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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001104659-21-045788
Filing Date
2021-04-01
Accepted
2021-04-01 21:17:26
Documents
2
Period of Report
2021-03-29

Document Format Files

Seq Description Document Type Size
1 OWNERSHIP DOCUMENT tm2111872-3_3seq1.html 3  
1 OWNERSHIP DOCUMENT tm2111872-3_3seq1.xml 3 3910
2 EXHIBIT 24 tm2111872d3_ex24.htm EX-24 4259
  Complete submission text file 0001104659-21-045788.txt   9573
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 08202
Business Address
MacMillan Deon (Reporting) CIK: 0001854400 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-36873 | Film No.: 21800352