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Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0001274173-19-000121
Filing Date
2019-08-09
Accepted
2019-08-09 14:17:18
Documents
1

Document Format Files

Seq Description Document Type Size
1 JANUS HENDERSON GROUP PLC OWNS 10.3% OF SUMMIT MATERIALS INC sum8102019.txt SC 13G/A 8734
  Complete submission text file 0001274173-19-000121.txt   10442
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.: Y9 | 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: 1227
Type: SC 13G/A | Act: 34 | File No.: 005-88815 | Film No.: 191012516
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)