0001104659-21-045797.txt : 20210401
0001104659-21-045797.hdr.sgml : 20210401
20210401212901
ACCESSION NUMBER: 0001104659-21-045797
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20210330
FILED AS OF DATE: 20210401
DATE AS OF CHANGE: 20210401
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Ellerbusch Susan A
CENTRAL INDEX KEY: 0001744472
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-36873
FILM NUMBER: 21800387
MAIL ADDRESS:
STREET 1: C/O SUMMIT MATERIALS, INC.
STREET 2: 1550 WYNKOOP STREET, 3RD FLOOR
CITY: DENVER
STATE: CO
ZIP: 80202
ISSUER:
COMPANY DATA:
COMPANY CONFORMED NAME: Summit Materials, Inc.
CENTRAL INDEX KEY: 0001621563
STANDARD INDUSTRIAL CLASSIFICATION: MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400]
IRS NUMBER: 471984212
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1228
BUSINESS ADDRESS:
STREET 1: 1550 WYNKOOP STREET, 3RD FLOOR
CITY: DENVER
STATE: CO
ZIP: 80202
BUSINESS PHONE: 303-893-0012
MAIL ADDRESS:
STREET 1: 1550 WYNKOOP STREET, 3RD FLOOR
CITY: DENVER
STATE: CO
ZIP: 80202
4
1
tm2111872-12_4seq1.xml
OWNERSHIP DOCUMENT
X0306
4
2021-03-30
0
0001621563
Summit Materials, Inc.
SUM
0001744472
Ellerbusch Susan A
C/O SUMMIT MATERIALS, INC.
1550 WYNKOOP STREET, 3RD FLOOR
DENVER
CO
80202
1
0
0
0
Restricted Stock Units
2021-03-30
4
A
0
4374
0
A
Class A Common Stock
4374
4374
D
Each restricted stock unit represents a contingent right to receive one share of Class A common stock of the Issuer ("Class A Common Stock"). The restricted stock units will be settled in either Class A Common Stock or cash (or a combination thereof) at the discretion of the Issuer's compensation committee.
These restricted stock units vest on February 28, 2022.
/s/ Christopher B. Gaskill, as Attorney-in-Fact
2021-04-01