Form4insider filings, from the source

SEC Form 4 · accession 0001104659-17-013649

Summit Materials, Inc. · SUM

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

A later amendment supersedes this filing — read the amendment. The figures below are kept as originally reported (version chain, not an overwrite).
Reporting owner
Brian James Harris
Officer — EVP & Chief Financial Officer
Period of report
Feb 28, 2017
Accepted (ET)
Mar 2, 2017 · 8:22 pm EST
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001621563

Table I — non-derivative securities

No Table I lines on this filing.

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Restricted Stock UnitsF1,F2—Feb 28, 2017A11,530A——Class A Common Stock11,53011,530D
Options (right to buy)F3$23.89Feb 28, 2017A19,632A—Feb 28, 2027Class A Common Stock19,63219,632D

Explanation of responses