Gaskill Christopher Burke - 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, Gaskill Christopher Burke'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.

Gaskill Christopher Burke - Insider Non-Derivative Transactions of SUM Class A Common Stock

Gaskill Christopher Burke - 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)	44693	52.5	0
Jan 17, 2025	F -- (Class A Common Stock)	3850	52.19	44693
Jan 17, 2025	Acquisition -- (Class A Common Stock)	8491	0	48543
Dec 11, 2024	G -- (Class A Common Stock)	169	0	40052
Dec 11, 2024	Sell -- (Class A Common Stock)	1536	50.91	40221
Dec 11, 2024	M -- (Class A Common Stock)	1536	23.89	41757
Mar 8, 2024	F -- (Class A Common Stock)	6458	42.39	39438
Mar 8, 2024	Acquisition -- (Class A Common Stock)	14759	0	45896
Mar 1, 2024	M -- (Class A Common Stock)	3061	0	29443
Mar 1, 2024	F -- (Class A Common Stock)	3856	42.71	31137
Mar 1, 2024	M -- (Class A Common Stock)	2696	0	32139
Mar 1, 2024	M -- (Class A Common Stock)	2854	0	34993
Dec 7, 2023	G -- (Class A Common Stock)	28	0	26382
Dec 7, 2023	G -- (Class A Common Stock)	14	0	26410
Dec 7, 2023	G -- (Class A Common Stock)	28	0	26424
Dec 7, 2023	G -- (Class A Common Stock)	154	0	26452
Mar 1, 2023	M -- (Class A Common Stock)	2692	0	23779
Mar 1, 2023	F -- (Class A Common Stock)	3823	29.54	25715
Mar 1, 2023	M -- (Class A Common Stock)	3062	0	26841
Mar 1, 2023	M -- (Class A Common Stock)	2697	0	29538