SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001274173-21-000031
Filing Date
2021-02-11
Accepted
2021-02-11 15:02:29
Documents
1

Document Format Files

Seq Description Document Type Size
1 JANUS HENDERSON GROUP PLC OWNS 4.7% sum2102021.txt SC 13G/A 6157
  Complete submission text file 0001274173-21-000031.txt   7864
Mailing Address 201 BISHOPSGATE LONDON X0 EC2M 3AE
Business Address 201 BISHOPSGATE LONDON X0 EC2M 3AE 442078181818
JANUS HENDERSON GROUP PLC (Filed by) CIK: 0001274173 (see all company filings)

IRS No.: 000000000 | State of Incorp.: CO | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 6282 Investment Advice

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)

IRS No.: 471984212 | State of Incorp.: DE | Fiscal Year End: 1228
Type: SC 13G/A | Act: 34 | File No.: 005-88815 | Film No.: 21618983
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)