| Insider Name | Buy/Sell | Company Name | Ticker | Amount | Shares Change | |||
|---|---|---|---|---|---|---|---|---|
| Dec 01, 2021 | Dec 01, 2021 | Baker Arthur R. III CTO | Buy | Proto Labs Inc | PRLB | $49.21 | $492,100 | +24.62% |
| Feb 16, 2021 | Feb 18, 2021 | Baker Arthur R. III CTO | Sell | Proto Labs Inc | PRLB | $187 | $2M | -30.25% |
| May 18, 2020 | May 20, 2020 | Baker Arthur R. III CTO | Sell | Proto Labs Inc | PRLB | $115.07 | $228,751 | -9.10% |
| Sep 04, 2018 | Sep 11, 2018 | Baker Arthur R. III CTO | Sell | Proto Labs Inc | PRLB | $154.81 | $537,815 | -17.35% |
| Sep 01, 2016 | Sep 06, 2016 | Baker Arthur R. III CTO | Buy | Proto Labs Inc | PRLB | $55 | $165,000 | +29.69% |
| Feb 13, 2014 | Feb 18, 2014 | Baker Arthur R. III SVP Test | Sell | Mts Systems Corp | MTSC | $72.56 | $776,815 | -90.62% |
| Sep 10, 2013 | Sep 12, 2013 | Baker Arthur R. III SVP Test | Sell | Mts Systems Corp | MTSC | $59.99 | $202,046 | -35.19% |
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