13D/13G Filings - Summit Materials Inc. (SUM)

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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Time period
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Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2024-11-25
09:19 am
Unchanged
2024-11-2413DSummit Materials, Inc.
SUM
Argos SEM LLC54,720,000
31.200%
0
(Unchanged)
Filing
History
2024-11-14
1:22 pm
Purchase
2024-09-3013GSummit Materials, Inc.
SUM
T. Rowe Price Associates, Inc.9,209,499
5.200%
395,229increase
(+4.48%)
Filing
History
2024-11-12
5:49 pm
Unchanged
2024-09-3013GSummit Materials, Inc.
SUM
The Vanguard Group12,316,399
7.010%
0
(Unchanged)
Filing
History
2024-11-12
11:54 am
Purchase
2024-11-1213GSummit Materials, Inc.
SUM
Massachusetts Financial Services Company7,639,798
4.400%
989,339increase
(+14.88%)
Filing
History
2024-11-08
5:31 pm
Unchanged
2024-09-3013GSummit Materials, Inc.
SUM
BlackRock Inc.
BLK
10,049,019
5.700%
0
(Unchanged)
Filing
History
2024-11-04
1:50 pm
Purchase
2024-09-3013GSummit Materials, Inc.
SUM
The Vanguard Group12,316,399
7.010%
338,032increase
(+2.82%)
Filing
History
2024-10-24
2:02 pm
Sale
2024-09-3013GSummit Materials, Inc.
SUM
BlackRock Inc.
BLK
10,049,019
5.700%
-1,316,132decrease
(-11.58%)
Filing
History
2024-02-14
10:03 am
Sale
2023-12-3113GSummit Materials, Inc.
SUM
T. Rowe Price Associates, Inc.8,814,270
7.400%
-214,407decrease
(-2.37%)
Filing
History
2024-02-13
5:15 pm
Purchase
2023-12-2913GSummit Materials, Inc.
SUM
The Vanguard Group11,978,367
10.020%
106,233increase
(+0.89%)
Filing
History
2024-02-09
6:05 pm
Sale
2024-02-0713GSummit Materials, Inc.
SUM
Capital International Investors492,061
0.400%
-6,930,085decrease
(-93.37%)
Filing
History
2024-02-09
11:49 am
Purchase
2024-02-0913GSummit Materials, Inc.
SUM
Massachusetts Financial Services Company6,650,459
5.600%
6,650,459increase
(New Position)
Filing
History
2024-02-09
09:59 am
Sale
2024-02-1413GSummit Materials, Inc.
SUM
DIMENSIONAL FUND ADVISORS LP5,458,887
4.600%
-540,072decrease
(-9.00%)
Filing
History
2024-01-24
5:23 pm
Purchase
2023-12-3113GSummit Materials, Inc.
SUM
BlackRock Inc.
BLK
11,365,151
9.500%
2,192,134increase
(+23.90%)
Filing
History
2024-01-22
5:19 pm
Purchase
2024-01-1213DSummit Materials, Inc.
SUM
Argos SEM LLC54,720,000
31.400%
54,720,000increase
(New Position)
Filing
History
2023-04-10
1:39 pm
Purchase
2023-03-3113GSummit Materials, Inc.
SUM
The Vanguard Group11,872,134
10.030%
169,117increase
(+1.45%)
Filing
History
2023-02-14
12:38 pm
Sale
2022-12-3113GSummit Materials, Inc.
SUM
T. Rowe Price Associates, Inc.9,028,677
7.600%
-9,343decrease
(-0.10%)
Filing
History
2023-02-13
3:54 pm
Purchase
2023-02-1413GSummit Materials, Inc.
SUM
Capital International Investors7,422,146
6.300%
929,019increase
(+14.31%)
Filing
History
2023-02-10
2:42 pm
Purchase
2023-02-1413GSummit Materials, Inc.
SUM
DIMENSIONAL FUND ADVISORS LP5,998,959
5.100%
302,808increase
(+5.32%)
Filing
History
2023-02-09
12:31 pm
Sale
2023-02-0913GSummit Materials, Inc.
SUM
FMR LLC4,621,051
3.904%
-3,465,663decrease
(-42.86%)
Filing
History
2023-02-09
11:32 am
Purchase
2022-12-3013GSummit Materials, Inc.
SUM
The Vanguard Group11,703,017
9.890%
367,960increase
(+3.25%)
Filing
History
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