Frantz Brian D - Insider Non-Derivative Transactions at Summit Materials, Inc. (SUM) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Feb 10, 2025, Frantz Brian D's relationship to Summit Materials, Inc. (SUM) is Officer (See Remarks), and currently has 0 shares of Class A Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other SUM insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

Frantz Brian D - Insider Non-Derivative Transactions of SUM Class A Common Stock

Frantz Brian D - Insider Non-Derivative Transactions at SUM

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Feb 11, 2025	Disposition -- (Class A Common Stock)	11402	52.5	0
Jan 17, 2025	F -- (Class A Common Stock)	460	52.19	11402
Jan 17, 2025	Acquisition -- (Class A Common Stock)	1348	0	11862
Mar 1, 2024	M -- (Class A Common Stock)	1969	0	8965
Mar 1, 2024	F -- (Class A Common Stock)	1462	42.71	10161
Mar 1, 2024	M -- (Class A Common Stock)	1285	0	10250
Mar 1, 2024	M -- (Class A Common Stock)	1373	0	11623