Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000902664-20-000974
Filing Date
2020-02-12
Accepted
2020-02-12 16:58:08
Documents
1

Document Format Files

Seq Description Document Type Size
1 SUMMIT MATERIALS, INC. p20-0307sc13ga.htm SC 13G/A 94237
  Complete submission text file 0000902664-20-000974.txt   95857
Mailing Address 200 CLARENDON STREET, 52ND FLOOR BOSTON MA 02116
Business Address 200 CLARENDON STREET 52ND FLOOR BOSTON MA 02116 (617) 867-2800
ADAGE CAPITAL PARTNERS GP, L.L.C. (Filed by) CIK: 0001165408 (see all company filings)

EIN.: 043574590 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A

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: 1228
Type: SC 13G/A | Act: 34 | File No.: 005-88815 | Film No.: 20605096
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)