Christopher B. Gaskill - May 26, 2022 Form 4 Insider Report for Summit Materials, Inc. (SUM)

Role
Title: EVP, Chief Legal Officer & Secretary
Signature
/s/ Christopher B. Gaskill
Stock symbol
SUM
Transactions as of
May 26, 2022
Transactions value $
-$223,914
Form type
4
Date filed
5/26/2022, 04:35 PM
Previous filing
Mar 3, 2022
Next filing
Aug 1, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SUM Class A Common Stock Sale -$224K -8.1K -32.94% $27.63 16.5K May 26, 2022 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $27.56 to $27.73, 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. The Reporting Person remains within compliance of the Issuer's equity ownership guidelines
F2 Includes 559 shares acquired through the Issuer's Employee Stock Purchase Plan on 4/14/2022.

Remarks:

Title: EVP, Chief Legal Officer & Secretary