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Insider Trading - Summit Materials Inc. (SUM)
| | "Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise" - Peter Lynch What is insider trading>> |
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2019-11-01 Sale | 2019-11-05 5:01 pm | Summit Materials Inc. | SUM | MURPHY JOHN RAYMOND Director | 7,809 | $22.94 | $179,138 | 7,494 (Direct) | View |
| 2019-11-01 Sale | 2019-11-05 5:01 pm | Summit Materials Inc. | SUM | Benedict Anne Lee See Remarks | 42,904 | $23.71 | $1,017,254 | 11,709 (Direct) | View |
| 2019-11-01 Sale | 2019-11-05 5:02 pm | Summit Materials Inc. | SUM | Evans Mikel Shane See Remarks | 344,231 | $23.6 | $8,123,621 | 6,288 (Direct) | View |
| 2019-11-04 Sale | 2019-11-06 5:01 pm | Summit Materials Inc. | SUM | Harris Brian James CFO | 30,000 | $23.6 | $708,000 | 30,000 (Indirect Direct) | View |
| 2019-11-15 Sale | 2019-11-18 9:19 pm | Summit Materials Inc. | SUM | Benedict Anne Lee See Remarks | 3,011 | $23.2 | $69,869 | 8,698 (Direct) | View |
| 2019-11-19 Sale | 2019-11-21 7:26 pm | Summit Materials Inc. | SUM | Harris Brian James CFO | 291,155 | $24.1 | $7,016,782 | 86,466 (Indirect Direct) | View |
| 2020-05-26 Sale | 2020-05-28 6:00 pm | Summit Materials Inc. | SUM | Benedict Anne Lee See Remarks | 6,593 | $14.75 | $97,247 | 11,864 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2019-02-24 Exercise | 2019-02-26 8:27 pm | N/A N/A | Summit Materials Inc. | SUM | Benedict Anne Lee See Remarks | 2,646 | $0 | 0 (Direct) | View |
| 2019-02-24 Tax Withholding | 2019-02-26 8:27 pm | N/A N/A | Summit Materials Inc. | SUM | Benedict Anne Lee See Remarks | 908 | $17.54 | 0 (Direct) | View |
| 2019-02-24 Exercise | 2019-02-26 8:27 pm | N/A N/A | Summit Materials Inc. | SUM | Benedict Anne Lee See Remarks | 2,646 | $0 | 0 (Direct) | View |
| 2019-02-24 Exercise | 2019-02-26 8:27 pm | N/A N/A | Summit Materials Inc. | SUM | Harris Brian James CFO | 5,677 | $0 | 0 (Direct) | View |
| 2019-02-24 Tax Withholding | 2019-02-26 8:27 pm | N/A N/A | Summit Materials Inc. | SUM | Harris Brian James CFO | 1,899 | $17.54 | 0 (Direct) | View |
| 2019-02-24 Exercise | 2019-02-26 8:27 pm | N/A N/A | Summit Materials Inc. | SUM | Harris Brian James CFO | 5,677 | $0 | 0 (Direct) | View |
| 2019-02-24 Exercise | 2019-02-26 8:28 pm | N/A N/A | Summit Materials Inc. | SUM | Beck Thomas A. See Remarks | 2,544 | $0 | 0 (Direct) | View |
| 2019-02-24 Tax Withholding | 2019-02-26 8:28 pm | N/A N/A | Summit Materials Inc. | SUM | Beck Thomas A. See Remarks | 907 | $17.54 | 0 (Direct) | View |
| 2019-02-24 Exercise | 2019-02-26 8:28 pm | N/A N/A | Summit Materials Inc. | SUM | Beck Thomas A. See Remarks | 2,544 | $0 | 0 (Direct) | View |
| 2019-02-24 Exercise | 2019-02-26 8:29 pm | N/A N/A | Summit Materials Inc. | SUM | Brady Michael John See Remarks | 2,699 | $0 | 0 (Direct) | View |
| 2019-02-24 Tax Withholding | 2019-02-26 8:29 pm | N/A N/A | Summit Materials Inc. | SUM | Brady Michael John See Remarks | 1,042 | $17.54 | 0 (Direct) | View |
| 2019-02-24 Exercise | 2019-02-26 8:29 pm | N/A N/A | Summit Materials Inc. | SUM | Brady Michael John See Remarks | 2,699 | $0 | 0 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-01 6:01 pm | N/A N/A | Summit Materials Inc. | SUM | CANTIE JOSEPH S Director | 3,994 | $0 | 8,143 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-01 6:01 pm | N/A N/A | Summit Materials Inc. | SUM | CANTIE JOSEPH S Director | 3,994 | $0 | 8,143 (Direct) | View |
| 2019-02-28 Option Award | 2019-03-01 6:01 pm | N/A N/A | Summit Materials Inc. | SUM | CANTIE JOSEPH S Director | 8,143 | $0 | 8,143 (Direct) | View |
| 2019-02-28 Option Award | 2019-03-01 6:01 pm | N/A N/A | Summit Materials Inc. | SUM | Cooney Anne M Director | 8,143 | $0 | 8,143 (Direct) | View |
| 2019-02-28 Option Award | 2019-03-01 6:02 pm | N/A N/A | Summit Materials Inc. | SUM | Ellerbusch Susan A Director | 8,143 | $0 | 8,143 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-01 6:03 pm | N/A N/A | Summit Materials Inc. | SUM | GARDNER TED A Director | 3,994 | $0 | 8,143 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-01 6:03 pm | N/A N/A | Summit Materials Inc. | SUM | GARDNER TED A Director | 3,994 | $0 | 8,143 (Direct) | View |
| 2019-02-28 Option Award | 2019-03-01 6:03 pm | N/A N/A | Summit Materials Inc. | SUM | GARDNER TED A Director | 8,143 | $0 | 8,143 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-01 6:03 pm | N/A N/A | Summit Materials Inc. | SUM | LANCE HOWARD L Director | 3,994 | $0 | 8,143 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-01 6:03 pm | N/A N/A | Summit Materials Inc. | SUM | LANCE HOWARD L Director | 3,994 | $0 | 8,143 (Direct) | View |
| 2019-02-28 Option Award | 2019-03-01 6:03 pm | N/A N/A | Summit Materials Inc. | SUM | LANCE HOWARD L Director | 8,143 | $0 | 8,143 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-01 6:04 pm | N/A N/A | Summit Materials Inc. | SUM | MURPHY JOHN RAYMOND Director | 3,994 | $0 | 8,143 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-01 6:04 pm | N/A N/A | Summit Materials Inc. | SUM | MURPHY JOHN RAYMOND Director | 3,994 | $0 | 8,143 (Direct) | View |
| 2019-02-28 Option Award | 2019-03-01 6:04 pm | N/A N/A | Summit Materials Inc. | SUM | MURPHY JOHN RAYMOND Director | 8,143 | $0 | 8,143 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-01 6:04 pm | N/A N/A | Summit Materials Inc. | SUM | Wade Anne K. Director | 3,994 | $0 | 8,143 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-01 6:04 pm | N/A N/A | Summit Materials Inc. | SUM | Wade Anne K. Director | 3,994 | $0 | 8,143 (Direct) | View |
| 2019-02-28 Option Award | 2019-03-01 6:04 pm | N/A N/A | Summit Materials Inc. | SUM | Wade Anne K. Director | 8,143 | $0 | 8,143 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-01 6:05 pm | N/A N/A | Summit Materials Inc. | SUM | WUNNING STEVEN H Director | 3,994 | $0 | 8,143 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-01 6:05 pm | N/A N/A | Summit Materials Inc. | SUM | WUNNING STEVEN H Director | 3,994 | $0 | 8,143 (Direct) | View |
| 2019-02-28 Option Award | 2019-03-01 6:05 pm | N/A N/A | Summit Materials Inc. | SUM | WUNNING STEVEN H Director | 8,143 | $0 | 8,143 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-04 7:59 pm | N/A N/A | Summit Materials Inc. | SUM | Hill Thomas W. CEO | 10,252 | $0 | 105,537 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-04 7:59 pm | N/A N/A | Summit Materials Inc. | SUM | Hill Thomas W. CEO | 17,252 | $0 | 105,537 (Direct) | View |
| 2019-02-28 Tax Withholding | 2019-03-04 7:59 pm | N/A N/A | Summit Materials Inc. | SUM | Hill Thomas W. CEO | 6,698 | $17 | 105,537 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-04 7:59 pm | N/A N/A | Summit Materials Inc. | SUM | Hill Thomas W. CEO | 10,252 | $0 | 105,537 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-04 7:59 pm | N/A N/A | Summit Materials Inc. | SUM | Hill Thomas W. CEO | 17,252 | $0 | 105,537 (Direct) | View |
| 2019-02-28 Option Award | 2019-03-04 7:59 pm | N/A N/A | Summit Materials Inc. | SUM | Hill Thomas W. CEO | 105,537 | $0 | 105,537 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-04 8:00 pm | N/A N/A | Summit Materials Inc. | SUM | Evans Mikel Shane See Remarks | 1,897 | $0 | 18,176 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-04 8:00 pm | N/A N/A | Summit Materials Inc. | SUM | Evans Mikel Shane See Remarks | 2,884 | $0 | 18,176 (Direct) | View |
| 2019-02-28 Tax Withholding | 2019-03-04 8:00 pm | N/A N/A | Summit Materials Inc. | SUM | Evans Mikel Shane See Remarks | 1,169 | $17 | 18,176 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-04 8:00 pm | N/A N/A | Summit Materials Inc. | SUM | Evans Mikel Shane See Remarks | 1,897 | $0 | 18,176 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-04 8:00 pm | N/A N/A | Summit Materials Inc. | SUM | Evans Mikel Shane See Remarks | 2,884 | $0 | 18,176 (Direct) | View |
| 2019-02-28 Option Award | 2019-03-04 8:00 pm | N/A N/A | Summit Materials Inc. | SUM | Evans Mikel Shane See Remarks | 18,176 | $0 | 18,176 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-04 8:00 pm | N/A N/A | Summit Materials Inc. | SUM | Beck Thomas A. See Remarks | 1,778 | $0 | 17,036 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-04 8:00 pm | N/A N/A | Summit Materials Inc. | SUM | Beck Thomas A. See Remarks | 2,703 | $0 | 17,036 (Direct) | View |
| 2019-02-28 Tax Withholding | 2019-03-04 8:00 pm | N/A N/A | Summit Materials Inc. | SUM | Beck Thomas A. See Remarks | 1,417 | $17 | 17,036 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-04 8:00 pm | N/A N/A | Summit Materials Inc. | SUM | Beck Thomas A. See Remarks | 1,778 | $0 | 17,036 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-04 8:00 pm | N/A N/A | Summit Materials Inc. | SUM | Beck Thomas A. See Remarks | 2,703 | $0 | 17,036 (Direct) | View |
| 2019-02-28 Option Award | 2019-03-04 8:00 pm | N/A N/A | Summit Materials Inc. | SUM | Beck Thomas A. See Remarks | 17,036 | $0 | 17,036 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-04 8:01 pm | N/A N/A | Summit Materials Inc. | SUM | Benedict Anne Lee See Remarks | 1,792 | $0 | 17,341 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-04 8:01 pm | N/A N/A | Summit Materials Inc. | SUM | Benedict Anne Lee See Remarks | 2,752 | $0 | 17,341 (Direct) | View |
| 2019-02-28 Tax Withholding | 2019-03-04 8:01 pm | N/A N/A | Summit Materials Inc. | SUM | Benedict Anne Lee See Remarks | 1,348 | $17 | 17,341 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-04 8:01 pm | N/A N/A | Summit Materials Inc. | SUM | Benedict Anne Lee See Remarks | 1,792 | $0 | 17,341 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-04 8:01 pm | N/A N/A | Summit Materials Inc. | SUM | Benedict Anne Lee See Remarks | 2,752 | $0 | 17,341 (Direct) | View |
| 2019-02-28 Option Award | 2019-03-04 8:01 pm | N/A N/A | Summit Materials Inc. | SUM | Benedict Anne Lee See Remarks | 17,341 | $0 | 17,341 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-04 8:01 pm | N/A N/A | Summit Materials Inc. | SUM | Harris Brian James CFO | 3,843 | $0 | 29,460 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-04 8:01 pm | N/A N/A | Summit Materials Inc. | SUM | Harris Brian James CFO | 4,675 | $0 | 29,460 (Direct) | View |
| 2019-02-28 Tax Withholding | 2019-03-04 8:01 pm | N/A N/A | Summit Materials Inc. | SUM | Harris Brian James CFO | 2,414 | $17 | 29,460 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-04 8:01 pm | N/A N/A | Summit Materials Inc. | SUM | Harris Brian James CFO | 3,843 | $0 | 29,460 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-04 8:01 pm | N/A N/A | Summit Materials Inc. | SUM | Harris Brian James CFO | 4,675 | $0 | 29,460 (Direct) | View |
| 2019-02-28 Option Award | 2019-03-04 8:01 pm | N/A N/A | Summit Materials Inc. | SUM | Harris Brian James CFO | 29,460 | $0 | 29,460 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-04 8:02 pm | N/A N/A | Summit Materials Inc. | SUM | Brady Michael John See Remarks | 1,916 | $0 | 20,969 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-04 8:02 pm | N/A N/A | Summit Materials Inc. | SUM | Brady Michael John See Remarks | 3,328 | $0 | 20,969 (Direct) | View |
| 2019-02-28 Tax Withholding | 2019-03-04 8:02 pm | N/A N/A | Summit Materials Inc. | SUM | Brady Michael John See Remarks | 1,714 | $17 | 20,969 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-04 8:02 pm | N/A N/A | Summit Materials Inc. | SUM | Brady Michael John See Remarks | 1,916 | $0 | 20,969 (Direct) | View |
| 2019-02-28 Exercise | 2019-03-04 8:02 pm | N/A N/A | Summit Materials Inc. | SUM | Brady Michael John See Remarks | 3,328 | $0 | 20,969 (Direct) | View |
| 2019-02-28 Option Award | 2019-03-04 8:02 pm | N/A N/A | Summit Materials Inc. | SUM | Brady Michael John See Remarks | 20,969 | $0 | 20,969 (Direct) | View |
| 2019-02-28 Option Award | 2019-03-04 8:03 pm | N/A N/A | Summit Materials Inc. | SUM | Watson Karl COO | 28,602 | $0 | 28,602 (Direct) | View |
| 2019-08-09 Exercise | 2019-08-13 6:00 pm | N/A N/A | Summit Materials Inc. | SUM | Ellerbusch Susan A Director | 5,137 | $0 | 0 (Direct) | View |
| 2019-08-09 Exercise | 2019-08-13 6:00 pm | N/A N/A | Summit Materials Inc. | SUM | Ellerbusch Susan A Director | 5,137 | $0 | 0 (Direct) | View |
| 2019-08-09 Exercise | 2019-08-13 6:01 pm | N/A N/A | Summit Materials Inc. | SUM | Cooney Anne M Director | 5,137 | $0 | 0 (Direct) | View |
| 2019-08-09 Exercise | 2019-08-13 6:01 pm | N/A N/A | Summit Materials Inc. | SUM | Cooney Anne M Director | 5,137 | $0 | 0 (Direct) | View |
| 2019-11-01 Exercise | 2019-11-05 5:01 pm | N/A N/A | Summit Materials Inc. | SUM | Benedict Anne Lee See Remarks | 16,736 | $18 | 11,709 (Direct) | View |
| 2019-11-01 Exercise | 2019-11-05 5:01 pm | N/A N/A | Summit Materials Inc. | SUM | Benedict Anne Lee See Remarks | 21,756 | $18 | 11,709 (Direct) | View |
| 2019-11-01 Exercise | 2019-11-05 5:01 pm | N/A N/A | Summit Materials Inc. | SUM | Benedict Anne Lee See Remarks | 4,412 | $17.07 | 11,709 (Direct) | View |
| 2019-11-01 Exercise | 2019-11-05 5:01 pm | N/A 2025-03-11 | Summit Materials Inc. | SUM | Benedict Anne Lee See Remarks | 16,736 | $18 | 11,709 (Direct) | View |
| 2019-11-01 Exercise | 2019-11-05 5:01 pm | N/A 2025-03-11 | Summit Materials Inc. | SUM | Benedict Anne Lee See Remarks | 21,756 | $18 | 11,709 (Direct) | View |
| 2019-11-01 Exercise | 2019-11-05 5:01 pm | N/A 2026-02-24 | Summit Materials Inc. | SUM | Benedict Anne Lee See Remarks | 4,412 | $17.07 | 11,709 (Direct) | View |
| 2019-11-01 Exercise | 2019-11-05 5:02 pm | N/A N/A | Summit Materials Inc. | SUM | Evans Mikel Shane See Remarks | 107,341 | $18 | 6,288 (Direct) | View |
| 2019-11-01 Exercise | 2019-11-05 5:02 pm | N/A N/A | Summit Materials Inc. | SUM | Evans Mikel Shane See Remarks | 132,343 | $18 | 6,288 (Direct) | View |
| 2019-11-01 Exercise | 2019-11-05 5:02 pm | N/A N/A | Summit Materials Inc. | SUM | Evans Mikel Shane See Remarks | 14,154 | $17.07 | 6,288 (Direct) | View |
| 2019-11-01 Conversion | 2019-11-05 5:02 pm | N/A N/A | Summit Materials Inc. | SUM | Evans Mikel Shane See Remarks | 78,525 | $0 | 6,288 (Direct) | View |
| 2019-11-01 Exercise | 2019-11-05 5:02 pm | N/A 2025-03-11 | Summit Materials Inc. | SUM | Evans Mikel Shane See Remarks | 107,341 | $18 | 6,288 (Direct) | View |
| 2019-11-01 Exercise | 2019-11-05 5:02 pm | N/A 2025-03-11 | Summit Materials Inc. | SUM | Evans Mikel Shane See Remarks | 132,343 | $18 | 6,288 (Direct) | View |
| 2019-11-01 Exercise | 2019-11-05 5:02 pm | N/A 2026-02-24 | Summit Materials Inc. | SUM | Evans Mikel Shane See Remarks | 14,154 | $17.07 | 6,288 (Direct) | View |
| 2019-11-01 Conversion | 2019-11-05 5:02 pm | N/A N/A | Summit Materials Inc. | SUM | Evans Mikel Shane See Remarks | 78,525 | $0 | 6,288 (Direct) | View |
| 2019-11-19 Exercise | 2019-11-21 7:26 pm | N/A N/A | Summit Materials Inc. | SUM | Harris Brian James CFO | 101,200 | $18 | 86,466 (Direct) | View |
| 2019-11-19 Exercise | 2019-11-21 7:26 pm | N/A N/A | Summit Materials Inc. | SUM | Harris Brian James CFO | 131,560 | $18 | 86,466 (Direct) | View |
| 2019-11-19 Exercise | 2019-11-21 7:26 pm | N/A N/A | Summit Materials Inc. | SUM | Harris Brian James CFO | 28,395 | $17.07 | 86,466 (Direct) | View |
| 2019-11-19 Exercise | 2019-11-21 7:26 pm | N/A 2025-03-11 | Summit Materials Inc. | SUM | Harris Brian James CFO | 101,200 | $18 | 86,466 (Direct) | View |
| 2019-11-19 Exercise | 2019-11-21 7:26 pm | N/A 2025-03-11 | Summit Materials Inc. | SUM | Harris Brian James CFO | 131,560 | $18 | 86,466 (Direct) | View |
| 2019-11-19 Exercise | 2019-11-21 7:26 pm | N/A 2026-02-24 | Summit Materials Inc. | SUM | Harris Brian James CFO | 28,395 | $17.07 | 86,466 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:37 pm | N/A N/A | Summit Materials Inc. | SUM | Brady Michael John See Remarks | 1,916 | $0 | 14,168 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:37 pm | N/A N/A | Summit Materials Inc. | SUM | Brady Michael John See Remarks | 3,328 | $0 | 14,168 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:37 pm | N/A N/A | Summit Materials Inc. | SUM | Brady Michael John See Remarks | 6,990 | $0 | 14,168 (Direct) | View |
| 2020-02-28 Option Award | 2020-03-03 9:37 pm | N/A N/A | Summit Materials Inc. | SUM | Brady Michael John See Remarks | 3,893 | $0 | 14,168 (Direct) | View |
| 2020-02-28 Tax Withholding | 2020-03-03 9:37 pm | N/A N/A | Summit Materials Inc. | SUM | Brady Michael John See Remarks | 5,488 | $19.54 | 14,168 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:37 pm | N/A N/A | Summit Materials Inc. | SUM | Brady Michael John See Remarks | 1,916 | $0 | 14,168 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:37 pm | N/A N/A | Summit Materials Inc. | SUM | Brady Michael John See Remarks | 3,328 | $0 | 14,168 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:37 pm | N/A N/A | Summit Materials Inc. | SUM | Brady Michael John See Remarks | 6,990 | $0 | 14,168 (Direct) | View |
| 2020-02-28 Option Award | 2020-03-03 9:37 pm | N/A N/A | Summit Materials Inc. | SUM | Brady Michael John See Remarks | 14,168 | $0 | 14,168 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:38 pm | N/A N/A | Summit Materials Inc. | SUM | GARDNER TED A Director | 8,143 | $0 | 5,342 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:38 pm | N/A N/A | Summit Materials Inc. | SUM | GARDNER TED A Director | 8,143 | $0 | 5,342 (Direct) | View |
| 2020-02-28 Option Award | 2020-03-03 9:38 pm | N/A N/A | Summit Materials Inc. | SUM | GARDNER TED A Director | 5,342 | $0 | 5,342 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:39 pm | N/A N/A | Summit Materials Inc. | SUM | WUNNING STEVEN H Director | 8,143 | $0 | 5,342 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:39 pm | N/A N/A | Summit Materials Inc. | SUM | WUNNING STEVEN H Director | 8,143 | $0 | 5,342 (Direct) | View |
| 2020-02-28 Option Award | 2020-03-03 9:39 pm | N/A N/A | Summit Materials Inc. | SUM | WUNNING STEVEN H Director | 5,342 | $0 | 5,342 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:39 pm | N/A N/A | Summit Materials Inc. | SUM | MURPHY JOHN RAYMOND Director | 8,143 | $0 | 5,342 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:39 pm | N/A N/A | Summit Materials Inc. | SUM | MURPHY JOHN RAYMOND Director | 8,143 | $0 | 5,342 (Direct) | View |
| 2020-02-28 Option Award | 2020-03-03 9:39 pm | N/A N/A | Summit Materials Inc. | SUM | MURPHY JOHN RAYMOND Director | 5,342 | $0 | 5,342 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:41 pm | N/A N/A | Summit Materials Inc. | SUM | Ellerbusch Susan A Director | 8,143 | $0 | 5,342 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:41 pm | N/A N/A | Summit Materials Inc. | SUM | Ellerbusch Susan A Director | 8,143 | $0 | 5,342 (Direct) | View |
| 2020-02-28 Option Award | 2020-03-03 9:41 pm | N/A N/A | Summit Materials Inc. | SUM | Ellerbusch Susan A Director | 5,342 | $0 | 5,342 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:41 pm | N/A N/A | Summit Materials Inc. | SUM | LANCE HOWARD L Director | 8,143 | $0 | 5,342 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:41 pm | N/A N/A | Summit Materials Inc. | SUM | LANCE HOWARD L Director | 8,143 | $0 | 5,342 (Direct) | View |
| 2020-02-28 Option Award | 2020-03-03 9:41 pm | N/A N/A | Summit Materials Inc. | SUM | LANCE HOWARD L Director | 5,342 | $0 | 5,342 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:42 pm | N/A N/A | Summit Materials Inc. | SUM | CANTIE JOSEPH S Director | 8,143 | $0 | 5,342 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:42 pm | N/A N/A | Summit Materials Inc. | SUM | CANTIE JOSEPH S Director | 8,143 | $0 | 5,342 (Direct) | View |
| 2020-02-28 Option Award | 2020-03-03 9:42 pm | N/A N/A | Summit Materials Inc. | SUM | CANTIE JOSEPH S Director | 5,342 | $0 | 5,342 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:42 pm | N/A N/A | Summit Materials Inc. | SUM | Wade Anne K. Director | 8,143 | $0 | 5,342 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:42 pm | N/A N/A | Summit Materials Inc. | SUM | Wade Anne K. Director | 8,143 | $0 | 5,342 (Direct) | View |
| 2020-02-28 Option Award | 2020-03-03 9:42 pm | N/A N/A | Summit Materials Inc. | SUM | Wade Anne K. Director | 5,342 | $0 | 5,342 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:43 pm | N/A N/A | Summit Materials Inc. | SUM | Cooney Anne M Director | 8,143 | $0 | 5,342 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:43 pm | N/A N/A | Summit Materials Inc. | SUM | Cooney Anne M Director | 8,143 | $0 | 5,342 (Direct) | View |
| 2020-02-28 Option Award | 2020-03-03 9:43 pm | N/A N/A | Summit Materials Inc. | SUM | Cooney Anne M Director | 5,342 | $0 | 5,342 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:43 pm | N/A N/A | Summit Materials Inc. | SUM | Hill Thomas W. CEO | 10,252 | $0 | 69,231 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:43 pm | N/A N/A | Summit Materials Inc. | SUM | Hill Thomas W. CEO | 17,252 | $0 | 69,231 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:43 pm | N/A N/A | Summit Materials Inc. | SUM | Hill Thomas W. CEO | 35,179 | $0 | 69,231 (Direct) | View |
| 2020-02-28 Option Award | 2020-03-03 9:43 pm | N/A N/A | Summit Materials Inc. | SUM | Hill Thomas W. CEO | 20,829 | $0 | 69,231 (Direct) | View |
| 2020-02-28 Tax Withholding | 2020-03-03 9:43 pm | N/A N/A | Summit Materials Inc. | SUM | Hill Thomas W. CEO | 20,314 | $19.54 | 69,231 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:43 pm | N/A N/A | Summit Materials Inc. | SUM | Hill Thomas W. CEO | 10,252 | $0 | 69,231 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:43 pm | N/A N/A | Summit Materials Inc. | SUM | Hill Thomas W. CEO | 17,252 | $0 | 69,231 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:43 pm | N/A N/A | Summit Materials Inc. | SUM | Hill Thomas W. CEO | 35,179 | $0 | 69,231 (Direct) | View |
| 2020-02-28 Option Award | 2020-03-03 9:43 pm | N/A N/A | Summit Materials Inc. | SUM | Hill Thomas W. CEO | 69,231 | $0 | 69,231 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:46 pm | N/A N/A | Summit Materials Inc. | SUM | Harris Brian James CFO | 3,843 | $0 | 19,905 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:46 pm | N/A N/A | Summit Materials Inc. | SUM | Harris Brian James CFO | 4,676 | $0 | 19,905 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:46 pm | N/A N/A | Summit Materials Inc. | SUM | Harris Brian James CFO | 9,820 | $0 | 19,905 (Direct) | View |
| 2020-02-28 Option Award | 2020-03-03 9:46 pm | N/A N/A | Summit Materials Inc. | SUM | Harris Brian James CFO | 7,808 | $0 | 19,905 (Direct) | View |
| 2020-02-28 Tax Withholding | 2020-03-03 9:46 pm | N/A N/A | Summit Materials Inc. | SUM | Harris Brian James CFO | 7,663 | $19.54 | 19,905 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:46 pm | N/A N/A | Summit Materials Inc. | SUM | Harris Brian James CFO | 3,843 | $0 | 19,905 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:46 pm | N/A N/A | Summit Materials Inc. | SUM | Harris Brian James CFO | 4,676 | $0 | 19,905 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:46 pm | N/A N/A | Summit Materials Inc. | SUM | Harris Brian James CFO | 9,820 | $0 | 19,905 (Direct) | View |
| 2020-02-28 Option Award | 2020-03-03 9:46 pm | N/A N/A | Summit Materials Inc. | SUM | Harris Brian James CFO | 19,905 | $0 | 19,905 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:47 pm | N/A N/A | Summit Materials Inc. | SUM | Benedict Anne Lee See Remarks | 1,792 | $0 | 12,019 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:47 pm | N/A N/A | Summit Materials Inc. | SUM | Benedict Anne Lee See Remarks | 2,752 | $0 | 12,019 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:47 pm | N/A N/A | Summit Materials Inc. | SUM | Benedict Anne Lee See Remarks | 5,781 | $0 | 12,019 (Direct) | View |
| 2020-02-28 Option Award | 2020-03-03 9:47 pm | N/A N/A | Summit Materials Inc. | SUM | Benedict Anne Lee See Remarks | 3,641 | $0 | 12,019 (Direct) | View |
| 2020-02-28 Tax Withholding | 2020-03-03 9:47 pm | N/A N/A | Summit Materials Inc. | SUM | Benedict Anne Lee See Remarks | 4,207 | $19.54 | 12,019 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:47 pm | N/A N/A | Summit Materials Inc. | SUM | Benedict Anne Lee See Remarks | 1,792 | $0 | 12,019 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:47 pm | N/A N/A | Summit Materials Inc. | SUM | Benedict Anne Lee See Remarks | 2,752 | $0 | 12,019 (Direct) | View |
| 2020-02-28 Exercise | 2020-03-03 9:47 pm | N/A N/A | Summit Materials Inc. | SUM | Benedict Anne Lee See Remarks | 5,781 | $0 | 12,019 (Direct) | View |
| 2020-02-28 Option Award | 2020-03-03 9:47 pm | N/A N/A | Summit Materials Inc. | SUM | Benedict Anne Lee See Remarks | 12,019 | $0 | 12,019 (Direct) | View |