Form4insider filings, from the source

SEC Form 4 · accession 0001104659-17-013647

Summit Materials, Inc. · SUM

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

Reporting owner
Period of report
Feb 28, 2017
Accepted (ET)
Mar 2, 2017 · 8:20 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 StockF2,F1Mar 1, 2017S19,332$24.80D0ISee Footnote
Class A Common Stockholding———6,414D

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Restricted Stock UnitsF3,F4—Feb 28, 2017A4,098A——Class A Common Stock4,0984,098D

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.