1. Corporate Officers - A
2. Anderson Karli S.

Insider Trading History of Anderson Karli S.

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) of Anderson Karli S. since 2016. This trader's CIK number is 1577417. At the time of last reporting, Anderson Karli S. was the See Remarks of Summit Materials, Inc.. (stock ticker symbol SUM). Also see all insider trading activities at Summit Materials, Inc..

Note that in the past Anderson Karli S. also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Royal Gold Inc (RGLD) by Anderson Karli S.

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2018	RGLD	0	$0	1,049	$94,168	2,563	$0
2017	RGLD	0	$0	2,262	$206,859	22,173	$1,100,273
2016	RGLD	0	$0	0	$0	5,655	$0

Yearly summary of insider trading at Summit Materials, Inc. (SUM) by Anderson Karli S.

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2024	SUM	0	$0	0	$0	7,852	$0
2023	SUM	0	$0	0	$0	6,979	$0
2022	SUM	0	$0	0	$0	5,710	$0
2021	SUM	0	$0	0	$0	6,711	$0

Insider trading activities at 2 companies by Anderson Karli S.:

1. Royal Gold Inc (RGLD)

2. Summit Materials, Inc. (SUM)

Table 1. Insider trading of Royal Gold Inc (RGLD) by Anderson Karli S.

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2018-08-21	RGLD	Option Ex	1,713	.00	0
2018-06-01	RGLD	Sale	1,049	89.77	94,168
2018-05-29	RGLD	Option Ex	850	.00	0
2017-08-28	RGLD	Option Ex	18,058	60.93	1,100,273
2017-08-30	RGLD	Sale	2,262	91.45	206,859
2017-08-23	RGLD	Option Ex	3,265	.00	0
2017-03-02	RGLD	Option Ex	850	.00	0
2016-11-15	RGLD	Option Ex	850	.00	0
2016-11-15	RGLD	Option Ex	850	.00	0
2016-11-15	RGLD	Option Ex	850	.00	0
2016-08-16	RGLD	Option Ex	2,255	.00	0
2016-02-25	RGLD	Option Ex	850	.00	0

Table 2. Insider trading of Summit Materials, Inc. (SUM) by Anderson Karli S.

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2024-02-29	SUM	Option Ex	7,852	.00	0
2023-02-28	SUM	Option Ex	6,979	.00	0
2022-07-30	SUM	Option Ex	5,710	.00	0
2021-09-03	SUM	Option Ex	1,000	.00	0
2021-07-30	SUM	Option Ex	5,711	.00	0

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Anderson Karli S. (See Remarks of Summit Materials, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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