Form4insider filings, from the source

SEC Form 4 · accession 0001104659-17-039984

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
Jun 14, 2017
Accepted (ET)
Jun 16, 2017 · 6:00 pm EDT
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,F2Jun 14, 2017C20,000—A20,000ISee Footnote
Class A Common StockF2Jun 15, 2017S20,000$28.1965D0ISee Footnote
Class A Common Stockholding———60,102D

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
LP Units of Summit Materials Holdings L.P.F1,F2—Jun 14, 2017C20,000D——Class A Common Stock20,000392,699I

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.