Form4insider filings, from the source

SEC Form 4 · accession 0001104659-17-050306

Summit Materials, Inc. · SUM

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

Reporting owner
Anne Lee Benedict
Officer — See Remarks
Period of report
Aug 4, 2017
Accepted (ET)
Aug 8, 2017 · 5:03 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 StockAug 4, 2017M16,735$18.00A20,448D
Class A Common StockAug 4, 2017M4,412$17.07A24,860D
Class A Common StockF1Aug 4, 2017S21,147$29.27D3,713D

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Options (right to buy)F2$18.00Aug 4, 2017M16,735D—Mar 11, 2025Class A Common Stock16,73516,736D
Options (right to buy)F3$17.07Aug 4, 2017M4,412D—Feb 24, 2026Class A Common Stock4,4128,823D

Explanation of responses

Remarks

Title: EVP, Chief Legal Officer & Secretary