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Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001104659-21-045789
Filing Date
2021-04-01
Accepted
2021-04-01 21:20:06
Documents
1
Period of Report
2021-03-30

Document Format Files

Seq Description Document Type Size
1 OWNERSHIP DOCUMENT tm2111872-4_4seq1.html 4  
1 OWNERSHIP DOCUMENT tm2111872-4_4seq1.xml 4 4292
  Complete submission text file 0001104659-21-045789.txt   5700
Mailing Address 1550 WYNKOOP STREET, 3RD FLOOR DENVER CO 80202
Business Address 1550 WYNKOOP STREET, 3RD FLOOR DENVER CO 80202 303-893-0012
Summit Materials, Inc. (Issuer) CIK: 0001621563 (see all company filings)

IRS No.: 471984212 | State of Incorp.: DE | Fiscal Year End: 1228
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)

Mailing Address C/O SUMMIT MATERIALS, INC. 1550 WYNKOOP STREET, 3RD FLOOR DENVER CO 80202
Business Address
Harris Brian James (Reporting) CIK: 0001635271 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-36873 | Film No.: 21800358