Insider Holders & Insider Ownership - Summit Materials Inc. (SUM)

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
Grupo Argos S.A.
Cementos Argos S.A.
Argos SEM LLC
Valle Cement Investments Inc.
Director
10% Owner
2024-01-26 16:54:460
54,720,001
54,720,001Form 3/A
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
Noonan Anne P
President & CEO
2024-03-08 20:21:29330,873
0
330,873Form 4
Harris Brian James
EVP & Chief Financial Officer
2023-03-01 17:40:00235,581
0
235,581Form 4
Kennedy Michael N.
Sr. V.P. Finance
2016-12-16 16:56:55201,449
0
201,449Form 4
Kilgore Jason
See Remarks
2024-05-14 16:47:4160,630
108,642
169,272Form 4
Murphy Damian John
EVP & East Division President
2017-12-13 20:10:04156,001
1,848
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
Gaskill Christopher Burke
See Remarks
2024-03-08 20:21:0253,027
0
53,027Form 4
Brady Michael John
See Remarks
2021-03-02 19:25:5248,307
0
48,307Form 4
Anderson Karli S.
See Remarks
2024-03-08 20:23:1243,322
0
43,322Form 4
Beck Thomas A.
See Remarks
2019-03-04 20:00:4141,837
0
41,837Form 4
Anderson Craig Scott
EVP & Chief Financial Officer
2024-03-08 20:24:2238,058
0
38,058Form 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
MURPHY JOHN RAYMOND
Director
2023-10-02 20:04:1121,499
0
21,499Form 4
Loomes David
See Remarks
2024-03-08 20:24:1013,974
0
13,974Form 4
Ghelani Kekin
Chief Strategy&Growth Officer
2024-03-08 20:22:2013,281
0
13,281Form 4
MacMillan Deon
See Remarks
2022-03-11 16:20:5312,923
0
12,923Form 4
DePriest Charles
See remarks
2024-03-08 20:22:4611,083
0
11,083Form 4
Moore Marshall D
See Remarks
2024-03-08 20:22:358,191
0
8,191Form 4
SIMPKINS NEIL P
Director
2018-03-01 21:02:108,092
0
8,092Form 4
Evans Mikel Shane
See Remarks
2019-11-05 17:02:056,288
0
6,288Form 4
Gill Kevin A
See Remarks
2017-02-28 20:22:266,076
0
6,076Form 4
Cooney Anne M
Director
2024-03-08 20:23:593,341
0
3,341Form 4
Calle Juan Esteban
Director
2024-03-08 20:22:083,341
0
3,341Form 4
Ellerbusch Susan A
Director
2024-03-08 20:23:483,341
0
3,341Form 4
LANCE HOWARD L
Director
2024-03-08 20:24:363,341
0
3,341Form 4
VELASQUEZ JORGE MARIO
Director
2024-03-08 20:24:503,341
0
3,341Form 4
Moshouris Irene
Director
2024-03-08 20:25:013,341
0
3,341Form 4
CANTIE JOSEPH S
Director
2024-03-08 20:23:373,341
0
3,341Form 4
Wade Anne K.
Director
2024-03-08 20:21:553,341
0
3,341Form 4
Oates-Forney Tamla
Director
2024-03-08 20:21:423,341
0
3,341Form 4
WUNNING STEVEN H
Director
2024-03-08 20:21:143,341
0
3,341Form 4
Frantz Brian D
See Remarks
2024-03-08 20:23:242,839
0
2,839Form 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
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