Aris Mining (NYSE: ARIS) files new WKSI shelf and targets 500k oz output

Rhea-AI Filing Summary

Aris Mining Corporation has filed a well-known seasoned issuer (WKSI) base shelf prospectus in Canada and a related registration statement on Form F-10 with the U.S. Securities and Exchange Commission, replacing its 2024 base shelf to maintain financing flexibility. The company states it has no current plans to issue securities under this shelf and notes it has not completed an equity financing since February 2021.

Aris Mining operates the Segovia and Marmato underground gold mines in Colombia, which together produced approximately 257,000 ounces of gold in 2025. Expansion projects at these mines are expected to lift annual production to about 500,000 ounces, supported by a second mill at Segovia completed in June 2025 and first gold from the new Marmato bulk mine and CIP plant targeted for Q4 2026. Longer term, the portfolio, including the Soto Norte and Toroparu projects, supports an objective of approximately 1 million ounces of annual gold production, based in part on a preliminary economic assessment for Toroparu that contemplates a 7.0 Mtpa operation over 21.3 years with average annual gold output of about 235,000 ounces at a base case gold price of US$3,000 per ounce.

Key Figures

Gold production 2025: 257,000 ounces Target annual production after expansions: 500,000 ounces Segovia steady-state production: 300 thousand ounces +5 more

8 metrics

Gold production 2025 257,000 ounces Combined production from Segovia and Marmato underground gold mines in 2025

Target annual production after expansions 500,000 ounces Expected combined steady-state annual gold production from Segovia and Marmato

Segovia steady-state production 300 thousand ounces Expected annual gold production at Segovia after expansion and ramp-up

Marmato steady-state production 200 koz Expected annual gold production at Marmato after expansion and ramp-up

Long-term production objective 1 million ounces Approximate annual gold production objective supported by Aris Mining’s portfolio

Toroparu plant capacity 7.0 Mtpa Processing rate contemplated in the Toroparu preliminary economic assessment

Toroparu mine life 21.3 years Mine life contemplated in the Toroparu preliminary economic assessment

Toroparu average annual gold production 235 koz Average annual gold production in Toroparu preliminary economic assessment at base case gold price

Key Terms

well-known seasoned issuer, base shelf prospectus, Form F-10, preliminary economic assessment, +2 more

6 terms

well-known seasoned issuer regulatory

"it has filed a well-known seasoned issuer (WKSI) base shelf prospectus"

A well-known seasoned issuer (WKSI) is a large, established public company that meets regulatory size and reporting tests and is granted special, faster options to sell new securities to raise money. Think of it like a trusted borrower with a standing credit line: investors and markets see it as more familiar and the company can access capital quickly with less paperwork, which can affect share supply and investor returns.

base shelf prospectus regulatory

"filed a well-known seasoned issuer (WKSI) base shelf prospectus in Canada"

A base shelf prospectus is a pre-approved regulatory document that lets a company register a range of securities once and then sell them to the public over time without repeating the full approval process for each offering. For investors it’s like a menu and standing permission slip: it lays out the types of securities, key risks and terms ahead of any specific sale, so buyers can assess potential dilution, timing and the company’s plans before new shares or debt hit the market.

Form F-10 regulatory

"a related registration statement on Form F-10 with the U.S. Securities and Exchange Commission"

Form F-10 is a standardized prospectus document filed with Canadian securities regulators when a Canadian company offers shares or other securities to the public. It lays out the company’s business, financial results, management, and risks—like a detailed product label that helps investors compare what they’re buying and understand potential downsides. For investors, the form matters because it provides the core information needed to evaluate the safety, value and terms of a public securities offering.

preliminary economic assessment financial

"which is based on a preliminary economic assessment effective October 21, 2025"

A preliminary economic assessment is an initial analysis that estimates the potential profitability and feasibility of a project or resource, such as a new mineral deposit or development venture. It provides a rough idea of costs, benefits, and risks, helping investors decide whether to pursue more detailed studies. This early evaluation is important because it offers a snapshot of whether the project is worth further investment and development.

inferred mineral resources financial

"includes inferred mineral resources that are considered too speculative geologically"

An inferred mineral resource is an estimate of the quantity and grade of minerals in the ground based on limited sampling and geological information, where confidence is low and continuity is uncertain. For investors it signals potential value but also higher risk—like a rough sketch of a hidden treasure that requires much more exploration and testing before you can reliably judge its size or economic worth.

National Instrument 43-101 regulatory

"a Qualified Person as defined by National Instrument 43-101 (NI 43-101)"

National Instrument 43-101 is a set of rules and guidelines that govern how mineral exploration and mining companies must report information about their projects. It ensures that the details shared with investors are accurate, consistent, and reliable—similar to how a detailed, verified blueprint ensures a building’s safety. This helps investors make informed decisions based on trustworthy information about a company's mineral resources.

Offering Details

shelf

Offering

Offering Type shelf

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FAQ

What did Aris Mining (ARIS) announce in this Form 6-K?

Aris Mining announced it filed a WKSI base shelf prospectus in Canada and a related Form F-10 registration statement in the U.S., replacing its 2024 base shelf and maintaining financing flexibility, while stating it has no current plans to issue securities under the shelf.

Does Aris Mining (ARIS) plan to raise equity capital under the new shelf?

Aris Mining states it has no current plans to issue securities under the new WKSI base shelf prospectus. It also notes that neither the company nor its subsidiaries has completed an equity financing since February 2021, when Aris Gold Corporation completed its last equity financing.

What were Aris Mining (ARIS) gold production levels in 2025?

In 2025, Aris Mining’s Segovia and Marmato underground mines in Colombia together produced approximately 257,000 ounces of gold. These two operations are the current core producing assets and underpin the company’s planned expansion toward higher annual gold output in the coming years.

What production growth is Aris Mining (ARIS) targeting from Segovia and Marmato?

Aris Mining expects expansion projects at Segovia and Marmato to increase annual gold production to about 500,000 ounces. This is driven by a second mill at Segovia completed in June 2025 and the new Marmato bulk mine and CIP plant, with first gold targeted in Q4 2026.

What is Aris Mining’s (ARIS) longer-term production objective?

Aris Mining’s portfolio supports a longer-term objective of approximately 1 million ounces of annual gold production. This goal includes potential contributions from the Soto Norte and Toroparu projects, with Toroparu supported by a preliminary economic assessment outlining its potential scale and life.

What are the key assumptions for the Toroparu project in Aris Mining’s (ARIS) plans?

The Toroparu project preliminary economic assessment contemplates a 7.0 Mtpa operation over a 21.3-year mine life, averaging about 235,000 ounces of gold per year at a base case gold price of US$3,000/oz, with a construction decision expected in early 2027.

Is the Aris Mining (ARIS) news release an offer to sell securities?

No. The company states this news release does not constitute an offer to sell or a solicitation of an offer to buy any securities. It explains that the WKSI base shelf prospectus and Form F-10 are filed to maintain future financing flexibility only.

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER
PURSUANT TO RULE 13a-16 OR 15d-16
UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of July 2026

Commission File Number: 001-41794

Aris Mining Corporation
(Translation of registrant's name into English)

Suite 2400 - 1021 West Hastings St., Vancouver, BC, Canada V6E 0C3

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☐      Form 40-F ☒

SIGNATURES

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, thereunto duly authorized.

	ARIS MINING CORPORATION
Date: July 30, 2026	By:	(s) Ashley Baker
		Ashley Baker
		Chief Legal Officer

EXHIBIT INDEX
Exhibit Number		Description
99.1		Press Release dated July 30, 2026

Exhibit 99.1

NEWS RELEASE   TSX & NYSE: ARIS aris-mining.com

ARIS MINING FILES WKSI BASE SHELF PROSPECTUS

Replacing existing base shelf prospectus filed in 2024

Vancouver, Canada, July 30, 2026 – Aris Mining Corporation (Aris Mining or the Company) (TSX: ARIS; NYSE: ARIS) announces that it has filed a well-known seasoned issuer (WKSI) base shelf prospectus in Canada and a related registration statement on Form F-10 with the U.S. Securities and Exchange Commission, replacing its existing base shelf prospectus filed in 2024.

The filings maintain the Company’s financing flexibility. Aris Mining has no current plans to issue securities under the base shelf prospectus. Neither Aris Mining nor its subsidiaries have completed an equity financing since February 2021, when Aris Gold Corporation, now a subsidiary of Aris Mining, completed its last equity financing.

This news release does not constitute an offer to sell or a solicitation of an offer to buy any securities.

About Aris Mining

Aris Mining is a Canadian gold mining company focused on South America. The Company operates the Segovia and Marmato underground gold mines in Colombia, which together produced approximately 257,000 ounces of gold in 2025. Aris Mining is listed on the Toronto Stock Exchange and the New York Stock Exchange under the symbol ARIS.

The Company is advancing expansion projects at Segovia and Marmato that are expected to increase annual gold production to approximately 500,000 ounces¹, driven by the ramp-up at Segovia following the installation of the second mill which was completed in June 2025, and construction of the new Marmato bulk mine and CIP plant, with first gold expected in Q4 2026.

Aris Mining’s portfolio supports a longer-term objective of approximately 1 million ounces of annual gold production². Key projects include the high-grade Soto Norte gold project in Colombia and the Toroparu gold project in Guyana, where a Prefeasibility Study is in progress and a construction decision is expected in early 2027.

Additional information on Aris Mining can be found at www.aris-mining.com, www.sedarplus.ca, and on www.sec.gov.

Aris Mining Contact

Oliver Dachsel Senior Vice President, Capital Markets +1.917.847.0063 Lillian Chow Director, Investor Relations & Communications info@aris-mining.com

¹ Reflects expected steady-state annual gold production of approximately 300 thousand ounces (koz) at Segovia and 200 koz at Marmato following completion and ramp-up of the respective expansion projects. For more information, please refer to the Company’s news releases dated June 30, 2025 regarding the Segovia expansion and March 12, 2025 regarding the Marmato expansion.

² Includes potential production estimates from Toroparu, which is based on a preliminary economic assessment effective October 21, 2025, which contemplates a 7.0 Mtpa operation over a 21.3-year mine life with average annual gold production of approximately 235 koz at a base case gold price of US$3,000/oz. The preliminary economic assessment is preliminary in nature and includes inferred mineral resources that are considered too speculative geologically to have the economic considerations applied to them that would enable them to be categorized as mineral reserves, and there is no certainty that the preliminary economic assessment will be realized. Mineral resources that are not mineral reserves do not have demonstrated economic viability. There can be no assurance that the projected production will be achieved. Such production also remains subject to obtaining all necessary permits and to formal construction decisions by the Company, in each case for both Soto Norte and Toroparu.

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NEWS RELEASE   TSX & NYSE: ARIS aris-mining.com

Qualified Person and Technical Information

Pamela De Mark, P.Geo., Senior Vice President Geology and Exploration of Aris Mining, is a Qualified Person as defined by National Instrument 43-101 (NI 43-101), and has reviewed and approved the technical information contained in this news release.

Forward-Looking Information

This news release contains “forward-looking information” or “forward-looking statements” within the meaning of Canadian securities legislation. All statements included herein, other than statements of historical fact, including, without limitation, statements relating to the Company’s equity financing plans, the Company’s ability to deliver on its 2026 objectives, updates and timing for completion, first gold pour and ramp-up at the Marmato CIP plant, the Company’s longer-term growth outlook, the timeline for a Prefeasibility Study and construction decision for the Toroparu Project, the objective of reaching 1 million ounces of gold production, are forward-looking. Generally, the forward-looking information and forward looking statements can be identified by the use of forward looking terminology such as “plans”, “expects” or “does not expect”, “is expected”, “budget”, “scheduled”, “estimates”, “forecasts”, “intends”, “anticipates” or “does not anticipate”, “will continue” or “believes”, or variations of such words and phrases or state that certain actions, events or results “may”, “could”, “would”, “might” or “will be taken”, “occur” or “be achieved”. The material factors or assumptions used to develop forward looking information or statements are disclosed throughout this news release.

Forward looking information and forward looking statements, while based on management’s best estimates and assumptions, are subject to known and unknown risks, uncertainties and other factors that may cause the actual results, level of activity, performance or achievements of Aris Mining to be materially different from those expressed or implied by such forward-looking information or forward looking statements, including but not limited to those factors discussed in the section entitled “Risk Factors” in Aris Mining’s annual information form dated March 11, 2026 which is available on SEDAR+ at www.sedarplus.ca and included as part of the Company’s Annual report on Form 40-F, filed with the SEC at www.sec.gov.

Although Aris Mining has attempted to identify important factors that could cause actual results to differ materially from those contained in forward-looking information and forward-looking statements, there may be other factors that cause results not to be as anticipated, estimated or intended. There can be no assurance that such information or statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such information or statements. The Company discloses in its Management’s Discussion and Analysis and other publicly filed documents, changes to material factors or assumptions underlying the forward-looking information and forward-looking statements and to the validity of the information, in the period the changes occur. The forward-looking statements and forward-looking information are made as of the date hereof and Aris Mining disclaims any obligation to update any such factors or to publicly announce the result of any revisions to any of the forward-looking statements or forward-looking information contained herein to reflect future results. Accordingly, readers should not place undue reliance on forward-looking statements and information.

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Filing Exhibits & Attachments

1 document

Press Releases

• EX-99.1 EXHIBIT 99.1 25.2 KB