| 2017-12-19 | Sahejpal Neeraj | Senior VP, Product Marketing | Sell | 920 | $9.28 | $8,538.52 | -1.0% | → |
| 2017-12-14 | Sahejpal Neeraj | Senior VP, Product Marketing | Sell | 1,350 | $8.72 | $11,772.41 | -1.5% | → |
| 2017-12-14 | Sereda Brian J | Senior Vice President & CFO | Sell | 901 | $8.75 | $7,884.65 | -1.3% | → |
| 2017-11-13 | Sahejpal Neeraj | Senior VP, Product Marketing | Sell | 2,846 | $9.35 | $26,623.76 | -3.1% | → |
| 2017-09-26 | Johnston Cesar | Senior VP, Engineering | Sell | 15,000 | $12.55 | $188,316.00 | -14.4% | → |
| 2017-09-11 | Sahejpal Neeraj | Senior VP, Product Marketing | Sell | 9,867 | $12.53 | $123,651.27 | -9.7% | → |
| 2017-09-08 | Sereda Brian J | Senior Vice President & CFO | Sell | 34,000 | $13.09 | $445,043.00 | -73.9% | → |
| 2017-08-23 | Johnston Cesar | Senior VP, Engineering | Sell | 9,699 | $9.40 | $91,139.09 | -4.4% | → |
| 2017-08-21 | Sereda Brian J | Senior Vice President & CFO | Sell | 4,750 | $9.31 | $44,239.60 | -3.9% | → |
| 2017-08-21 | Leabman Michael Aaron | Chief Technology Officer | Sell | 10,515 | $9.31 | $97,932.50 | -5.5% | → |
| 2017-08-21 | Sahejpal Neeraj | Senior VP, Product Marketing | Sell | 3,705 | $9.31 | $34,506.89 | -3.5% | → |
| 2017-07-17 | Johnston Cesar | Senior VP, Engineering | Sale+OE | 9,443 | $16.11 | $152,129.56 | -7.7% | → |
| 2017-07-14 | Sereda Brian J | Senior Vice President & CFO | Sale+OE | 11,395 | $16.11 | $183,525.59 | -8.5% | → |
| 2017-06-14 | Sereda Brian J | Vice President & CFO | Sell | 945 | $15.85 | $14,974.75 | -0.9% | → |
| 2017-06-14 | Sahejpal Neeraj | Senior VP, Product Marketing | Sell | 1,615 | $15.85 | $25,591.77 | -1.5% | → |
| 2017-06-14 | Gaulding John | - | Sale+OE | 2,140 | $15.85 | $33,911.08 | -2.2% | → |
| 2017-06-01 | Sahejpal Neeraj | Senior VP, Product Marketing | Sell | 2,000 | $15.50 | $31,000.40 | -1.8% | → |
| 2017-03-16 | Johnston Cesar | Senior VP, Engineering | Sell | 37,000 | $15.88 | $587,486.00 | -27.4% | → |
| 2017-01-12 | Sereda Brian J | Vice President & CFO | Sell | 162 | $18.42 | $2,984.06 | -0.2% | → |
| 2017-01-12 | Johnston Cesar | Senior VP, Engineering | Sell | 325 | $18.42 | $5,986.53 | -0.3% | → |
| 2017-01-12 | Leabman Michael Aaron | Chief Technology Officer | Sell | 162 | $18.42 | $2,984.06 | -0.1% | → |
| 2017-01-06 | Gaulding John | - | Sale+OE | 14,651 | $16.93 | $248,070.73 | -24.0% | → |
| 2016-12-15 | Gaulding John | - | Sale+OE | 19,013 | $17.00 | $323,175.37 | -47.5% | → |
| 2016-11-14 | Leabman Michael Aaron | Chief Technology Officer | Sale+OE | 4,396 | $14.02 | $61,609.94 | -3.7% | → |
| 2016-11-14 | Sereda Brian J | Vice President & CFO | Sale+OE | 1,853 | $13.85 | $25,664.05 | -2.6% | → |
| 2016-11-11 | Gaulding John | - | Sale+OE | 814 | $13.80 | $11,233.28 | -3.7% | → |
| 2016-11-11 | Johnston Cesar | Senior VP, Engineering | Sale+OE | 58,164 | $14.26 | $829,389.87 | -20.4% | → |
| 2016-08-18 | Gaulding John | - | Sell | 352 | $14.38 | $5,061.76 | -1.8% | → |
| 2016-06-01 | Tamkin Gregory S | - | Sell | 25,000 | $10.57 | $264,250.00 | -1.6% | → |
| 2016-04-11 | Tamkin Gregory S | - | Sell | 25,000 | $10.18 | $254,500.00 | -1.5% | → |
| 2016-03-30 | Tamkin Gregory S | - | Sell | 25,000 | $10.26 | $256,500.00 | -1.5% | → |
| 2016-02-17 | Gaulding John | - | Sell | 10,977 | $5.68 | $62,349.36 | -36.8% | → |
| 2015-11-20 | RIZZONE STEPHEN R | President and CEO | Buy | 22,000 | $6.90 | $151,800.00 | +40.5% | → |
| 2015-11-06 | Tamkin Gregory S | - | Sell | 50,000 | $8.12 | $406,000.00 | -2.9% | → |
| 2015-10-29 | Tamkin Gregory S | - | Sell | 25,000 | $7.75 | $193,750.00 | -1.4% | → |
| 2015-09-23 | Tamkin Gregory S | - | Sell | 25,000 | $7.50 | $187,500.00 | -1.4% | → |
| 2015-09-21 | Tamkin Gregory S | - | Sell | 25,000 | $7.05 | $176,250.00 | -1.4% | → |
| 2015-08-26 | RIZZONE STEPHEN R | President and CEO | Buy | 700 | $5.98 | $4,186.00 | +1.3% | → |
| 2015-08-25 | RIZZONE STEPHEN R | President and CEO | Buy | 5,000 | $6.20 | $31,000.00 | +10.6% | → |
| 2015-07-15 | Johnston Cesar | Senior VP of Engineering | Sale+OE | 9,450 | $8.36 | $79,002.00 | -20.7% | → |
| 2015-07-09 | RIZZONE STEPHEN R | President and CEO | Sell | 217 | $7.40 | $1,605.80 | -0.5% | → |
| 2015-07-09 | Leabman Michael Aaron | Chief Technology Officer | Sell | 24 | $7.40 | $177.60 | - | → |
| 2015-07-09 | Johnston Cesar | Senior VP of Engineering | Sell | 46 | $7.40 | $340.40 | -0.2% | → |
| 2015-07-09 | Holmes George B | VP of Sales and Marketing | Sell | 34 | $7.38 | $250.92 | -0.4% | → |
| 2015-07-09 | Gaulding John | - | Sell | 13 | $7.40 | $96.20 | -44.8% | → |
| 2015-06-23 | Tamkin Gregory S | - | Sell | 75,000 | $8.44 | $633,000.00 | -4.1% | → |
| 2015-04-10 | Tamkin Gregory S | - | Sell | 14,437 | $9.07 | $130,943.59 | -0.8% | → |
| 2015-04-09 | Tamkin Gregory S | - | Sell | 10,563 | $9.04 | $95,489.52 | -0.6% | → |