Form4insider filings, from the source

SEC Form 4 · accession 0001104659-16-162676

Summit Materials, Inc. · SUM

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

Reporting owner
Period of report
Dec 14, 2016
Accepted (ET)
Dec 16, 2016 · 7:04 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,F2Dec 14, 2016C22—A22ISee Foonote
Class A Common StockF2Dec 15, 2016S22$23.40D0ISee Foonote

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
LP Units of Summit Materials Holdings L.P.F1,F2—Dec 14, 2016C22D——Class A Common Stock220I
LP Units of Summit Materials Holdings L.P.F3,F1—holding—————Class A Common Stock202,752202,752I

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.