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Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001104659-20-043149
Filing Date
2020-04-03
Accepted
2020-04-03 16:40:16
Documents
5
Effectiveness Date
2020-04-03

Document Format Files

Seq Description Document Type Size
1 DEFA14A a20-1736_3defa14a.htm DEFA14A 32427
2 GRAPHIC g17363bci001.gif GRAPHIC 64040
3 GRAPHIC g17363bci002.gif GRAPHIC 83793
4 GRAPHIC g17363bci003.gif GRAPHIC 19773
5 GRAPHIC g17363bci004.gif GRAPHIC 4034
  Complete submission text file 0001104659-20-043149.txt   270324
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: 1228
Type: DEFA14A | Act: 34 | File No.: 001-36873 | Film No.: 20774023
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)