1. Corporate Officers - S
2. Shepston Michelle H

Insider Trading History of Shepston Michelle H

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) of Shepston Michelle H since 2020. This trader's CIK number is 1683699. At the time of last reporting, Shepston Michelle H was the General Counsel of Sunshine Silver Mining & Refining Co. (stock ticker symbol SSMR). Also see all insider trading activities at Sunshine Silver Mining & Refining Co.

Note that in the past SHEPSTON MICHELLE H also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Sunshine Silver Mining & Refining Co (SSMR) by Shepston Michelle H

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2026	SSMR	5,065	$68,377	0	$0	0	$0

Yearly summary of insider trading at Dmc Global Inc. (BOOM) by Shepston Michelle H

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2024	BOOM	0	$0	0	$0	958	$0
2023	BOOM	0	$0	0	$0	450	$0
2022	BOOM	0	$0	0	$0	291	$0
2021	BOOM	0	$0	1,461	$95,052	6,176	$0
2020	BOOM	0	$0	6,000	$227,550	37	$0

Insider trading activities at 2 companies by Shepston Michelle H:

1. Sunshine Silver Mining & Refining Co (SSMR)

2. Dmc Global Inc. (BOOM)

Table 1. Insider trading of Sunshine Silver Mining & Refining Co (SSMR) by Shepston Michelle H

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2026-06-05	SSMR	Buy	5,065	13.50	68,377

Table 2. Insider trading of Dmc Global Inc. (BOOM) by Shepston Michelle H

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2024-02-23	BOOM	Option Ex	958	.00	0
2023-03-01	BOOM	Option Ex	318	.00	0
2023-02-26	BOOM	Option Ex	132	.00	0
2022-02-26	BOOM	Option Ex	291	.00	0
2021-02-26	BOOM	Option Ex	176	.00	0
2021-02-25	BOOM	Sale	1,461	65.06	95,052
2021-02-27	BOOM	Option Ex	6,000	.00	0
2020-11-16	BOOM	Sale	3,000	40.17	120,510
2020-08-11	BOOM	Sale	3,000	35.68	107,040
2020-02-26	BOOM	Option Ex	37	.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 Shepston Michelle H (General Counsel of Sunshine Silver Mining & Refining Co at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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