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Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0000950103-24-006355
Filing Date
2024-05-06
Accepted
2024-05-06 06:01:07
Documents
1

Document Format Files

Seq Description Document Type Size
1 FORM DEFA14A dp210906_defa14a-1.htm DEFA14A 10582
  Complete submission text file 0000950103-24-006355.txt   11624
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. (Filer) CIK: 0001621563 (see all company filings)

IRS No.: 471984212 | State of Incorp.: DE | Fiscal Year End: 1231
Type: DEFA14A | Act: 34 | File No.: 001-36873 | Film No.: 24915383
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)
(CF Office: 01 Energy & Transportation)