SEC Seal
SEC Banner
EDGAR USA Search
EDGAR Search Results
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. CIK#: 0001621563 (see all company filings)

SIC: 1400 - MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS)
State location: CO | State of Inc.: DE | Fiscal Year End: 1231
(CF Office: 01 Energy & Transportation)
Get insider transactions for this issuer.

Filter Results
Search Within Files

(YYYYMMDD)
Ownership?


Enter keywords
Items 1 - 40  0001621563 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
8-K  Documents   Interactive Data Current report, item 7.01
Acc-no: 0001104659-24-033692 (34 Act)  Size: 198 KB
2024-03-13 001-36873
24744521
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001628280-24-004995 (34 Act)  Size: 29 MB
2024-02-15 001-36873
24643043
8-K  Documents   Interactive Data Current report, items 2.02, 7.01, and 9.01
Acc-no: 0001628280-24-004790 (34 Act)  Size: 1 MB
2024-02-14 001-36873
24638556
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000080255-24-000718 (34 Act)  Size: 6 KB
2024-02-14 005-88815
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-24-022036 (34 Act)  Size: 13 KB
2024-02-13 005-88815
24629655
8-K/A  Documents   Interactive Data [Amend] Current report, items 1.01 and 9.01
Acc-no: 0000950103-24-002063 (34 Act)  Size: 2 MB
2024-02-12 001-36873
24620396
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001422848-24-000146 (34 Act)  Size: 18 KB
2024-02-09 005-88815
24616663
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000912938-24-000204 (34 Act)  Size: 17 KB
2024-02-09 005-88815
24613262
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000354204-24-003063 (34 Act)  Size: 19 KB
2024-02-09 005-88815
24612313
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001086364-24-002739 (34 Act)  Size: 13 KB
2024-01-24 005-88815
24557815
SC 13D  Documents General statement of acquisition of beneficial ownership
Acc-no: 0001193125-24-012270 (34 Act)  Size: 158 KB
2024-01-22 005-88815
24549851
8-K  Documents   Interactive Data Current report, items 1.01, 2.01, 3.02, 3.03, 5.02, 8.01, and 9.01
Acc-no: 0000950103-24-000646 (34 Act)  Size: 3 MB
2024-01-12 001-36873
24532500
8-K  Documents   Interactive Data Current report, items 5.07, 8.01, and 9.01
Acc-no: 0000950103-24-000602 (34 Act)  Size: 278 KB
2024-01-11 001-36873
24529886
8-K  Documents   Interactive Data Current report, item 8.01
Acc-no: 0000950103-23-018009 (34 Act)  Size: 298 KB
2023-12-28 001-36873
231519312
8-K  Documents   Interactive Data Current report, items 1.01, 2.03, and 9.01
Acc-no: 0001104659-23-126049 (34 Act)  Size: 1 MB
2023-12-14 001-36873
231487462
DEFM14A  Documents Definitive proxy statement relating to merger or acquisition
Acc-no: 0001140361-23-057272 (34 Act)  Size: 9 MB
2023-12-12 001-36873
231479944
UPLOAD  Documents [Cover]SEC-generated letter
Acc-no: 0000000000-23-013363 Size: 39 KB
2023-12-07
8-K  Documents   Interactive Data Current report, item 8.01
Acc-no: 0001104659-23-122548 (34 Act)  Size: 279 KB
2023-12-01 001-36873
231457440
PRER14A  Documents Preliminary Proxy Soliciting materials
Acc-no: 0001140361-23-055138 (34 Act)  Size: 9 MB
2023-11-29 001-36873
231448431
CORRESP  Documents [Cover]Correspondence
Acc-no: 0001140361-23-055139 Size: 14 KB
2023-11-29
UPLOAD  Documents [Cover]SEC-generated letter
Acc-no: 0000000000-23-012879 Size: 43 KB
2023-11-27
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001104659-23-121103 (34 Act)  Size: 518 KB
2023-11-27 001-36873
231437323
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0001104659-23-121101 (34 Act)  Size: 656 KB
2023-11-27 001-36873
231437321
CORRESP  Documents [Cover]Correspondence
Acc-no: 0001140361-23-052727 Size: 18 KB
2023-11-13
PRER14A  Documents Preliminary Proxy Soliciting materials
Acc-no: 0001140361-23-052726 (34 Act)  Size: 9 MB
2023-11-13 001-36873
231395142
UPLOAD  Documents [Cover]SEC-generated letter
Acc-no: 0000000000-23-012260 Size: 46 KB
2023-11-08
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0000950103-23-015974 (34 Act)  Size: 136 KB
2023-11-03 001-36873
231374299
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001628280-23-036315 (34 Act)  Size: 19 MB
2023-11-02 001-36873
231371285
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001628280-23-035998 (34 Act)  Size: 851 KB
2023-11-01 001-36873
231368578
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0000950103-23-015314 (34 Act)  Size: 23 KB
2023-10-24 001-36873
231342941
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0000950103-23-015209 (34 Act)  Size: 21 KB
2023-10-20 001-36873
231337498
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0000950103-23-015157 (34 Act)  Size: 92 KB
2023-10-19 001-36873
231334982
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0000950103-23-015156 (34 Act)  Size: 2 MB
2023-10-19 001-36873
231334955
PREM14A  Documents Preliminary proxy statements relating to merger or acquisition
Acc-no: 0001140361-23-048773 (34 Act)  Size: 9 MB
2023-10-19 001-36873
231333202
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0000950103-23-013559 (34 Act)  Size: 319 KB
2023-09-13 001-36873
231253356
8-K  Documents   Interactive Data Current report, items 1.01, 3.02, 3.03, and 9.01
Acc-no: 0000950103-23-013556 (34 Act)  Size: 606 KB
2023-09-13 001-36873
231253249
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0000950103-23-013409 (34 Act)  Size: 921 KB
2023-09-08 001-36873
231243791
8-K  Documents   Interactive Data Current report, items 1.01 and 9.01
Acc-no: 0000950103-23-013407 (34 Act)  Size: 1 MB
2023-09-08 001-36873
231243752
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0000950103-23-013401 (34 Act)  Size: 5 MB
2023-09-07 001-36873
231243124
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0000950103-23-013390 (34 Act)  Size: 13 MB
2023-09-07 001-36873
231242343