Form4insider filings, from the source

SEC Form 4 · accession 0001104659-18-072174

Summit Materials, Inc. · SUM

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

Reporting owner
Brian James Harris
Officer — EVP & Chief Financial Officer
Period of report
Dec 4, 2018
Accepted (ET)
Dec 10, 2018 · 8:06 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 StockDec 4, 2018P2,000$13.38A74,584D
Class A Common StockDec 10, 2018P2,000$13.00A76,584D
Class A Common StockF1holding———60,000ISee 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.