Form4insider filings, from the source

SEC Form 4 · accession 0001104659-17-051404

Summit Materials, Inc. · SUM

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

Reporting owner
Douglas Charles Rauh
Officer — See Remarks
Period of report
Aug 10, 2017
Accepted (ET)
Aug 11, 2017 · 6:08 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 StockAug 10, 2017M35,738$18.00A43,051D
Class A Common StockAug 10, 2017M64,262$18.00A107,313D
Class A Common StockF1Aug 10, 2017S100,000$28.69D7,313D

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Options (right to buy)F2$18.00Aug 10, 2017M35,738D—Mar 11, 2025Class A Common Stock35,73899,845D
Options (right to buy)F3$18.00Aug 10, 2017M64,262D—Mar 11, 2025Class A Common Stock64,26264,263D

Explanation of responses

Remarks

Title: EVP and Chief Operating Officer