Christopher B. Gaskill - Aug 10, 2021 Form 4 Insider Report for Summit Materials, Inc. (SUM)

Signature
/s/ Christopher B. Gaskill
Stock symbol
SUM
Transactions as of
Aug 10, 2021
Transactions value $
-$175,250
Form type
4
Date filed
8/12/2021, 04:31 PM
Previous filing
Aug 3, 2021
Next filing
Sep 8, 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SUM Class A Common Stock Sale -$175K -5K -39.14% $35.05 7.77K Aug 10, 2021 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Remarks:

Title: EVP, Chief Legal Officer & Secretary