| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SUM | Summit Materials, Inc. | Evans Mikel Shane | See Remarks | Nov 01, 2019 | Sale | $21.20 | 598,069 | 12,679,541 | 260,126 | Nov 05, 2019, 05:02 PM | |
| SUM | Summit Materials, Inc. | Evans Mikel Shane | See Remarks | Feb 28, 2019 | Option Exercise | $17.00 | 1,169 | 19,873 | 18,156 | Mar 04, 2019, 08:00 PM | |
| SUM | Summit Materials, Inc. | Evans Mikel Shane | See Remarks | Feb 24, 2019 | Option Exercise | $17.54 | 840 | 14,734 | 14,544 | Feb 26, 2019, 08:26 PM | |
| SUM | Summit Materials, Inc. | Evans Mikel Shane | See Remarks | Feb 28, 2018 | Option Exercise | $31.63 | 451 | 14,265 | 12,554 | Mar 01, 2018, 09:05 PM | |
| SUM | Summit Materials, Inc. | Evans Mikel Shane | See Remarks | Feb 24, 2018 | Option Exercise | $31.74 | 839 | 26,630 | 11,108 | Feb 27, 2018, 06:05 PM | |
| SUM | Summit Materials, Inc. | Evans Mikel Shane | See Remarks | May 05, 2017 | Sale | $26.86 | 44,400 | 1,192,560 | 16,193 | May 08, 2017, 06:09 PM | |
| SUM | Summit Materials, Inc. | Evans Mikel Shane | See Remarks | Dec 16, 2016 | Sale | $23.80 | 60,000 | 1,427,937 | 65,390 | Dec 19, 2016, 06:01 PM | |
| SUM | Summit Materials, Inc. | Evans Mikel Shane | See Remarks | Nov 16, 2016 | Sale | $21.87 | 50,000 | 1,093,500 | 6,090 | Nov 18, 2016, 06:01 PM | |
| SUM | Summit Materials, Inc. | Evans Mikel Shane | See Remarks | Jul 19, 2016 | Sale | $20.67 | 39,400 | 814,398 | 6,090 | Jul 21, 2016, 07:03 PM | |
| SUM | Summit Materials, Inc. | Evans Mikel Shane | See Remarks | Apr 19, 2016 | Sale | $20.00 | 20,000 | 400,000 | 6,090 | Apr 21, 2016, 08:00 PM | |
| SUM | Summit Materials, Inc. | Evans Mikel Shane | See Remarks | Mar 17, 2015 | Buy | $18.00 | 6,000 | 108,000 | 6,000 | Mar 19, 2015, 05:34 PM |
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