Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
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Brian James Harris currently holds 15,701 shares of Summit Materials, Inc. (SUM), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Brian James Harris has been a net seller of SUM stock. They have purchased $1.1M and sold $11.1M worth of shares.
Brian James Harris's most recent insider trade was on Mar 31, 2026, when they sold 31 shares at $0.00 per share.
Brian James Harris serves as Executive at Summit Materials, Inc. (SUM). They have executed 58 insider transactions totaling $12.2M over their tenure at the company.
Brian James Harris holds the position of Executive at Summit Materials, Inc., where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 11 years and currently hold a stake valued at $0.
Brian James Harris has shown a selling trading pattern, with $1.1M in total purchases and $11.1M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Brian James Harris was on Nov 20, 2019, when they sold $6.3M worth of SUM shares. This transaction involved 261,155 shares at $24.14 per share.
Brian James Harris currently owns 15,701 shares of Summit Materials, Inc. (SUM), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Brian James Harris's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Brian James Harris has 58 Form 4 filings on record as an insider at Summit Materials, Inc..
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