Christopher Burke Gaskill - 10 Aug 2021 Form 4 Insider Report for Summit Materials, Inc.

Signature
/s/ Christopher B. Gaskill
Issuer symbol
N/A
Transactions as of
10 Aug 2021
Net transactions value
-$175,250
Form type
4
Filing time
12 Aug 2021, 16:31:44 UTC
Previous filing
03 Aug 2021
Next filing
08 Sep 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SUM Class A Common Stock Sale $175,250 -5,000 -39% $35.05 7,774 10 Aug 2021 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Remarks:

Title: EVP, Chief Legal Officer & Secretary