| Insider Name | Buy/Sell | Company Name | Ticker | Amount | Shares Change | |||
|---|---|---|---|---|---|---|---|---|
| Dec 11, 2017 | Dec 14, 2017 | Murphy Damian John EVP East Division Pres | Sell | Summit Materials, Inc. | SUM | $31.75 | $4M | -94.85% |
| Sep 08, 2017 | Sep 12, 2017 | Murphy Damian John EVP East Division Pres | Sell | Summit Materials, Inc. | SUM | $30.66 | $3M | -94.12% |
| May 05, 2017 | May 08, 2017 | Murphy Damian John EVP East Division Pres | Sell | Summit Materials, Inc. | SUM | $28.18 | $3M | -94.04% |
| Mar 16, 2017 | Mar 21, 2017 | Murphy Damian John EVP East Division Pres | Sell | Summit Materials, Inc. | SUM | $24.09 | $771,675 | -87.07% |
| Mar 17, 2015 | Mar 19, 2015 | Murphy Damian John EVP Central Region Pres | Buy | Summit Materials, Inc. | SUM | $18 | $54,000 | +50.00% |