1. Corporate Officers - M
2. Mathewson David C.

Insider Trading History of Mathewson David C.

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) of Mathewson David C. since 2017. This trader's CIK number is 1453148. At the time of last reporting, Mathewson David C. was the Other of Timberline Resources Corp. (stock ticker symbol TLRS). Also see all insider trading activities at Timberline Resources Corp.

Note that in the past Mathewson David C. also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Timberline Resources Corp (TLRS) by Mathewson David C.

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2021	TLRS	350,000	$49,000	0	$0	0	$0
2018	TLRS	2,000,000	$160,000	0	$0	0	$0

Yearly summary of insider trading at U.s. Gold Corp. (USAU) by Mathewson David C.

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2019	USAU	0	$0	20,000	$19,220	0	$0
2018	USAU	10,000	$12,700	0	$0	0	$0
2017	USAU	97,083	$104,982	0	$0	0	$0

Insider trading activities at 2 companies by Mathewson David C.:

1. Timberline Resources Corp (TLRS)

2. U.s. Gold Corp. (USAU)

Table 1. Insider trading of Timberline Resources Corp (TLRS) by Mathewson David C.

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2021-05-13	TLRS	Buy	350,000	.14	49,000
2018-05-08	TLRS	Buy	625,000	.08	50,000
2018-11-09	TLRS	Buy	625,000	.08	50,000
2018-12-06	TLRS	Buy	250,000	.08	20,000
2019-03-25	TLRS	Buy	500,000	.08	40,000

Table 2. Insider trading of U.s. Gold Corp. (USAU) by Mathewson David C.

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2019-01-31	USAU	Sale	20,000	.96	19,220
2018-03-28	USAU	Buy	10,000	1.27	12,700
2017-11-13	USAU	Buy	10,000	1.40	14,000
2017-11-06	USAU	Buy	10,000	1.39	13,899
2017-06-08	DRAM	Buy	77,083	1.00	77,083

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 Mathewson David C. (Other of Timberline Resources Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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