SEC Form 4 · accession 0001104659-18-003821
Summit Materials, Inc. · SUM
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Thomas W. Hill
Officer — President and CEO · Director
Period of report
Jan 22, 2018
Accepted (ET)
Jan 24, 2018 · 6:00 pm EST
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001621563
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Class A Common StockF2,F3 | Jan 22, 2018 | S | 6,300 | $31.04 | D | 167,048 | D | |
| Class A Common StockF4 | Jan 23, 2018 | S | 400 | $31.43 | D | 166,648 | D | |
| Class A Common StockF5 | Jan 23, 2018 | S | 5,800 | $32.06 | D | 160,848 | D | |
| Class A Common StockF3,F6 | holding | — | — | — | 365 | I | See Footnote |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.
- F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $30.82 to $31.51, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.
- F3Total holdings include shares of Class A common stock of the issuer received pursuant to a stock dividend paid on December 22, 2017.
- F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $31.40 to $34.445, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.
- F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $31.585 to $32.54, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.
- F6Reflects securities held by a trust for the benefit of Mr. Hill's family, for which Mr. Hill's spouse serves as trustee.
Remarks
The Reporting Person disclaims beneficial ownership of the securities reported herein as indirectly beneficially owned, except to the extent of his pecuniary interest therein.