Form4insider filings, from the source

SEC Form 4 · accession 0001104659-18-014918

Summit Materials, Inc. · SUM

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner
Period of report
Mar 2, 2018
Accepted (ET)
Mar 5, 2018 · 6:48 pm EST
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001621563

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Class A Common StockF1,F2Mar 2, 2018S10,000$32.20D0ISee Footnote
Class A Common Stockholding———10,601D

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses

Remarks

The Reporting Person disclaims beneficial ownership of the securities reported herein as indirectly beneficially owned, except to the extent of his pecuniary interest therein.