Financial reports
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
10-K
2021 FY
Annual report
24 Feb 22
10-Q
2021 Q3
Quarterly report
4 Nov 21
10-Q
2021 Q2
Quarterly report
5 Aug 21
Current reports
8-K
Entry into a Material Definitive Agreement
13 Sep 23
8-K
Entry into a Material Definitive Agreement
8 Sep 23
8-K
Creating a Materials-Led Enterprise with National Scale
7 Sep 23
8-K
Summit Materials Announces Significant Step to Streamline Company Structure
22 Aug 23
8-K
Summit Materials, Inc. Reports Second Quarter 2023 Results
2 Aug 23
8-K
Mine Safety - Reporting of Shutdowns and Patterns of Violations
23 Jun 23
8-K
Submission of Matters to a Vote of Security Holders
25 May 23
8-K
Summit Materials, Inc. Reports First Quarter 2023 Results
3 May 23
8-K
Summit Materials Announces Scott Anderson as New Chief Financial Officer
1 Mar 23
8-K
Summit Materials, Inc. Reports Fourth Quarter and Full Year 2022 Results
15 Feb 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
13 Sep 23
DEFA14A
Additional proxy soliciting materials
8 Sep 23
DEFA14A
Additional proxy soliciting materials
7 Sep 23
DEFA14A
Additional proxy soliciting materials
7 Sep 23
DEFA14A
Additional proxy soliciting materials
10 Apr 23
DEF 14A
Definitive proxy
10 Apr 23
DEFA14A
Additional proxy soliciting materials
1 Apr 22
DEF 14A
Definitive proxy
1 Apr 22
DEFA14A
Additional proxy soliciting materials
6 May 21
DEFA14A
Additional proxy soliciting materials
5 Apr 21
Other
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
UPLOAD
Letter from SEC
19 Oct 17
CORRESP
Correspondence with SEC
23 Aug 17
UPLOAD
Letter from SEC
1 Aug 17
CORRESP
Correspondence with SEC
14 Jul 17
UPLOAD
Letter from SEC
6 Jul 17
Ownership
4
Kekin Ghelani
18 Sep 23
4
Anne P Noonan
21 Jul 23
SC 13G/A
VANGUARD GROUP INC
10 Apr 23
4
Craig Scott Anderson
2 Mar 23
3
Craig Scott Anderson
2 Mar 23
4
Karli S. Anderson
1 Mar 23
4
Christopher Burke Gaskill
1 Mar 23
4
Brian James Harris
1 Mar 23
4
Anne P Noonan
1 Mar 23
4
Tamla Oates-Forney
1 Mar 23