Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000834237-22-006266
Filing Date
2022-02-03
Accepted
2022-02-03 16:41:25
Documents
1

Document Format Files

Seq Description Document Type Size
1 us86614u1007_020322.txt SC 13G/A 11674
  Complete submission text file 0000834237-22-006266.txt   13414
Mailing Address 55 EAST 52ND STREET NEW YORK NY 10055
Business Address 55 EAST 52ND STREET NEW YORK NY 10055 212-810-5300
BlackRock Inc. (Filed by) CIK: 0001364742 (see all company filings)

EIN.: 320174431 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 6211 Security Brokers, Dealers & Flotation Companies

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. (Subject) CIK: 0001621563 (see all company filings)

EIN.: 471984212 | State of Incorp.: DE | Fiscal Year End: 0101
Type: SC 13G/A | Act: 34 | File No.: 005-88815 | Film No.: 22589026
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)