FMR LLC 13D and 13G filings for Summit Materials, Inc.:
- 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.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2023-02-09 12:31 pm Sale | 2023-02-09 | 13G | Summit Materials, Inc. SUM | FMR LLC | 4,621,051 3.904% | -3,465,663 (-42.86%) | Filing |
| 2022-02-09 10:01 am Sale | 2022-02-08 | 13G | Summit Materials, Inc. SUM | FMR LLC | 8,086,714 6.706% | -1,121,913 (-12.18%) | Filing |
| 2021-02-08 10:33 am Sale | 2021-02-05 | 13G | Summit Materials, Inc. SUM | FMR LLC | 9,208,627 7.934% | -3,709,984 (-28.72%) | Filing |