Form4insider filings, from the source

SEC Form 4 · accession 0001104659-18-014208

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
Feb 27, 2018
Accepted (ET)
Mar 1, 2018 · 9:03 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 StockFeb 27, 2018M21,756$18.00A27,258D
Class A Common StockFeb 27, 2018M4,411$17.07A31,669D
Class A Common StockF1Feb 27, 2018S26,167$32.32D5,502D
Class A Common StockF2Feb 28, 2018M1,793—A7,295D
Class A Common StockFeb 28, 2018F520$31.63D6,775D

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Options (right to buy)F3$18.00Feb 27, 2018M21,756D—Mar 11, 2025Class A Common Stock21,75621,756D
Options (right to buy)F4$17.07Feb 27, 2018M4,411D—Feb 24, 2026Class A Common Stock4,4114,412D
Restricted Stock UnitsF5,F6—Feb 28, 2018M1,793D——Class A Common Stock1,7933,584D
Restricted Stock UnitsF5,F7—Feb 28, 2018A8,256A——Class A Common Stock8,2568,256D

Explanation of responses

Remarks

Title: EVP, Chief Legal Officer & Secretary