| Insider Name | Buy/Sell | Company Name | Ticker | Amount | Shares Change | |||
|---|---|---|---|---|---|---|---|---|
| Dec 20, 2021 | Dec 20, 2021 | Mumford Colleen Elizabeth VP Marketing Communications | Sell | Cmc Materials, Inc. | CCMP | $184.63 | $1M | -71.19% |
| Aug 12, 2020 | Aug 13, 2020 | Mumford Colleen Elizabeth VP Marketing Communications | Sell | Cabot Microelectronics Corp | CCMP | $168.9 | $178,359 | -35.54% |