DIMENSIONAL FUND ADVISORS LP 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 |
| 2024-02-09 09:59 am Sale | 2024-02-14 | 13G | Summit Materials, Inc. SUM | DIMENSIONAL FUND ADVISORS LP | 5,458,887 4.600% | -540,072 (-9.00%) | Filing |
| 2023-02-10 2:42 pm Purchase | 2023-02-14 | 13G | Summit Materials, Inc. SUM | DIMENSIONAL FUND ADVISORS LP | 5,998,959 5.100% | 302,808 (+5.32%) | Filing |
| 2022-02-08 3:52 pm Sale | 2022-02-14 | 13G | Summit Materials, Inc. SUM | DIMENSIONAL FUND ADVISORS LP | 5,696,151 4.700% | -444,630 (-7.24%) | Filing |
| 2021-02-12 3:41 pm Purchase | 2021-02-16 | 13G | Summit Materials, Inc. SUM | DIMENSIONAL FUND ADVISORS LP | 6,140,781 5.300% | 6,140,781 (New Position) | Filing |