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Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001140361-24-018483
Filing Date
2024-04-08
Accepted
2024-04-08 08:09:12
Documents
3

Document Format Files

Seq Description Document Type Size
1 DEFA14A ny20019511x2_defa14a.htm DEFA14A 14430
2 ny20019511x2_nc01.jpg GRAPHIC 1253798
3 ny20019511x2_nc02.jpg GRAPHIC 1329456
  Complete submission text file 0001140361-24-018483.txt   3569334
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.: 24828208
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)
(CF Office: 01 Energy & Transportation)