Form4insider filings, from the source

SEC Form 4 · accession 0001104659-17-012713

Summit Materials, Inc. · SUM

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

Reporting owner
Anne K. Wade
Director
Period of report
Feb 24, 2017
Accepted (ET)
Feb 28, 2017 · 8:15 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 StockF1Feb 24, 2017M6,414—A6,414D

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Restricted Stock UnitsF2,F3—Feb 24, 2017M6,414D——Class A Common Stock6,4140D

Explanation of responses