SSMR on NYSE

Sunshine Silver Mining & Refining Co

American Gold and Silver Ores company based in Kellogg, active since 2020. Summary from the record

Price unavailable

Last updated Oct 19, 2026.

Overview

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TickerSSMR on NYSE²
IndustryGold and Silver Ores²
HeadquartersWilmington, United States²
Incorporated inDE³
Business address2209 Big Creek Road, Kellogg, Id 83837-5011³
Filer category, Emerging growth company³
Legal formCorporation²
LEI529900DM8B1YHVGUTA53²
StatusActive²
LEI statusIssued and current²
Registered addressc/o NATIONAL REGISTERED AGENTS, INC., 1209 ORANGE STREET, 19801 Wilmington, United States²
Registered withDivision of Corporations, Department of State, 3902651²

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Leadership

Who has led Sunshine Silver Mining & Refining Co, and when. Pick a name to see everywhere that person has worked.

Chief financial officer

Niekerk Pieter A. Van2026–now

Chief financial officerNiekerk Pieter A. Van Jun 3, 2026 to now⁴

Board members and other officers (8)

Board memberAli Erfan Jun 3, 2026 to now⁵
Board memberAnna El-Erian Jun 3, 2026 to now⁶
Board memberDouglas Groh Jun 3, 2026 to now⁷
Board memberLawrence P. Radford Jun 3, 2026 to now⁸
Board memberNathan John Ebeling Jun 3, 2026 to now⁹
Board memberPaul H. Zink Jun 3, 2026 to now¹⁰
Board memberQuintanilla Daniel Muniz Jun 3, 2026 to now¹¹
General counselMichelle H. Shepston Jun 3, 2026 to now¹²

Named in SEC Form D filings

People the company listed in its private-offering notices.

Executive OfficerHeather Andries White named Oct 21, 2025¹³
Executive OfficerPieter Andries van Niekerk named Oct 21, 2025¹³
DirectorDaniel Muniz Quintanilla named Oct 21, 2025¹³
DirectorJeb Muniz Burns named Oct 21, 2025¹³
DirectorPeter Muniz Cheesbrough named Oct 21, 2025¹³
DirectorThomas Kaplan named Oct 21, 2025¹³

Timeline

Oct 15, 2020Founded Sunshine Silver Mining & Refining Co is founded²

Filings

42 filings to the SEC since October 2021: 1 quarterly reports, 4 major events, 25 insider forms, 2 large holders, 1 private raises, 9 other. The latest 20:

Sep 21, 20268-K EDGAR
Sep 18, 20268-K EDGAR
Aug 12, 20268-K EDGAR
Aug 12, 202610-Q EDGAR
Aug 10, 2026SCHEDULE 13G EDGAR
Aug 7, 2026SCHEDULE 13G EDGAR
Jul 23, 20268-K EDGAR
Jun 8, 20264 EDGAR
Jun 8, 20264 EDGAR
Jun 8, 20264 EDGAR
Jun 8, 20264 EDGAR
Jun 8, 20264 EDGAR
Jun 8, 20264 EDGAR
Jun 8, 20264 EDGAR
Jun 8, 20264 EDGAR
Jun 8, 20264 EDGAR
Jun 8, 20264 EDGAR
Jun 8, 20264 EDGAR
Jun 8, 20264 EDGAR
Jun 5, 2026S-8 EDGAR

The 42 filings since October 2021 can be filtered by form type and year here when JavaScript is on.

Every filing from the last five years, summarized. The full record is on SEC EDGAR.

Insider trades

6 open-market trades by officers, directors and large owners since October 2021: 5 buys and 1 sales. Grants, option exercises and gifts are left out.

Date	Who	Trade	Shares	Price	Value	Filing
Jun 5, 2026	Ospraie Holding I, L.P.10% owner	Sale	555,555	$13.50	$7.5M	Form 4
Jun 5, 2026	SHEPSTON MICHELLE HGeneral Counsel	Buy	5,065	$13.50	$68.4K	Form 4
Jun 5, 2026	White Heather EileenChief Executive Officer	Buy	2,000	$13.50	$27.0K	Form 4
Jun 5, 2026	Radford Lawrence PDirector	Buy	2,500	$13.50	$33.8K	Form 4
Jun 5, 2026	Groh DouglasDirector	Buy	10,000	$13.50	$135.0K	Form 4
Jun 5, 2026	El-Erian AnnaDirector	Buy	40,000	$13.50	$540.0K	Form 4

From Forms 4 filed with the SEC.

Major holders

Investors who own more than 5% of the shares must tell the SEC: a 13D if they may seek to influence the company, a 13G if they hold passively.

Ospraie Real Assets Fund LPSCHEDULE 13G, 1 filing Aug 10, 2026¹⁴
Electrum Silver US LLCSCHEDULE 13G, 1 filing Aug 7, 2026¹⁵

Money raised

Private offerings the company reported to the SEC on Form D.

Jul 15, 2025Raised $48.9 million in a private offering of equity Form D: $75 million offered in all Form D

Held by these funds

The largest holders among investment managers' 13F reports for the quarter ending Jun 30, 2026, the top 25 of 49. Change is in shares since the quarter before.

Fund	Shares	Value	Share of the fund	Change
Electrum Group LLC	85,364,838	$1.1B	33.3%	New
Anson Funds Management LP	2,440,495	$32.3M	2.9%	New
Sprott Inc.	2,436,910	$32.2M	1.1%	New
Franklin Resources Inc	2,000,000	$26.4M	0.0%	New
Lingotto Investment Management LLP	2,000,000	$26.4M	0.6%	New
Ameriprise Financial Inc	1,309,716	$17.3M	0.0%	New
Amundi	1,305,534	$17.3M	0.0%	New
Phoenix Financial Ltd.	1,230,000	$16.3M	0.1%	New
Van Eck Associates Corp	1,011,578	$13.4M	0.0%	New
Norges Bank	1,000,000	$13.2M	0.0%	New
Jupiter Asset Management Ltd	950,000	$12.6M	0.1%	New
Teacher Retirement System Of Texas	800,000	$10.6M	0.0%	New
Yaupon Capital Management LP	750,000	$9.9M	0.3%	New
Ninepoint Partners LP	700,000	$9.3M	0.8%	New
Ninety One UK Ltd	691,444	$9.1M	0.0%	New
Jupiter Topco LLC	658,956	$8.9M	0.0%	New
Pentwater Capital Management LP	439,400	$5.8M	0.0%	New
Groupe la Francaise	300,000	$4.0M	0.0%	New
Moore Capital Management, LP	300,000	$4.0M	0.1%	New
Empyrean Capital Partners, LP	237,000	$3.1M	0.1%	New
Millennium Management LLC	232,231	$3.1M	0.0%	New
Goldman Sachs Group Inc	222,803	$2.9M	0.0%	New
Vanguard Capital Management LLC	152,933	$2.0M	0.0%	New
Royal Bank Of Canada	150,000	$2.0M	0.0%	New
Fmr LLC	145,000	$1.9M	0.0%	New

13F reports cover disclosed long positions in U.S. stocks only.

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARSunshine Silver Mining & Refining Co filings on SEC EDGAR
2
GLEIFSunshine Silver Mining & Refining Co LEI record (529900DM8B1YHVGUTA53)
3
SEC EDGARSunshine Silver Mining & Refining Co filings on SEC EDGAR
4
SEC EDGARNiekerk Pieter A. Van, Chief financial officer
5
SEC EDGARAli Erfan, Board member
6
SEC EDGARAnna El-Erian, Board member
7
SEC EDGARDouglas Groh, Board member
8
SEC EDGARLawrence P. Radford, Board member
9
SEC EDGARNathan John Ebeling, Board member
10
SEC EDGARPaul H. Zink, Board member
11
SEC EDGARQuintanilla Daniel Muniz, Board member
12
SEC EDGARMichelle H. Shepston, General counsel
13
SEC EDGARSunshine Silver Mining & Refining Co Form D naming Heather Andries White
14
SEC EDGAROspraie Real Assets Fund LP SCHEDULE 13G on Sunshine Silver Mining & Refining Co
15
SEC EDGARElectrum Silver US LLC SCHEDULE 13G on Sunshine Silver Mining & Refining Co