List of insiders holdings for Summit Materials, Inc.:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. 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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Insider Holder NameReport
Date Time
Shares Owned
Directly
Indirectly
Total
Shares Owned
Filing
BARCLAYS PLC
10% Owner
2016-07-25 21:00:560
13,958,332
13,958,332Form 4
LONGLEAF PARTNERS FUNDS TRUST
10% Owner
2019-06-17 14:42:0412,699,444
0
12,699,444Form 3
SOUTHEASTERN ASSET MANAGEMENT INC
10% Owner
2019-12-10 16:00:145,117,610
0
5,117,610Form 13G
Hill Thomas W.
President & CEO
2020-07-22 18:00:32468,372
226,969
695,341Form 4
Harris Brian James
EVP & Chief Financial Officer
2023-03-01 17:40:00235,581
0
235,581Form 4
Noonan Anne P
President & CEO
2023-03-01 17:39:04218,086
0
218,086Form 4
Kennedy Michael N.
Sr. V.P. Finance
2016-12-16 16:56:55201,449
0
201,449Form 4
Murphy Damian John
EVP & East Division President
2017-12-13 20:10:04156,001
1848
157,849Form 4
Rauh Douglas Charles
See Remarks
2017-11-03 18:02:14107,917
0
107,917Form 4
Benedict Anne Lee
See Remarks
2021-03-22 21:20:0073,585
0
73,585Form 4
Brady Michael John
See Remarks
2021-03-02 19:25:5248,307
0
48,307Form 4
Beck Thomas A.
See Remarks
2019-03-04 20:00:4141,837
0
41,837Form 4
CANTIE JOSEPH S
Director
2023-03-01 17:35:4635,085
5100
40,185Form 4
WUNNING STEVEN H
Director
2023-03-01 17:30:4134,455
0
34,455Form 4
Gaskill Christopher Burke
See Remarks
2023-03-01 17:41:0434,169
0
34,169Form 4
Watson Karl
EVP & Chief Operating Officer
2019-03-04 20:03:2628,602
0
28,602Form 4
GARDNER TED A
Director
2020-03-03 21:38:1728,080
0
28,080Form 4
Anderson Karli S.
See Remarks
2023-03-01 17:42:0925,594
0
25,594Form 4
Wade Anne K.
Director
2023-03-01 17:36:4822,862
0
22,862Form 4
MURPHY JOHN RAYMOND
Director
2023-03-01 17:34:2117,225
0
17,225Form 4
MacMillan Deon
See Remarks
2022-03-11 16:20:5312,923
0
12,923Form 4
LANCE HOWARD L
Director
2023-03-01 17:32:2512,325
0
12,325Form 4
Anderson Craig Scott
EVP & Chief Financial Officer
2023-03-02 16:23:5311,213
0
11,213Form 4
Ghelani Kekin
Chief Strategy&Growth Officer
2023-02-24 18:08:2710,193
0
10,193Form 4
SIMPKINS NEIL P
Director
2018-03-01 21:02:108092
0
8092Form 4
Oates-Forney Tamla
Director
2023-03-01 17:38:007937
0
7937Form 4
Evans Mikel Shane
See Remarks
2019-11-05 17:02:056288
0
6288Form 4
Gill Kevin A
See Remarks
2017-02-28 20:22:266076
0
6076Form 4
Ellerbusch Susan A
Director
2023-02-24 18:17:044038
0
4038Form 4
Cooney Anne M
Director
2023-02-24 18:16:004038
0
4038Form 4
Blackstone Capital Partners (Delaware) V-NQ L.P.
Blackstone Capital Partners (Delaware) NQ V-AC L.P.
Summit BCP Intermediate Holdings L.P.
Summit BCP Intermediate Holdings GP Ltd.
Blackstone Family Investment Partnership (Delaware) V-NQ L.P.
Blackstone Participation Partnership (Delaware) V-NQ L.P.
Blackstone Management Associates (Cayman) V-NQ L.P.
BCP V-NQ GP L.L.C.
Blackstone LR Associates (Cayman) V-NQ Ltd.
10% Owner
2016-11-18 18:00:540
0
0Form 4
Blackstone Holdings II L.P.
Blackstone Holdings I
Blackstone Group L.P.
Blackstone Group Management L.L.C.
SCHWARZMAN STEPHEN A
10% Owner
2017-02-14 14:45:320
0
0Form 13G
Kahr Julia
Director
2015-03-12 20:24:000
0
0Form 3