Form4insider filings, from the source

SEC Form 4 · accession 0000899243-16-018408

Summit Materials, Inc. · SUM

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

Reporting owner
Period of report
Apr 19, 2016
Accepted (ET)
Apr 21, 2016 · 8:03 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 StockF1,F2Apr 19, 2016C50,000—A50,000ISee Footnote
Class A Common StockF3,F2Apr 19, 2016S50,000$20.00D0ISee Footnote
Class A Common StockF1,F4Apr 19, 2016C522,804—A522,804ISee Footnote
Class A Common StockF3,F4Apr 19, 2016S522,804$20.00D0ISee Footnote

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
LP Units of Summit Materials Holdings L.P.F1,F2—Apr 19, 2016C50,000D——Class A Common Stock50,000202,752I
LP Units of Summit Materials Holdings L.P.F1,F4—Apr 19, 2016C522,804D——Class A Common Stock522,8041,611,022I

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.