% | → |
| 2015-10-29 | LOCHRIDGE RICHARD K | Director | Buy | 5,800 | $17.09 | $99,104.60 | +34.9% | → |
| 2015-08-24 | HIRSCH DIDIER | Director | Buy | 1,200 | $14.00 | $16,800.00 | +8.3% | → |
| 2015-08-20 | HIRSCH DIDIER | Director | Buy | 1,000 | $15.00 | $15,000.00 | +7.4% | → |
| 2015-08-10 | ERGAS JEAN PIERRE | Director | Buy | 5,630 | $17.64 | $99,313.20 | +10.2% | → |
| 2015-05-29 | Wynn James F. | SVP, Global Supply Chain | Buy | 1,275 | $19.33 | $24,645.62 | +10.8% | → |
| 2015-05-12 | Giesecke Daniel J. | Senior VP & COO | Buy | 5,000 | $18.50 | $92,476.00 | +4.3% | → |
| 2015-05-12 | Anderson John S. | Senior VP & CFO | Buy | 1,000 | $18.60 | $18,600.00 | +2.4% | → |
| 2015-05-08 | Dickinson Paul M | SVP - Corp. Development | Buy | 6,000 | $18.49 | $110,940.00 | +36.1% | → |