Karli S. Anderson Summit Materials, Inc. (SUM) insider trading activity

Karli S. Anderson is Officer of Summit Materials, Inc.. Currently has a direct ownership of 48,285 shares of SUM, which is worth approximately $2.53 Million. The most recent transaction as insider was on Jan 16, 2025, when has been sold 2,318 shares (Class A Common Stock) at a price of $52.19 per share, resulting in proceeds of $120,976. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 48.3K

62.4% 3M change

162.32% 12M change

Total Value Held $2.53 Million

Karli S. Anderson Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Jan 16 2025	SELL Payment of exercise price or tax liability	$120,976 $52.19 p/Share	2,318 Reduced 4.58%	48,285 Class A Common Stock
Jan 16 2025	BUY Grant, award, or other acquisition	-	7,587 Added 13.04%	50,603 Class A Common Stock
Dec 20 2024	SELL Payment of exercise price or tax liability	$489,345 $50.5 p/Share	9,690 Reduced 18.39%	43,016 Class A Common Stock
Dec 20 2024	BUY Exercise of conversion of derivative security	-	22,146 Added 29.59%	52,706 Class A Common Stock
Mar 07 2024	SELL Payment of exercise price or tax liability	$211,865 $42.39 p/Share	4,998 Reduced 14.39%	29,733 Class A Common Stock
Mar 07 2024	BUY Grant, award, or other acquisition	-	11,420 Added 24.74%	34,731 Class A Common Stock
Feb 29 2024	SELL Payment of exercise price or tax liability	$150,638 $42.71 p/Share	3,527 Reduced 13.14%	23,311 Class A Common Stock
Feb 29 2024	BUY Exercise of conversion of derivative security	-	7,852 Added 22.63%	26,838 Class A Common Stock
Feb 28 2023	SELL Payment of exercise price or tax liability	$93,612 $29.54 p/Share	3,169 Reduced 14.69%	18,407 Class A Common Stock
Feb 28 2023	BUY Exercise of conversion of derivative security	-	6,979 Added 24.44%	21,576 Class A Common Stock
Sep 03 2022	SELL Payment of exercise price or tax liability	$12,292 $28.0 p/Share	439 Reduced 3.01%	14,162 Class A Common Stock
Sep 03 2022	BUY Exercise of conversion of derivative security	-	1,000 Added 6.41%	14,601 Class A Common Stock
Jul 30 2022	SELL Payment of exercise price or tax liability	$68,968 $27.51 p/Share	2,507 Reduced 15.56%	13,601 Class A Common Stock
Jul 30 2022	BUY Exercise of conversion of derivative security	-	5,710 Added 26.17%	16,108 Class A Common Stock
Feb 28 2022	SELL Payment of exercise price or tax liability	$45,331 $31.22 p/Share	1,452 Reduced 12.64%	10,033 Class A Common Stock
Feb 28 2022	BUY Exercise of conversion of derivative security	-	4,570 Added 28.46%	11,485 Class A Common Stock
Sep 03 2021	SELL Payment of exercise price or tax liability	$9,514 $32.92 p/Share	289 Reduced 4.01%	6,915 Class A Common Stock
Sep 03 2021	BUY Exercise of conversion of derivative security	-	1,000 Added 12.19%	7,204 Class A Common Stock
Jul 30 2021	SELL Payment of exercise price or tax liability	$55,474 $33.6 p/Share	1,651 Reduced 21.02%	6,204 Class A Common Stock
Jul 30 2021	BUY Exercise of conversion of derivative security	-	5,711 Added 42.1%	7,855 Class A Common Stock

Also insider at

WWR

WESTWATER RESOURCES, INC. Basic Materials

Director

KSA

Karli S. Anderson

Officer

Denver, CO

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