Activist 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‚Äôs equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares are not 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
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportFiling
2023-04-10
1:39 pm
Purchase
13GSummit Materials, Inc.
SUM
VANGUARD GROUP INC11,872,134
10.03%
169,117increase
(+1.45%)
View
2023-02-14
12:38 pm
Purchase
13GSummit Materials, Inc.
SUM
PRICE T ROWE ASSOCIATES INC9,028,677
7.6%
141,735increase
(+1.59%)
View
2023-02-13
3:54 pm
Purchase
13GSummit Materials, Inc.
SUM
Capital International Investors7,422,146
6.3%
1,037,557increase
(+16.25%)
View
2023-02-10
2:42 pm
Purchase
13GSummit Materials, Inc.
SUM
DIMENSIONAL FUND ADVISORS LP5,998,959
5.1%
398,024increase
(+7.11%)
View
2023-02-09
12:31 pm
Sale
13GSummit Materials, Inc.
SUM
FMR LLC4,621,051
3.904%
-39,126,439decrease
(-89.44%)
View
2023-02-09
11:32 am
Sale
13GSummit Materials, Inc.
SUM
VANGUARD GROUP INC11,703,017
9.89%
-14,859,240decrease
(-55.94%)
View
2023-02-03
4:27 pm
Sale
13GSummit Materials, Inc.
SUM
BlackRock Inc.
BLK
9,173,017
7.9%
-15,902,746decrease
(-63.42%)
View
2022-02-14
2:34 pm
Purchase
13GSummit Materials, Inc.
SUM
PRICE T ROWE ASSOCIATES INC8,886,942
7.4%
856,830increase
(+10.67%)
View
2022-02-11
11:19 am
Purchase
13GSummit Materials, Inc.
SUM
Capital International Investors6,384,589
5.4%
6,384,589increase
(New Position)
View
2022-02-10
08:37 am
Sale
13GSummit Materials, Inc.
SUM
VANGUARD GROUP INC11,145,582
9.4%
-15,074,058decrease
(-57.49%)
View
2022-02-09
10:01 am
Sale
13GSummit Materials, Inc.
SUM
FMR LLC7,951,538
6.706%
-23,808,060decrease
(-74.96%)
View
2022-02-08
3:52 pm
Sale
13GSummit Materials, Inc.
SUM
DIMENSIONAL FUND ADVISORS LP5,600,935
4.7%
-437,198decrease
(-7.24%)
View
2022-02-03
4:41 pm
Sale
13GSummit Materials, Inc.
SUM
BlackRock Inc.
BLK
8,974,433
7.6%
-13,950,772decrease
(-60.85%)
View
2021-02-16
12:23 pm
Purchase
13GSummit Materials, Inc.
SUM
PRICE T ROWE ASSOCIATES INC8,030,112
7%
8,030,112increase
(New Position)
View
2021-02-12
3:41 pm
Purchase
13GSummit Materials, Inc.
SUM
DIMENSIONAL FUND ADVISORS LP6,038,133
5.3%
6,038,133increase
(New Position)
View
2021-02-11
3:02 pm
Sale
13GSummit Materials, Inc.
SUM
JANUS HENDERSON GROUP PLC
JHG
5,350,782
4.7%
-2,728,455decrease
(-33.77%)
View
2021-02-10
11:57 am
Sale
13GSummit Materials, Inc.
SUM
VANGUARD GROUP INC10,114,569
8.86%
-12,358,228decrease
(-54.99%)
View
2021-02-08
10:33 am
Sale
13GSummit Materials, Inc.
SUM
FMR LLC9,054,697
7.934%
-3,647,969decrease
(-28.72%)
View
2021-02-01
08:23 am
Purchase
13GSummit Materials, Inc.
SUM
BlackRock Inc.
BLK
9,356,687
8.2%
567,567increase
(+6.46%)
View
2020-06-10
10:13 am
Purchase
13GSummit Materials, Inc.
SUM
FMR LLC12,702,666
11.131%
5,489,951increase
(+76.11%)
View
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