Form4insider filings, from the source

SEC Form 4 · accession 0001104659-17-056812

Summit Materials, Inc. · SUM

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

Reporting owner
Damian John Murphy
Officer — EVP & East Division President
Period of report
Sep 8, 2017
Accepted (ET)
Sep 12, 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 StockF1Sep 8, 2017C100,000—A104,398D
Class A Common StockF2Sep 8, 2017S99,596$30.66D4,802D
Class A Common StockF3Sep 11, 2017S404$30.29D4,398D
Class A Common Stockholding———1,848IBy child

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
LP Units of Summit Materials Holdings L.P.F1—Sep 8, 2017C100,000D——Class A Common Stock100,00059,042D

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.