Christopher Burke Gaskill Summit Materials, Inc. (SUM) insider trading activity

Christopher Burke Gaskill is Officer of Summit Materials, Inc.. Currently has a direct ownership of 44,693 shares of SUM, which is worth approximately $2.33 Million. The most recent transaction as insider was on Jan 16, 2025, when has been sold 3,850 shares (Class A Common Stock) at a price of $52.19 per share, resulting in proceeds of $200,931. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 44.7K

13.32% 3M change

69.41% 12M change

Total Value Held $2.33 Million

Christopher Burke Gaskill Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Jan 16 2025	SELL Payment of exercise price or tax liability	$200,931 $52.19 p/Share	3,850 Reduced 7.93%	44,693 Class A Common Stock
Jan 16 2025	BUY Grant, award, or other acquisition	-	8,491 Added 14.89%	48,543 Class A Common Stock
Dec 10 2024	SELL Bona fide gift	-	169 Reduced 0.42%	40,052 Class A Common Stock
Dec 10 2024	SELL Open market or private sale	$78,197 $50.91 p/Share	1,536 Reduced 3.68%	40,221 Class A Common Stock
Dec 10 2024	BUY Exercise of conversion of derivative security	$36,695 $23.89 p/Share	1,536 Added 3.55%	41,757 Class A Common Stock
Mar 07 2024	SELL Payment of exercise price or tax liability	$273,754 $42.39 p/Share	6,458 Reduced 14.07%	39,438 Class A Common Stock
Mar 07 2024	BUY Grant, award, or other acquisition	-	14,759 Added 24.33%	45,896 Class A Common Stock
Feb 29 2024	SELL Payment of exercise price or tax liability	$164,689 $42.71 p/Share	3,856 Reduced 11.02%	31,137 Class A Common Stock
Feb 29 2024	BUY Exercise of conversion of derivative security	-	8,611 Added 19.75%	34,993 Class A Common Stock
Dec 06 2023	SELL Bona fide gift	-	224 Reduced 0.84%	26,382 Class A Common Stock
Feb 28 2023	SELL Payment of exercise price or tax liability	$112,931 $29.54 p/Share	3,823 Reduced 12.94%	25,715 Class A Common Stock
Feb 28 2023	BUY Exercise of conversion of derivative security	-	8,451 Added 22.25%	29,538 Class A Common Stock
Jul 30 2022	SELL Payment of exercise price or tax liability	$84,373 $27.51 p/Share	3,067 Reduced 13.06%	20,414 Class A Common Stock
Jul 30 2022	BUY Exercise of conversion of derivative security	-	6,985 Added 22.93%	23,481 Class A Common Stock
May 26 2022	SELL Open market or private sale	$223,914 $27.63 p/Share	8,104 Reduced 32.94%	16,496 Class A Common Stock
Feb 28 2022	SELL Payment of exercise price or tax liability	$75,771 $31.22 p/Share	2,427 Reduced 9.18%	24,001 Class A Common Stock
Feb 28 2022	BUY Exercise of conversion of derivative security	-	7,990 Added 23.21%	26,428 Class A Common Stock
Dec 28 2021	SELL Payment of exercise price or tax liability	$58,230 $40.27 p/Share	1,446 Reduced 7.27%	18,438 Class A Common Stock
Dec 28 2021	BUY Exercise of conversion of derivative security	-	5,000 Added 20.09%	19,884 Class A Common Stock
Sep 03 2021	SELL Payment of exercise price or tax liability	$95,139 $32.92 p/Share	2,890 Reduced 16.26%	14,884 Class A Common Stock
Sep 03 2021	BUY Exercise of conversion of derivative security	-	10,000 Added 36.0%	17,774 Class A Common Stock
Aug 10 2021	SELL Open market or private sale	$175,250 $35.05 p/Share	5,000 Reduced 39.14%	7,774 Class A Common Stock
Jul 30 2021	SELL Payment of exercise price or tax liability	$67,838 $33.6 p/Share	2,019 Reduced 13.65%	12,774 Class A Common Stock
Jul 30 2021	BUY Exercise of conversion of derivative security	-	6,986 Added 32.08%	14,793 Class A Common Stock

CBG

Christopher Burke Gaskill

Officer

Denver, CO

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