| 2021-08-13 | WATT | Senior Vice President & CFO | Sell | 15,735 | $2.39 | $37,606.65 | -4.9% | → |
| 2021-07-02 | WATT | Senior Vice President & CFO | Sell | 21,570 | $2.71 | $58,454.70 | -7.1% | → |
| 2021-05-14 | WATT | Senior Vice President & CFO | Sell | 20,430 | $2.50 | $51,075.00 | -6.3% | → |
| 2021-03-31 | WATT | Senior Vice President & CFO | Sell | 10,510 | $4.06 | $42,670.60 | -3.2% | → |
| 2021-03-12 | WATT | Senior Vice President & CFO | Sell | 45,633 | $4.30 | $196,313.34 | -9.2% | → |
| 2021-02-23 | WATT | Senior Vice President & CFO | Sell | 3,794 | $4.83 | $18,325.02 | -1.4% | → |
| 2021-02-16 | WATT | Senior Vice President & CFO | Sell | 11,128 | $4.34 | $48,340.08 | -2.0% | → |
| 2021-01-04 | WATT | Senior Vice President & CFO | Sell | 4,471 | $1.89 | $8,450.19 | -1.6% | → |
| 2020-11-16 | WATT | Senior Vice President & CFO | Sell | 11,075 | $2.05 | $22,703.75 | -3.8% | → |
| 2020-08-18 | WATT | Senior Vice President & CFO | Sell | 15,125 | $3.47 | $52,504.50 | -2.5% | → |
| 2020-05-15 | WATT | Senior Vice President & CFO | Sell | 11,075 | $1.84 | $20,378.00 | -3.5% | → |
| 2020-02-21 | WATT | Senior Vice President & CFO | Sell | 2,625 | $1.84 | $4,830.00 | -1.8% | → |
| 2020-02-14 | WATT | Senior Vice President & CFO | Sell | 3,716 | $1.74 | $6,465.84 | -2.5% | → |
| 2020-01-02 | WATT | Senior Vice President & CFO | Sell | 4,463 | $1.98 | $8,836.74 | -2.9% | → |
| 2019-11-15 | WATT | Senior Vice President & CFO | Sell | 3,336 | $2.10 | $7,005.60 | -2.1% | → |
| 2019-08-16 | WATT | Senior Vice President & CFO | Sell | 10,313 | $3.58 | $36,920.54 | -6.1% | → |
| 2019-07-12 | WATT | Senior Vice President & CFO | Sale+OE | 15,300 | $4.59 | $70,227.00 | -9.9% | → |
| 2019-05-29 | WATT | Senior Vice President & CFO | Sell | 34,500 | $4.35 | $150,027.45 | -9.6% | → |
| 2019-04-02 | WATT | Senior Vice President & CFO | Sell | 2,700 | $6.18 | $16,686.00 | -1.4% | → |
| 2019-02-04 | WATT | Senior Vice President & CFO | Sell | 3,400 | $7.51 | $25,537.74 | -2.8% | → |
| 2019-01-30 | WATT | Senior Vice President & CFO | Sell | 3,792 | $7.40 | $28,060.80 | -3.0% | → |
| 2019-01-02 | WATT | Senior Vice President & CFO | Sell | 4,463 | $6.87 | $30,660.81 | -3.8% | → |
| 2018-08-20 | WATT | Senior Vice President & CFO | Sell | 4,010 | $12.59 | $50,466.65 | -3.4% | → |
| 2018-07-16 | WATT | Senior Vice President & CFO | Sale+OE | 10,540 | $15.54 | $163,843.25 | -8.1% | → |
| 2018-06-06 | WATT | Senior Vice President & CFO | Sell | 1,645 | $17.04 | $28,035.08 | -1.6% | → |