List of insiders holdings for Summit Materials Inc.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- 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
What is insider trading>>
- Peter Lynch
What is insider trading>>
| Insider Holder Name | Report 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 | 2024-11-25 09:19:55 | 54,720,000 0 | 54,720,000 | Form 13D |
| BARCLAYS PLC 10% Owner | 2016-07-25 21:00:56 | 0 13,958,332 | 13,958,332 | Form 4 |
| LONGLEAF PARTNERS FUNDS TRUST 10% Owner | 2019-06-17 14:42:04 | 12,699,444 0 | 12,699,444 | Form 3 |
| SOUTHEASTERN ASSET MANAGEMENT INC 10% Owner | 2019-12-10 16:00:14 | 5,117,610 0 | 5,117,610 | Form 13G |
| Hill Thomas W. President & CEO | 2020-07-22 18:00:32 | 468,372 226,969 | 695,341 | Form 4 |
| Noonan Anne P President & CEO | 2024-03-08 20:21:29 | 330,873 0 | 330,873 | Form 4 |
| Harris Brian James EVP & Chief Financial Officer | 2023-03-01 17:40:00 | 235,581 0 | 235,581 | Form 4 |
| Kennedy Michael N. Sr. V.P. Finance | 2016-12-16 16:56:55 | 201,449 0 | 201,449 | Form 4 |
| Murphy Damian John EVP & East Division President | 2017-12-13 20:10:04 | 156,001 1,848 | 157,849 | Form 4 |
| Kilgore Jason See Remarks | 2024-12-11 16:09:44 | 1,630 108,642 | 110,272 | Form 4 |
| Rauh Douglas Charles See Remarks | 2017-11-03 18:02:14 | 107,917 0 | 107,917 | Form 4 |
| Benedict Anne Lee See Remarks | 2021-03-22 21:20:00 | 73,585 0 | 73,585 | Form 4 |
| Brady Michael John See Remarks | 2021-03-02 19:25:52 | 48,307 0 | 48,307 | Form 4 |
| Anderson Karli S. See Remarks | 2024-03-08 20:23:12 | 43,322 0 | 43,322 | Form 4 |
| Beck Thomas A. See Remarks | 2019-03-04 20:00:41 | 41,837 0 | 41,837 | Form 4 |
| Gaskill Christopher Burke See Remarks | 2024-12-11 16:08:33 | 40,052 0 | 40,052 | Form 4 |
| Anderson Craig Scott EVP & Chief Financial Officer | 2024-03-08 20:24:22 | 38,058 0 | 38,058 | Form 4 |
| Watson Karl EVP & Chief Operating Officer | 2019-03-04 20:03:26 | 28,602 0 | 28,602 | Form 4 |
| GARDNER TED A Director | 2020-03-03 21:38:17 | 28,080 0 | 28,080 | Form 4 |
| Wade Anne K. Director | 2024-12-11 16:10:24 | 22,121 0 | 22,121 | Form 4 |
| MURPHY JOHN RAYMOND Director | 2023-10-02 20:04:11 | 21,499 0 | 21,499 | Form 4 |
| Loomes David See Remarks | 2024-03-08 20:24:10 | 13,974 0 | 13,974 | Form 4 |
| Ghelani Kekin Chief Strategy&Growth Officer | 2024-03-08 20:22:20 | 13,281 0 | 13,281 | Form 4 |
| MacMillan Deon See Remarks | 2022-03-11 16:20:53 | 12,923 0 | 12,923 | Form 4 |
| DePriest Charles See remarks | 2024-12-16 19:16:24 | 11,778 0 | 11,778 | Form 4 |
| Moore Marshall D See Remarks | 2024-03-08 20:22:35 | 8,191 0 | 8,191 | Form 4 |
| SIMPKINS NEIL P Director | 2018-03-01 21:02:10 | 8,092 0 | 8,092 | Form 4 |
| Evans Mikel Shane See Remarks | 2019-11-05 17:02:05 | 6,288 0 | 6,288 | Form 4 |
| Gill Kevin A See Remarks | 2017-02-28 20:22:26 | 6,076 0 | 6,076 | Form 4 |
| Moshouris Irene Director | 2024-03-08 20:25:01 | 3,341 0 | 3,341 | Form 4 |
| VELASQUEZ JORGE MARIO Director | 2024-03-08 20:24:50 | 3,341 0 | 3,341 | Form 4 |
| LANCE HOWARD L Director | 2024-03-08 20:24:36 | 3,341 0 | 3,341 | Form 4 |
| WUNNING STEVEN H Director | 2024-03-08 20:21:14 | 3,341 0 | 3,341 | Form 4 |
| Cooney Anne M Director | 2024-03-08 20:23:59 | 3,341 0 | 3,341 | Form 4 |
| Ellerbusch Susan A Director | 2024-03-08 20:23:48 | 3,341 0 | 3,341 | Form 4 |
| CANTIE JOSEPH S Director | 2024-03-08 20:23:37 | 3,341 0 | 3,341 | Form 4 |
| Calle Juan Esteban Director | 2024-03-08 20:22:08 | 3,341 0 | 3,341 | Form 4 |
| Oates-Forney Tamla Director | 2024-03-08 20:21:42 | 3,341 0 | 3,341 | Form 4 |
| Frantz Brian D See Remarks | 2024-03-08 20:23:24 | 2,839 0 | 2,839 | Form 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 14:45:32 | 0 0 | 0 | Form 13G |
| Kahr Julia Director | 2015-03-12 20:24:00 | 0 0 | 0 | Form 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 18:00:54 | 0 0 | 0 | Form 4 |