Form4insider filings, from the source

SEC Form 4 · accession 0000899243-16-014637

Summit Materials, Inc. · SUM

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

Reporting owner
Period of report
Feb 24, 2016
Accepted (ET)
Feb 26, 2016 · 9:33 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 24, 2016A6,414A——Class A Common Stock6,4146,414D

Explanation of responses