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Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001104659-22-041753
Filing Date
2022-04-01
Accepted
2022-04-01 16:19:14
Documents
3

Document Format Files

Seq Description Document Type Size
1 DEFA14A tm223385d3_defa14a.htm DEFA14A 11707
2 GRAPHIC tm223385d3_defa14aimg001.jpg GRAPHIC 249892
3 GRAPHIC tm223385d3_defa14aimg002.jpg GRAPHIC 163279
  Complete submission text file 0001104659-22-041753.txt   581936
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: 0101
Type: DEFA14A | Act: 34 | File No.: 001-36873 | Film No.: 22798508
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)
Office of Energy & Transportation