Form4insider filings, from the source

SEC Form 4 · accession 0000899243-16-020661

Summit Materials, Inc. · SUM

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

Reporting owner
Michael John Brady
Officer — See Remarks
Period of report
May 18, 2016
Accepted (ET)
May 20, 2016 · 7:37 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 StockF1May 18, 2016C75,000—A75,000D
Class A Common StockF2May 20, 2016S25,000$21.52D50,000D
Class A Common StockMay 20, 2016S14,772$21.65D35,228D

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
LP Units of Summit Materials Holdings L.P.F1,F3—May 18, 2016C75,000D——Class A Common Stock75,000408,649D

Explanation of responses

Remarks

Title: EVP & Chief Business Development Officer