| 2019-09-30 | MPWR | Pres. of MPS Asia Operations | Sell | 22,929 | $156.18 | $3,580,973.15 | -3.4% | → |
| 2019-08-22 | MPWR | Pres. of MPS Asia Operations | Sell | 5 | $156.17 | $780.85 | - | → |
| 2019-08-16 | MPWR | Pres. of MPS Asia Operations | Sell | 8,670 | $151.71 | $1,315,359.51 | -2.5% | → |
| 2019-08-09 | MPWR | Pres. of MPS Asia Operations | Sell | 7,752 | $150.44 | $1,166,209.23 | -0.7% | → |
| 2019-08-05 | MPWR | Pres. of MPS Asia Operations | Sell | 3,066 | $140.60 | $431,080.83 | -0.9% | → |
| 2019-07-01 | MPWR | Pres. of MPS Asia Operations | Sale+OE | 4,305 | $139.56 | $600,789.01 | -1.2% | → |
| 2019-05-17 | MPWR | Pres. of MPS Asia Operations | Sell | 6,838 | $128.84 | $881,013.55 | -1.0% | → |
| 2019-05-08 | MPWR | Pres. of MPS Asia Operations | Sell | 2,470 | $138.03 | $340,923.23 | -0.7% | → |
| 2019-05-03 | MPWR | Pres. of MPS Asia Operations | Sell | 3,144 | $144.49 | $454,280.65 | -0.9% | → |
| 2019-04-01 | MPWR | Pres. of MPS Asia Operations | Sell | 4,305 | $138.60 | $596,663.96 | -1.2% | → |
| 2019-02-25 | MPWR | Pres. of MPS Asia Operations | Sell | 13,979 | $138.74 | $1,939,473.37 | -1.9% | → |
| 2019-02-12 | MPWR | Pres. of MPS Asia Operations | Sell | 21,308 | $130.66 | $2,784,041.49 | -5.5% | → |
| 2019-02-04 | MPWR | Pres. of MPS Asia Operations | Sell | 3,623 | $129.59 | $469,500.58 | -1.1% | → |