Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000950103-25-001825
Filing Date
2025-02-10
Accepted
2025-02-10 17:44:07
Documents
1
Period of Report
2025-02-10

Document Format Files

Seq Description Document Type Size
1 FORM 4 dp224682_4-loomes.html 4  
1 FORM 4 dp224682_4-loomes.xml 4 10490
  Complete submission text file 0000950103-25-001825.txt   11980
Mailing Address 1801 CALIFORNIA STREET SUITE 3500 DENVER CO 80202
Business Address 1801 CALIFORNIA STREET SUITE 3500 DENVER CO 80202 303-893-0012
Summit Materials, Inc. (Issuer) CIK: 0001621563 (see all company filings)

EIN.: 471984212 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)
(CF Office: 01 Energy & Transportation)

Mailing Address 1801 CALIFORNIA STREET SUITE 3500 DENVER CO 80202
Business Address
Loomes David (Reporting) CIK: 0002006209 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-36873 | Film No.: 25606919