Summit Materials, Inc.
SEC Filing List

SUM         CIK: 0001621563

Form Description Owner/Filer Filing Agent Date Actions
15-12GNotice of termination of registration of...Summit Materials, Inc. DAVIS POLK & WARDWELL LLP 01/FA02/21/2025
SCHEDULE 13G/APRICE T ROWE ASSOCIATES INC /MD/ /fa02/14/2025
25-NSENotification filed by national security ...NEW YORK STOCK EXCHANGE LLC /fa02/11/2025
8-KCurrent report filingSummit Materials, Inc. DAVIS POLK & WARDWELL LLP 01/FA02/10/2025
4Statement of changes in beneficial owner...Lance Howard LDAVIS POLK & WARDWELL LLP 01/FA02/10/2025
4Statement of changes in beneficial owner...Gaskill Christopher BurkeDAVIS POLK & WARDWELL LLP 01/FA02/10/2025
S-8 POSPost-effective amendment to a S-8 regist...Summit Materials, Inc. DAVIS POLK & WARDWELL LLP 01/FA02/10/2025
S-8 POSPost-effective amendment to a S-8 regist...Summit Materials, Inc. DAVIS POLK & WARDWELL LLP 01/FA02/10/2025
4Statement of changes in beneficial owner...Depriest CharlesDAVIS POLK & WARDWELL LLP 01/FA02/10/2025
4Statement of changes in beneficial owner...DONNELLEY FINANCIAL SOLUTIONS /fa02/10/2025
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