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
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- 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 Sale |
2024-12-31 | 13G | Summit Materials, Inc. SUM |
PRICE T ROWE ASSOCIATES INC | 5,353,933 3.000% |
-3,855,566 (-41.87%) |
Filing History |
| 2025-02-10 9:47 pm Sale |
2025-02-10 | 13D | Summit Materials, Inc. SUM |
ARGOS SEM, LLC | 0 0.000% |
-54,720,000 (Position Closed) |
Filing History |
| 2024-11-25 09:19 am Unchanged |
2024-11-24 | 13D | Summit Materials, Inc. SUM |
ARGOS SEM, LLC | 54,720,000 31.200% |
0 (Unchanged) |
Filing History |
| 2024-11-14 1:22 pm Purchase |
2024-09-30 | 13G | Summit Materials, Inc. SUM |
PRICE T ROWE ASSOCIATES INC | 9,209,499 5.200% |
395,229 (+4.48%) |
Filing History |
| 2024-11-12 5:49 pm Unchanged |
2024-09-30 | 13G | Summit Materials, Inc. SUM |
The Vanguard Group | 12,316,399 7.010% |
0 (Unchanged) |
Filing History |
| 2024-11-12 11:54 am Purchase |
2024-11-12 | 13G | Summit Materials, Inc. SUM |
MASSACHUSETTS FINANCIAL SERVICES CO | 7,639,798 4.400% |
989,339 (+14.88%) |
Filing History |
| 2024-11-08 5:31 pm Unchanged |
2024-09-30 | 13G | Summit Materials, Inc. SUM |
BLACKROCK INC BLK |
10,049,019 5.700% |
0 (Unchanged) |
Filing History |
| 2024-11-04 1:50 pm Purchase |
2024-09-30 | 13G | Summit Materials, Inc. SUM |
The Vanguard Group | 12,316,399 7.010% |
338,032 (+2.82%) |
Filing History |
| 2024-10-24 2:02 pm Sale |
2024-09-30 | 13G | Summit Materials, Inc. SUM |
BLACKROCK INC BLK |
10,049,019 5.700% |
-1,316,132 (-11.58%) |
Filing History |
| 2024-02-14 10:03 am Sale |
2023-12-31 | 13G | Summit Materials, Inc. SUM |
PRICE T ROWE ASSOCIATES INC | 8,814,270 7.400% |
-214,407 (-2.37%) |
Filing History |
| 2024-02-13 5:15 pm Purchase |
2023-12-29 | 13G | Summit Materials, Inc. SUM |
The Vanguard Group | 11,978,367 10.020% |
106,233 (+0.89%) |
Filing History |
| 2024-02-09 6:05 pm Sale |
2024-02-07 | 13G | Summit Materials, Inc. SUM |
Capital International Investors | 492,061 0.400% |
-6,930,085 (-93.37%) |
Filing History |
| 2024-02-09 11:49 am Purchase |
2024-02-09 | 13G | Summit Materials, Inc. SUM |
MASSACHUSETTS FINANCIAL SERVICES CO | 6,650,459 5.600% |
6,650,459 (New Position) |
Filing History |
| 2024-02-09 09:59 am Sale |
2024-02-14 | 13G | Summit Materials, Inc. SUM |
DIMENSIONAL FUND ADVISORS INC | 5,458,887 4.600% |
-540,072 (-9.00%) |
Filing History |
| 2024-01-24 5:23 pm Purchase |
2023-12-31 | 13G | Summit Materials, Inc. SUM |
BLACKROCK INC BLK |
11,365,151 9.500% |
2,192,134 (+23.90%) |
Filing History |
| 2024-01-22 5:19 pm Purchase |
2024-01-12 | 13D | Summit Materials, Inc. SUM |
ARGOS SEM, LLC | 54,720,000 31.400% |
54,720,000 (New Position) |
Filing History |
| 2023-04-10 1:39 pm Purchase |
2023-03-31 | 13G | Summit Materials, Inc. SUM |
The Vanguard Group | 11,872,134 10.030% |
169,117 (+1.45%) |
Filing History |
| 2023-02-14 12:38 pm Sale |
2022-12-31 | 13G | Summit Materials, Inc. SUM |
PRICE T ROWE ASSOCIATES INC | 9,028,677 7.600% |
-9,343 (-0.10%) |
Filing History |
| 2023-02-13 3:54 pm Purchase |
2023-02-14 | 13G | Summit Materials, Inc. SUM |
Capital International Investors | 7,422,146 6.300% |
929,019 (+14.31%) |
Filing History |
| 2023-02-10 2:42 pm Purchase |
2023-02-14 | 13G | Summit Materials, Inc. SUM |
DIMENSIONAL FUND ADVISORS INC | 5,998,959 5.100% |
302,808 (+5.32%) |
Filing History |