Sunshine Silver to join VanEck junior miners ETF
Sunshine Silver Mining & Refining’s shares are being added to the VanEck Junior Gold Miners ETF, which the company expects will boost visibility and trading liquidity.
Rhea-AI Filing Summary
Sunshine Silver Mining & Refining Company (SSMR) announced that its common stock will be added to the VanEck Junior Gold Miners ETF (GDXJ) effective at market close on September 18, 2026. This follows its initial public offering and NYSE listing completed on June 4, 2026.
The company states that ETF inclusion is expected to increase visibility among institutional and retail investors, expand passive ownership and support trading liquidity. Sunshine continues to focus on advancing the Sunshine Mine in Idaho’s Silver Valley toward a planned return to production in late 2028.
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8-K Event Classification
2 items: 7.01, 9.01
2 items
Item 7.01
Regulation FD Disclosure
Disclosure
Material non-public information disclosed under Regulation Fair Disclosure, often investor presentations or guidance.
Item 9.01
Financial Statements and Exhibits
Exhibits
Financial statements, pro forma financial information, or exhibit attachments filed with this report.
Key Figures
GDXJ inclusion effective date: September 18, 2026
IPO and NYSE listing date: June 4, 2026
Planned return to production: Late 2028
3 metrics
GDXJ inclusion effective date
September 18, 2026
Date SSMR common stock is added to the VanEck Junior Gold Miners ETF
IPO and NYSE listing date
June 4, 2026
Date Sunshine completed its initial public offering and began trading on the NYSE
Planned return to production
Late 2028
Targeted timing for Sunshine Mine to return to production
Key Terms
exchange-traded fund, initial public offering, passive ownership, forward-looking statements, +1 more
5 terms
exchange-traded fund financial
"GDXJ is a widely recognized exchange-traded fund that provides investors"
An exchange-traded fund (ETF) is a type of investment fund that holds a collection of assets, such as stocks or bonds, and is traded on stock exchanges like individual stocks. It allows investors to buy and sell a diversified group of investments easily and efficiently, often at a lower cost. ETFs provide a simple way to gain exposure to a broad market or specific sectors without having to buy each asset separately.
initial public offering financial
"three months after Sunshine completed its initial public offering and began"
An initial public offering (IPO) is when a private company first sells its shares to the public and becomes a stock-listed company. It matters because it allows the company to raise money from a wide range of investors, helping it grow, while giving early shareholders a way to sell some of their ownership.
passive ownership financial
"inclusion is expected to increase its visibility ... expand passive ownership"
forward-looking statements regulatory
"This press release contains forward-looking statements, including statements"
Forward-looking statements are predictions or plans that companies share about what they expect to happen in the future, like estimating sales or profits. They matter because they help investors understand a company's outlook, but since they are based on guesses and assumptions, they can sometimes be wrong.
Silver Valley technical
"Sunshine Mine in Idaho’s Silver Valley, the most prolific silver district"
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What did SSMR disclose in this Form 8-K?
Sunshine Silver Mining & Refining Company disclosed that its common stock will be added to the VanEck Junior Gold Miners ETF (GDXJ) effective at market close on September 18, 2026, and furnished the related press release as an exhibit.
When will SSMR be included in the VanEck Junior Gold Miners ETF?
The company states that its common stock will be added to the VanEck Junior Gold Miners ETF (GDXJ) effective at market close on September 18, 2026.
How soon after its IPO is SSMR joining the GDXJ ETF?
Sunshine notes that its inclusion in GDXJ comes about three months after it completed its initial public offering and began trading on the NYSE on June 4, 2026.
What benefits does SSMR expect from inclusion in GDXJ?
The company expects that being part of GDXJ will increase its visibility among institutional and retail investors, expand passive ownership, and support trading liquidity, according to the press release.
What long-term operational goal does SSMR highlight in this disclosure?
Sunshine reiterates its focus on advancing the Sunshine Mine in Idaho’s Silver Valley toward a planned return to production in late 2028, positioning the mine as North America’s highest-grade primary silver resource.
What is the business focus of SSMR mentioned in the filing?
Sunshine Silver Mining & Refining is focused on advancing the Sunshine Mine toward silver production in Idaho’s Silver Valley and is also evaluating opportunities in silver/copper refining and antimony production, as described in the company overview.
AI-generated analysis. How Rhea-AI works. Not financial advice.
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): September 18, 2026
(Exact name of Registrant as Specified in Its Charter)
(State or Other Jurisdiction of Incorporation) | (Commission File Number) | (IRS Employer Identification No.) | ||||||
| (Address of Principal Executive Offices) | (Zip Code) | |||||||
Registrant’s Telephone Number, Including Area Code: (208 ) 783-1700
Not Applicable
(Former Name or Former Address, if Changed Since Last Report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
| Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) | |||||
| Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) | |||||
| Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) | |||||
| Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) | |||||
Securities registered pursuant to Section 12(b) of the Act:
| Title of each class | Trading Symbol(s) | Name of each exchange on which registered | ||||||||||||
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).
Emerging growth company ☑
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐
Item 7.01 Regulation FD Disclosure.
On September 18, 2026, Sunshine Silver Mining & Refining Company issued a press release announcing its inclusion in the VanEck Junior Gold Miners ETF. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K.
The information included herein and in Exhibit 99.1 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act.
Item 9.01 Financial Statements and Exhibits.
(d) Exhibits
| Exhibit No. | Description | |||||||
99.1 | Press Release dated September 18, 2026 | |||||||
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document) | |||||||
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
| SUNSHINE SILVER MINING & REFINING COMPANY | |||||||||||
| Date: September 18, 2026 | By: | /s/ Michelle Shepston | |||||||||
| Michelle Shepston | |||||||||||
| General Counsel | |||||||||||
Sunshine Silver Mining & Refining Announces Inclusion in the VanEck Junior Gold Miners ETF
KELLOGG, Idaho, September 18, 2026 -- Sunshine Silver Mining & Refining Company (the "Company" or "Sunshine") (NYSE:SSMR), a mining company advancing the next chapter of American silver, today announced that its common stock will be added to the VanEck Junior Gold Miners ETF (“GDXJ”) effective at market close on September 18, 2026.
The addition comes only three months after Sunshine completed its initial public offering and began trading on the New York Stock Exchange on June 4, 2026, reflecting the Company’s growing presence as a publicly traded silver equity.
“Inclusion in GDXJ constitutes an important milestone for Sunshine and, we believe, will introduce our story to an even broader group of precious metals investors,” said Heather White, Chief Executive Officer. “As our presence in the public markets expands, our focus remains on disciplined execution and advancing the Sunshine Mine toward a planned return to production in late 2028.”
GDXJ is a widely recognized exchange-traded fund that provides investors with exposure to a portfolio of small- and mid-capitalization companies across the global gold and silver mining sectors. Sunshine’s inclusion is expected to increase its visibility among both institutional and retail investors, expand passive ownership and support trading liquidity.
For more information on the GDXJ, please visit: https://www.vaneck.com/us/en/investments/junior-gold-miners-etf-gdxj/overview/.
About Sunshine Silver Mining & Refining Company
Sunshine Silver Mining & Refining Company is advancing toward silver production from the Sunshine Mine in Idaho’s Silver Valley, the most prolific silver district in U.S. history. The Sunshine Mine is North America’s highest-grade primary silver resource. It is characterized by exceptional size, extraordinary growth potential, existing infrastructure, and a history of proven production. Sunshine, the largest holder of mineral rights in the Silver Valley, also controls a consolidated land position with significant exploration potential and is evaluating additional value opportunities through silver/copper refining and antimony production. For more information, visit www.sunshinesilvermining.com.
Contacts
Investor Relations
ir@silveropp.com
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Media Relations
ssmr@fleishman.com
Cautionary Statements
This press release contains forward-looking statements, including statements regarding the Company’s planned return to production in late 2028 and the expected benefits of Sunshine’s inclusion in the GDXJ. In some cases, forward-looking statements can be identified by words such as “anticipate,” “believe,” “continue,” “estimate,” “expect,” “intend,” “may,” “will,” “could,” “predict” and similar expressions or terminology. These statements are not historical facts but rather are based on the Company's current expectations and projections regarding its business, operations and other factors relating thereto and are subject to a number of known and unknown risks, uncertainties and other factors, including the risk factors set forth in our registration statement on Form S-1 filed with the Securities and Exchange Commission (“SEC”) and other filings that we make from time to time with the SEC, that may cause the actual results, levels of activity, performance or achievements of the Company to be materially different from those expressed or implied by any forward-looking statements. Except to the extent required by law, the Company assumes no obligation to update any of these forward-looking statements or to conform these statements to actual results or revised expectations. We caution you not to place undue reliance on these forward-looking statements.
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