Form4insider filings, from the source

SEC Form 4 · accession 0001104659-18-014210

Summit Materials, Inc. · SUM

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

Reporting owner
Michael John Brady
Officer — See Remarks
Period of report
Feb 28, 2018
Accepted (ET)
Mar 1, 2018 · 9:04 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 28, 2018M1,916—A6,723D
Class A Common StockFeb 28, 2018F618$31.63D6,105D

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Restricted Stock UnitsF2,F3—Feb 28, 2018M1,916D——Class A Common Stock1,9163,832D
Restricted Stock UnitsF2,F4—Feb 28, 2018A9,984A——Class A Common Stock9,9849,984D

Explanation of responses

Remarks

Title: EVP & Chief Business Development Officer