Deon MacMillan - EVP, Chief People Officer and Head of Corporate Communications at Summit Materials, Inc.

Insider Transactions and Holdings

Entity Type
Individual
Role
EVP, Chief People Officer and Head of Corporate Communications
Issuer Symbol
SUM
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There are no Buy or Sell transactions made by Deon MacMillan since 09 Mar 2025

Holdings reported by Deon MacMillan for Summit Materials, Inc.

Security Num Shares Value Price $ Transaction Date Ownership Underlying Class Underlying Amount
Class A Common Stock 8,250 $264,000 $32.00 10 Mar 2022 Direct
Restricted Stock Units 4,673 $149,536 $32.00 10 Mar 2022 Direct Class A Common Stock

Transactions reported by Deon MacMillan for Summit Materials, Inc.

Sym Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.