Real time Form 13D and 13G transaction reports:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
- Shares have beem adjusted for stock split.
"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>>
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2025-02-14 09:44 am Purchase | 2024-12-31 | 13G | Summit Materials, Inc. SUM | PRICE T ROWE ASSOCIATES INC | 5,353,933 3.000% | 5,353,933 (New Position) | Filing History |
| 2025-02-10 9:47 pm Unchanged | 2025-02-10 | 13D | Summit Materials, Inc. SUM | ARGOS SEM, LLC | 0 0.000% | 0 (Unchanged) | Filing History |
| 2024-11-25 09:19 am Unchanged | 2024-11-25 | 13D | Summit Materials, Inc. SUM | ARGOS SEM, LLC | 0 0.000% | 0 (Unchanged) | Filing |
| 2024-11-14 1:22 pm Unchanged | 2024-11-14 | 13G | Summit Materials, Inc. SUM | PRICE T ROWE ASSOCIATES INC | 0 0.000% | 0 (Unchanged) | Filing |
| 2024-11-12 5:49 pm Unchanged | 2024-11-12 | 13G | Summit Materials, Inc. SUM | The Vanguard Group | 0 0.000% | 0 (Unchanged) | Filing |
| 2024-11-12 11:54 am Unchanged | 2024-11-12 | 13G | Summit Materials, Inc. SUM | MASSACHUSETTS FINANCIAL SERVICES CO | 0 0.000% | 0 (Unchanged) | Filing |
| 2024-11-08 5:31 pm Unchanged | 2024-11-08 | 13G | Summit Materials, Inc. SUM | BLACKROCK INC BLK | 0 0.000% | 0 (Unchanged) | Filing |
| 2024-11-04 1:50 pm Unchanged | 2024-11-04 | 13G | Summit Materials, Inc. SUM | The Vanguard Group | 0 0.000% | 0 (Unchanged) | Filing |
| 2024-10-24 2:02 pm Unchanged | 2024-10-24 | 13G | Summit Materials, Inc. SUM | BLACKROCK INC BLK | 0 0.000% | 0 (Unchanged) | Filing |
| 2024-02-14 10:03 am Unchanged | 2024-02-14 | 13G | Summit Materials, Inc. SUM | PRICE T ROWE ASSOCIATES INC | 0 0.000% | 0 (Unchanged) | Filing |
| 2024-02-13 5:15 pm Unchanged | 2024-02-13 | 13G | Summit Materials, Inc. SUM | The Vanguard Group | 0 0.000% | 0 (Unchanged) | Filing |
| 2024-02-09 6:05 pm Unchanged | 2024-02-09 | 13G | Summit Materials, Inc. SUM | Capital International Investors | 0 0.000% | 0 (Unchanged) | Filing |
| 2024-02-09 11:49 am Unchanged | 2024-02-09 | 13G | Summit Materials, Inc. SUM | MASSACHUSETTS FINANCIAL SERVICES CO | 0 0.000% | 0 (Unchanged) | Filing |
| 2024-02-09 09:59 am Unchanged | 2024-02-09 | 13G | Summit Materials, Inc. SUM | DIMENSIONAL FUND ADVISORS INC | 0 0.000% | 0 (Unchanged) | Filing |
| 2024-01-24 5:23 pm Unchanged | 2024-01-24 | 13G | Summit Materials, Inc. SUM | BLACKROCK INC BLK | 0 0.000% | 0 (Unchanged) | Filing |
| 2024-01-22 5:19 pm Unchanged | 2024-01-22 | 13D | Summit Materials, Inc. SUM | ARGOS SEM, LLC | 0 0.000% | 0 (Unchanged) | Filing |
| 2023-04-10 1:39 pm Unchanged | 2023-04-10 | 13G | Summit Materials, Inc. SUM | The Vanguard Group | 0 0.000% | 0 (Unchanged) | Filing |
| 2023-02-14 12:38 pm Unchanged | 2023-02-14 | 13G | Summit Materials, Inc. SUM | PRICE T ROWE ASSOCIATES INC | 0 0.000% | 0 (Unchanged) | Filing |
| 2023-02-13 3:54 pm Unchanged | 2023-02-13 | 13G | Summit Materials, Inc. SUM | Capital International Investors | 0 0.000% | 0 (Unchanged) | Filing |
| 2023-02-10 2:42 pm Unchanged | 2023-02-10 | 13G | Summit Materials, Inc. SUM | DIMENSIONAL FUND ADVISORS INC | 0 0.000% | 0 (Unchanged) | Filing |