Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
"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>>
- 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 |
2021-11-15 Sale | 2021-11-16 5:30 pm | Summit Materials Inc. | SUM | Wade Anne K. Director | 4,098 | $41.11 | $168,469 | 18,640 (Direct) | View |
2021-11-08 Sale | 2021-11-09 9:43 pm | Summit Materials Inc. | SUM | MURPHY JOHN RAYMOND Director | 5,137 | $37.99 | $195,155 | 8,842 (Direct) | View |
2021-08-10 Sale | 2021-08-12 4:31 pm | Summit Materials Inc. | SUM | Gaskill Christopher Burke See Remarks | 5,000 | $35.05 | $175,250 | 7,774 (Direct) | View |
2021-06-14 Sale | 2021-06-16 8:38 pm | Summit Materials Inc. | SUM | LANCE HOWARD L Director | 255,000 | $34.38 | $8,768,175 | 295,488 (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 |
2022-03-10 Tax Withholding | 2022-03-11 4:20 pm | N/A N/A | Summit Materials Inc. | SUM | MacMillan Deon See Remarks | 2,003 | $29.72 | 12,923 (Direct) | View |
2022-03-10 Exercise | 2022-03-11 4:20 pm | N/A N/A | Summit Materials Inc. | SUM | MacMillan Deon See Remarks | 6,542 | $0 | 12,923 (Direct) | View |
2022-03-01 Option Award | 2022-03-03 4:25 pm | N/A N/A | Summit Materials Inc. | SUM | LANCE HOWARD L Director | 3,815 | $0 | 3,815 (Direct) | View |
2022-03-01 Option Award | 2022-03-03 4:25 pm | N/A N/A | Summit Materials Inc. | SUM | WUNNING STEVEN H Director | 3,815 | $0 | 3,815 (Direct) | View |
2022-03-01 Option Award | 2022-03-03 4:24 pm | N/A N/A | Summit Materials Inc. | SUM | Anderson Karli S. See Remarks | 7,227 | $0 | 7,227 (Direct) | View |
2022-03-01 Option Award | 2022-03-03 4:23 pm | N/A N/A | Summit Materials Inc. | SUM | CANTIE JOSEPH S Director | 3,815 | $0 | 3,815 (Direct) | View |
2022-03-01 Option Award | 2022-03-03 4:23 pm | N/A N/A | Summit Materials Inc. | SUM | Cooney Anne M Director | 3,815 | $0 | 3,815 (Direct) | View |
2022-03-01 Option Award | 2022-03-03 4:22 pm | N/A N/A | Summit Materials Inc. | SUM | Ellerbusch Susan A Director | 3,815 | $0 | 3,815 (Direct) | View |
2022-03-01 Option Award | 2022-03-03 4:21 pm | N/A N/A | Summit Materials Inc. | SUM | Oates-Forney Tamla Director | 3,815 | $0 | 3,815 (Direct) | View |
2022-03-01 Option Award | 2022-03-03 4:21 pm | N/A N/A | Summit Materials Inc. | SUM | MacMillan Deon See Remarks | 8,420 | $0 | 8,420 (Direct) | View |
2022-03-01 Option Award | 2022-03-03 4:20 pm | N/A N/A | Summit Materials Inc. | SUM | Harris Brian James CFO | 14,353 | $0 | 14,353 (Direct) | View |
2022-03-01 Option Award | 2022-03-03 4:19 pm | N/A N/A | Summit Materials Inc. | SUM | Noonan Anne P CEO | 49,897 | $0 | 49,897 (Direct) | View |
2022-03-01 Option Award | 2022-03-03 4:18 pm | N/A N/A | Summit Materials Inc. | SUM | Wade Anne K. Director | 3,815 | $0 | 3,815 (Direct) | View |
2022-03-01 Option Award | 2022-03-03 4:18 pm | N/A N/A | Summit Materials Inc. | SUM | MURPHY JOHN RAYMOND Director | 3,815 | $0 | 3,815 (Direct) | View |
2022-03-01 Option Award | 2022-03-03 4:17 pm | N/A N/A | Summit Materials Inc. | SUM | Gaskill Christopher Burke See Remarks | 8,089 | $0 | 8,089 (Direct) | View |
2022-02-28 Tax Withholding | 2022-03-01 6:00 pm | N/A N/A | Summit Materials Inc. | SUM | Gaskill Christopher Burke See Remarks | 2,427 | $31.22 | 32,816 (Direct) | View |
2022-02-28 Exercise | 2022-03-01 6:00 pm | N/A N/A | Summit Materials Inc. | SUM | Gaskill Christopher Burke See Remarks | 7,990 | $0 | 32,816 (Direct) | View |
2022-02-28 Tax Withholding | 2022-03-01 5:58 pm | N/A N/A | Summit Materials Inc. | SUM | Anderson Karli S. See Remarks | 1,452 | $31.22 | 16,972 (Direct) | View |
2022-02-28 Exercise | 2022-03-01 5:58 pm | N/A N/A | Summit Materials Inc. | SUM | Anderson Karli S. See Remarks | 4,570 | $0 | 16,972 (Direct) | View |
2022-02-28 Tax Withholding | 2022-03-01 5:53 pm | N/A N/A | Summit Materials Inc. | SUM | Harris Brian James CFO | 27,122 | $31.22 | 227,943 (Direct) | View |
2022-02-28 Option Award | 2022-03-01 5:53 pm | N/A N/A | Summit Materials Inc. | SUM | Harris Brian James CFO | 58,920 | $0 | 227,943 (Direct) | View |
2022-02-28 Exercise | 2022-03-01 5:53 pm | N/A N/A | Summit Materials Inc. | SUM | Harris Brian James CFO | 22,051 | $0 | 227,943 (Direct) | View |
2022-02-28 Tax Withholding | 2022-03-01 5:52 pm | N/A N/A | Summit Materials Inc. | SUM | Noonan Anne P CEO | 4,885 | $31.22 | 127,089 (Direct) | View |
2022-02-28 Exercise | 2022-03-01 5:52 pm | N/A N/A | Summit Materials Inc. | SUM | Noonan Anne P CEO | 16,946 | $0 | 127,089 (Direct) | View |
2022-02-28 Exercise | 2022-03-01 5:51 pm | N/A N/A | Summit Materials Inc. | SUM | Ellerbusch Susan A Director | 4,374 | $0 | 22,996 (Direct) | View |
2022-02-28 Exercise | 2022-03-01 5:49 pm | N/A N/A | Summit Materials Inc. | SUM | WUNNING STEVEN H Director | 4,374 | $0 | 30,640 (Direct) | View |
2022-02-28 Exercise | 2022-03-01 5:48 pm | N/A N/A | Summit Materials Inc. | SUM | CANTIE JOSEPH S Director | 4,374 | $0 | 35,763 (Direct) | View |
2022-02-28 Exercise | 2022-03-01 5:47 pm | N/A N/A | Summit Materials Inc. | SUM | MURPHY JOHN RAYMOND Director | 4,374 | $0 | 13,216 (Direct) | View |
2022-02-28 Exercise | 2022-03-01 5:45 pm | N/A N/A | Summit Materials Inc. | SUM | LANCE HOWARD L Director | 4,374 | $0 | 8,368 (Direct) | View |
2021-12-28 Exercise | 2021-12-29 4:53 pm | N/A N/A | Summit Materials Inc. | SUM | Gaskill Christopher Burke See Remarks | 5,000 | $0 | 18,438 (Direct) | View |
2021-12-28 Tax Withholding | 2021-12-29 4:53 pm | N/A N/A | Summit Materials Inc. | SUM | Gaskill Christopher Burke See Remarks | 1,446 | $40.27 | 18,438 (Direct) | View |
2021-09-03 Exercise | 2021-09-08 4:19 pm | N/A N/A | Summit Materials Inc. | SUM | Anderson Karli S. See Remarks | 1,000 | $0 | 7,915 (Direct) | View |
2021-09-03 Tax Withholding | 2021-09-08 4:19 pm | N/A N/A | Summit Materials Inc. | SUM | Anderson Karli S. See Remarks | 289 | $32.92 | 7,915 (Direct) | View |
2021-09-03 Exercise | 2021-09-08 4:19 pm | N/A N/A | Summit Materials Inc. | SUM | Gaskill Christopher Burke See Remarks | 10,000 | $0 | 14,884 (Direct) | View |
2021-09-03 Tax Withholding | 2021-09-08 4:19 pm | N/A N/A | Summit Materials Inc. | SUM | Gaskill Christopher Burke See Remarks | 2,890 | $32.92 | 14,884 (Direct) | View |
2021-07-30 Tax Withholding | 2021-08-03 5:05 pm | N/A N/A | Summit Materials Inc. | SUM | Harris Brian James CFO | 3,246 | $33.6 | 143,322 (Direct) | View |
2021-07-30 Exercise | 2021-08-03 5:05 pm | N/A N/A | Summit Materials Inc. | SUM | Harris Brian James CFO | 13,328 | $0 | 143,322 (Direct) | View |
2021-07-30 Tax Withholding | 2021-08-03 5:05 pm | N/A N/A | Summit Materials Inc. | SUM | Gaskill Christopher Burke See Remarks | 2,019 | $33.6 | 19,759 (Direct) | View |
2021-07-30 Exercise | 2021-08-03 5:05 pm | N/A N/A | Summit Materials Inc. | SUM | Gaskill Christopher Burke See Remarks | 6,986 | $0 | 19,759 (Direct) | View |
2021-07-30 Tax Withholding | 2021-08-03 5:00 pm | N/A N/A | Summit Materials Inc. | SUM | Anderson Karli S. See Remarks | 1,651 | $33.6 | 11,914 (Direct) | View |
2021-07-30 Exercise | 2021-08-03 5:00 pm | N/A N/A | Summit Materials Inc. | SUM | Anderson Karli S. See Remarks | 5,711 | $0 | 11,914 (Direct) | View |
2021-07-20 Exercise | 2021-07-22 4:26 pm | N/A N/A | Summit Materials Inc. | SUM | Noonan Anne P CEO | 21,289 | $0 | 123,713 (Direct) | View |
2021-07-20 Tax Withholding | 2021-07-22 4:26 pm | N/A N/A | Summit Materials Inc. | SUM | Noonan Anne P CEO | 6,153 | $32.14 | 123,713 (Direct) | View |
2021-06-14 Exercise | 2021-06-16 8:38 pm | N/A N/A | Summit Materials Inc. | SUM | LANCE HOWARD L Director | 165,000 | $18 | 295,488 (Direct) | View |
2021-06-14 Exercise | 2021-06-16 8:38 pm | N/A 2025-03-11 | Summit Materials Inc. | SUM | LANCE HOWARD L Director | 165,000 | $0 | 295,488 (Direct) | View |
2021-06-14 Conversion | 2021-06-16 8:38 pm | N/A N/A | Summit Materials Inc. | SUM | LANCE HOWARD L Director | 90,000 | $0 | 295,488 (Direct) | View |
2021-05-19 Option Award | 2021-05-21 9:18 pm | N/A N/A | Summit Materials Inc. | SUM | Oates-Forney Tamla Director | 4,054 | $0 | 4,054 (Direct) | View |
2021-03-30 Option Award | 2021-04-01 9:31 pm | N/A N/A | Summit Materials Inc. | SUM | Wade Anne K. Director | 4,374 | $0 | 4,374 (Direct) | View |
2021-03-30 Option Award | 2021-04-01 9:30 pm | N/A N/A | Summit Materials Inc. | SUM | MURPHY JOHN RAYMOND Director | 4,374 | $0 | 4,374 (Direct) | View |
2021-03-30 Option Award | 2021-04-01 9:29 pm | N/A N/A | Summit Materials Inc. | SUM | Ellerbusch Susan A Director | 4,374 | $0 | 4,374 (Direct) | View |
2021-03-30 Option Award | 2021-04-01 9:27 pm | N/A N/A | Summit Materials Inc. | SUM | Anderson Karli S. See Remarks | 7,107 | $0 | 7,107 (Direct) | View |