Financial reports
ARS
2023 FY
Annual report to shareholders
8 Apr 24
10-K
2023 FY
Annual report
15 Feb 24
10-Q
2023 Q3
Quarterly report
2 Nov 23
10-Q
2023 Q2
Quarterly report
3 Aug 23
10-Q
2023 Q1
Quarterly report
4 May 23
ARS
2022 FY
Annual report to shareholders
10 Apr 23
10-K
2022 FY
Annual report
16 Feb 23
10-Q
2022 Q3
Quarterly report
3 Nov 22
10-Q
2022 Q2
Quarterly report
4 Aug 22
10-Q
2022 Q1
Quarterly report
5 May 22
Current reports
8-K
Financial Statements and Exhibits
26 Apr 24
8-K
Regulation FD Disclosure
13 Mar 24
8-K
Summit Materials, Inc. Reports Fourth Quarter and Full Year 2023 Results
14 Feb 24
8-K/A
Independent Auditors’ Report
12 Feb 24
8-K
Summit Materials Completes Combination with Argos USA
12 Jan 24
8-K
Summit Materials Shareholders Approve Combination with Argos USA
11 Jan 24
8-K
Other Events
28 Dec 23
8-K
Entry into a Material Definitive Agreement
14 Dec 23
8-K
Other Events
1 Dec 23
8-K
Summit Materials Announces intention to offer $800 million of senior notes
27 Nov 23
Registration and prospectus
S-3ASR
Automatic shelf registration
6 Jan 23
S-8
Registration of securities for employees
5 Aug 21
S-3ASR
Automatic shelf registration
6 Jan 20
424B5
Prospectus supplement for primary offering
9 Jan 17
424B5
Prospectus supplement for primary offering
5 Jan 17
S-3ASR
Automatic shelf registration
5 Jan 17
424B2
Prospectus for primary offering
14 Nov 16
424B5
Prospectus supplement for primary offering
9 Nov 16
424B2
Prospectus for primary offering
15 Jul 16
424B5
Prospectus supplement for primary offering
13 Jul 16
Proxies
DEFA14A
Additional proxy soliciting materials
8 Apr 24
DEF 14A
Definitive proxy
8 Apr 24
DEFM14A
Proxy related to merger
12 Dec 23
PRER14A
Preliminary revised proxy
29 Nov 23
DEFA14A
Additional proxy soliciting materials
27 Nov 23
PRER14A
Preliminary revised proxy
13 Nov 23
DEFA14A
Additional proxy soliciting materials
2 Nov 23
DEFA14A
Additional proxy soliciting materials
24 Oct 23
DEFA14A
Additional proxy soliciting materials
20 Oct 23
DEFA14A
Additional proxy soliciting materials
19 Oct 23
Other
UPLOAD
Letter from SEC
7 Dec 23
CORRESP
Correspondence with SEC
29 Nov 23
UPLOAD
Letter from SEC
27 Nov 23
CORRESP
Correspondence with SEC
13 Nov 23
UPLOAD
Letter from SEC
8 Nov 23
UPLOAD
Letter from SEC
22 Jul 22
CORRESP
Correspondence with SEC
12 Jul 22
UPLOAD
Letter from SEC
27 Jun 22
UPLOAD
Letter from SEC
28 Nov 17
CORRESP
Correspondence with SEC
15 Nov 17