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Form 8-K - Current report:
SEC Accession No. 0001628280-21-010695
Filing Date
2021-05-19
Accepted
2021-05-19 16:30:50
Documents
19
Period of Report
2021-05-19
Items
Item 3.03: Material Modifications to Rights of Security Holders
Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
Item 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
Item 5.07: Submission of Matters to a Vote of Security Holders
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K sum-20210519.htm   iXBRL 8-K 109970
2 EX-3.1 ex31-restatedcertificateof.htm EX-3.1 71069
3 EX-3.2 ex32-restatedcertificateof.htm EX-3.2 158530
4 EX-3.3 ex33-amendedandrestatedbyx.htm EX-3.3 144493
5 EX-3.4 ex34-amendedandrestatedbyx.htm EX-3.4 167193
6 EX-10.1 ex101-summitmaterialsincam.htm EX-10.1 199579
7 EX-10.2 ex102-summitmaterialsinc20.htm EX-10.2 143523
8 EX-99.1 ex991-directorappointment.htm EX-99.1 9760
  Complete submission text file 0001628280-21-010695.txt   1317793

Data Files

Seq Description Document Type Size
9 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT sum-20210519.xsd EX-101.SCH 1957
10 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT sum-20210519_lab.xml EX-101.LAB 26305
11 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT sum-20210519_pre.xml EX-101.PRE 13768
12 EXTRACTED XBRL INSTANCE DOCUMENT sum-20210519_htm.xml XML 11891
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: 8-K | Act: 34 | File No.: 001-36873 | Film No.: 21940684
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)