Form4insider filings, from the source

SEC Form 4 · accession 0001104659-17-074903

Summit Materials, Inc. · SUM

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

Reporting owner
Thomas W. Hill
Officer — President and CEO · Director
Period of report
Dec 20, 2017
Accepted (ET)
Dec 22, 2017 · 6:01 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 StockF2Dec 20, 2017S6,300$29.93D189,310D
Class A Common StockF3Dec 21, 2017S6,200$30.58D183,110D
Class A Common StockF4holding———360ISee Footnote

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.