Form4insider filings, from the source

SEC Form 4 · accession 0001104659-17-030753

Summit Materials, Inc. · SUM

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

Reporting owner
Mikel Shane Evans
Officer — See Remarks
Period of report
May 4, 2017
Accepted (ET)
May 8, 2017 · 6:09 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 4, 2017C30,000—A38,993D
Class A Common StockF2May 5, 2017S30,000$28.58D8,993D
Class A Common StockMay 5, 2017M7,200$18.00A16,193D
Class A Common StockF3May 5, 2017S7,200$28.55D8,993D

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
LP Units of Summit Materials Holdings L.P.F1—May 4, 2017C30,000D——Class A Common Stock30,00078,525D
Options (right to buy)F4$18.00May 5, 2017M7,200D—Mar 11, 2025Class A Common Stock7,200132,343D

Explanation of responses

Remarks

Title: EVP & West Division President