292 filings
ARS
2023 FY
SUM
Summit Materials Inc - Ordinary Shares
8 Apr 24
Annual report to shareholders
8:11am
DEFA14A
SUM
Summit Materials Inc - Ordinary Shares
8 Apr 24
Additional proxy soliciting materials
8:09am
8-K
SUM
Summit Materials Inc - Ordinary Shares
13 Mar 24
Regulation FD Disclosure
6:17am
8-K
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14 Feb 24
Summit Materials, Inc. Reports Fourth Quarter and Full Year 2023 Results
4:17pm
8-K/A
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12 Feb 24
Independent Auditors’ Report
4:28pm
8-K
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12 Jan 24
Summit Materials Completes Combination with Argos USA
4:37pm
8-K
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11 Jan 24
Summit Materials Shareholders Approve Combination with Argos USA
5:05pm
8-K
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28 Dec 23
Other Events
7:45am
8-K
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14 Dec 23
Entry into a Material Definitive Agreement
4:31pm
DEFM14A
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12 Dec 23
Proxy related to merger
7:10am
UPLOAD
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7 Dec 23
Letter from SEC
12:00am
8-K
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1 Dec 23
Other Events
6:02am
CORRESP
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29 Nov 23
Correspondence with SEC
12:00am
DEFA14A
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27 Nov 23
Additional proxy soliciting materials
7:34am
8-K
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27 Nov 23
Summit Materials Announces intention to offer $800 million of senior notes
7:30am
UPLOAD
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27 Nov 23
Letter from SEC
12:00am
PRER14A
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13 Nov 23
Preliminary revised proxy
7:39am