Collective Mining cites 2.58Moz Apollo resource

The scheduled presentation will be streamed live, and materials will be made available on Collective Mining's website.

Rhea-AI Filing Summary

Collective Mining Ltd. announced that Ari Sussman, Executive Chairman, will present at Mining Forum Americas 2026 at The Broadmoor Hotel & Resort in Colorado Springs on September 29, 2026, at 4:10 p.m. Mountain Daylight Time. The forum runs September 27 through September 30, 2026. The presentation will be streamed live, and materials will be made available on the company’s website.

At the Guayabales Project, Apollo hosts a maiden Mineral Resource of 2.58 million ounces AuEq Indicated and 2.83 million ounces AuEq Inferred. Collective states that its resource information under NI 43-101 and the CIM Definition Standards may not be comparable with disclosures by U.S. companies under S-K 1300.

Key Figures

Presentation date and time: September 29, 2026, at 4:10 p.m. Mountain Daylight Time Indicated Mineral Resource: 2.58 million ounces AuEq Indicated resource tonnage: 37.0 million tonnes +5 more

8 metrics

Presentation date and time September 29, 2026, at 4:10 p.m. Mountain Daylight Time Mining Forum Americas 2026

Indicated Mineral Resource 2.58 million ounces AuEq Apollo deposit, Guayabales Project

Indicated resource tonnage 37.0 million tonnes Apollo Indicated Mineral Resource

Indicated resource grade 2.17 g/t AuEq Apollo Indicated Mineral Resource

Inferred Mineral Resource 2.83 million ounces AuEq Apollo deposit, Guayabales Project

Inferred resource tonnage 48.2 million tonnes Apollo Inferred Mineral Resource

Inferred resource grade 1.83 g/t AuEq Apollo Inferred Mineral Resource

Outstanding shares owned 45.2% Management, insiders, a strategic investor, and close family and friends

Key Terms

AuEq, Mineral Resource, Indicated, Inferred, +2 more

6 terms

AuEq technical

"2.58 million ounces AuEq Indicated"

Mineral Resource technical

"hosts a maiden Mineral Resource"

A mineral resource is a naturally occurring concentration of minerals in the ground that is considered valuable and likely recoverable based on geological evidence and preliminary studies. For investors, it signals the potential size and worth of a deposit—like a marked treasure area on a map—while also carrying uncertainty about how much can actually be mined and at what cost, affecting project value and risk.

Indicated technical

"2.58 million ounces AuEq Indicated"

Indicated describes a medical use or patient group for which a drug, device, or treatment has been shown or authorized to work; it's like a label that says which problem the product is meant to fix. For investors, a new or expanded indication can directly change a product’s potential sales and market size, similar to a store adding a new aisle of goods that attracts more customers.

Inferred technical

"2.83 million ounces AuEq Inferred"

Inferred means a conclusion or piece of information drawn from available clues rather than directly observed or confirmed. For investors, an inference is like reading a weather forecast from cloud patterns: it helps form expectations about a company’s performance or risks when hard data is missing, but it carries uncertainty and should be weighed alongside verified facts.

NI 43-101 regulatory

"in accordance with NI 43-101"

A Canadian regulatory standard that sets the rules for how mining and exploration companies must report mineral resources and reserves, requiring technical reports prepared or signed off by an independent, certified expert. It matters to investors because it creates a consistent, transparent “inspection report” for mining projects, making it easier to compare prospects, judge the reliability of claims, and assess geological and financial risk before investing.

S-K 1300 regulatory

"under Subpart 1300 of Regulation S-K"

Regulation S-K Item 1300 is a U.S. securities disclosure rule that requires public companies to report how they manage cybersecurity risks and to promptly disclose material cyber incidents. Think of it as a requirement to tell investors both the company’s “cyber health” plan and any major break-ins, similar to a homeowner explaining their alarm system and alerting neighbors after a burglary. This helps investors assess operational risk and potential financial or reputational impact.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

When will CNL present at Mining Forum Americas 2026?

Ari Sussman, Executive Chairman, will present on September 29, 2026, at 4:10 p.m. Mountain Daylight Time, at The Broadmoor Hotel & Resort in Colorado Springs. The forum runs September 27 through September 30, 2026.

Will the CNL presentation be available online?

Yes. The presentation will be streamed live, and presentation materials will be made available on Collective Mining’s website.

What mineral resources does CNL report at the Apollo deposit?

Apollo hosts a maiden Mineral Resource of 2.58 million ounces AuEq Indicated and 2.83 million ounces AuEq Inferred. The Indicated estimate is 37.0 million tonnes at 2.17 g/t AuEq; the Inferred estimate is 48.2 million tonnes at 1.83 g/t AuEq.

Are CNL’s mineral resource figures comparable with U.S. company disclosures?

Collective states that its Mineral Resource information under NI 43-101 and the CIM Definition Standards may not be comparable with similar information disclosed by U.S. companies under S-K 1300.

What share of CNL is owned by management and related holders?

Management, insiders, a strategic investor, and close family and friends own 45.2% of the company’s outstanding shares.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/23/2026 - 12:27 PM Accepted by SEC EDGAR 09/23/2026 - 12:26 PM Learn about SEC filing dates

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 September 2026

Commission File Number: 001-42170 

Collective Mining Ltd.

(Translation of registrant’s name into English)

201 South Biscayne Boulevard, Suite 2210

Miami, FL 33131

(Address of principal executive office)

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 ☒

EXHIBIT INDEX
EXHIBIT NO.		DESCRIPTION
99.1		Press release dated September 23, 2026

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.

	Collective Mining Ltd.
Date: September 23, 2026
	By:	/s/ Paul Begin
	Name:	Paul Begin
	Title:	Chief Financial Officer and Corporate Secretary

Exhibit 99.1

 

Collective Mining to Present at Mining Forum Americas 2026 in Colorado Springs

MIAMI, Sept. 23, 2026 /CNW/ -- Collective Mining Ltd. (NASDAQ: CNL) (TSX: CNL) ("Collective" or the "Company") is pleased to announce that Ari Sussman, Executive Chairman, will present at Mining Forum Americas 2026, being held from September 27-30, 2026, at The Broadmoor Hotel & Resort in Colorado Springs, CO.

Mr. Sussman will present on Tuesday, September 29, 2026, at 4:10 pm Mountain Daylight Time (MDT) in Bartolin Hall Stage 1.

The presentation will be streamed live and can be viewed at the following link:
https://americas.miningforum.com/member-webcast/4655/ 

Presentation materials will be made available on the Company's website at www.collectivemining.com 

About Collective Mining Ltd.

Founded by the team that developed and sold Continental Gold Inc. to Zijin Mining for approximately $1.4 billion in enterprise value, Collective is a gold, silver, copper and tungsten exploration company with projects in Caldas, Colombia. The Company's two projects are located directly within an established mining camp with ten fully permitted and operating mines.

The Company's flagship project, Guayabales, is anchored by Apollo, a large-scale, bulk-tonnage and high-grade gold-silver-copper-tungsten deposit that now hosts a maiden Mineral Resource of 2.58 million ounces AuEq Indicated (37.0 Mt at a grade of 2.17 g/t AuEq) and 2.83 million ounces AuEq Inferred (48.2 Mt at a grade of 1.83 g/t AuEq). The Company's objectives at the Guayabales Project are to continue expansion and infill drilling at Apollo while advancing technical, environmental and permitting work across the project.

Management, insiders, a strategic investor and close family and friends own 45.2% of the outstanding shares of the Company and, as a result, are fully aligned with shareholders. The Company is listed on both Nasdaq and the TSX under the trading symbol "CNL".

Follow Executive Chairman Ari Sussman (@Ariski73) on X

Follow Collective Mining (@CollectiveCNL) on X, (Collective Mining) on LinkedIn, and (@collectivemining) on Instagram

To see our latest corporate presentation and related information, please visit www.collectivemining.com.

For further information regarding the Apollo Mineral Resource, including the effective date, data verification, key assumptions, parameters and methods used to estimate the Mineral Resource, and related risks, see the Company's news release dated September 8, 2026 entitled "Collective Mining Announces Maiden Mineral Resource for its Apollo Deposit at the Guayabales Project".

Forward Looking Statements

This news release contains "forward-looking statements" and "forward-looking information" within the meaning of applicable securities legislation (collectively, "forward-looking statements"). All statements, other than statements of historical fact, are forward-looking statements and are based on expectations, estimates and projections as at the date of this news release. Any statement that involves discussion with respect to predictions, expectations, beliefs, plans, projections, objectives, assumptions, future events or performance (often, but not always using phrases such as "plans", "expects", "is expected", "budget", "scheduled", "estimates", "forecasts", "intends", "anticipates", or "believes" or variations (including negative 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) are not statements of historical fact and may be forward-looking statements. In this news release, forward-looking statements relate, among other things, to the anticipated advancement of mineral properties or programs; future operations; future metal recovery rates; future growth potential of Collective; and future development plans.

These forward-looking statements, and any assumptions upon which they are based, are made in good faith and reflect our current judgment regarding future events including the direction of our business. Management believes that these assumptions are reasonable. Forward-looking statements involve known and unknown risks, uncertainties and other factors which may cause the actual results, performance or achievements of the Company to be materially different from any future results, performance or achievements expressed or implied by the forward-looking statements. Such factors include, among others: risks related to the speculative nature of the Company's business; the Company's formative stage of development; the Company's financial position; possible variations in mineralization, grade or recovery rates; actual results of current exploration activities; conclusions of future economic evaluations; fluctuations in general macroeconomic conditions; fluctuations in securities markets; fluctuations in spot and forward prices of gold, precious and base metals or certain other commodities; fluctuations in currency markets; changes in national and local government, legislation, taxation, controls, regulations and political or economic developments; risks and hazards associated with the business of mineral exploration, development and mining (including environmental hazards, industrial accidents, unusual or unexpected formation pressures, cave-ins and flooding); inability to obtain adequate insurance to cover risks and hazards; the presence of laws and regulations that may impose restrictions on mining; employee relations; relationships with and claims by local communities and indigenous populations; availability and increasing costs associated with mining inputs and labor; the speculative nature of mineral exploration and development (including the risks of obtaining necessary licenses, permits and approvals from government authorities); and title to properties, as well as those risk factors discussed or referred to in the annual information form of the Company dated March 30, 2026. Forward-looking statements contained herein are made as of the date of this news release and the Company disclaims any obligation to update any forward-looking statements, whether as a result of new information, future events or results, except as may be required by applicable securities laws. There can be no assurance that forward-looking statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements and there may be other factors that cause results not to be anticipated, estimated or intended. Accordingly, readers should not place undue reliance on forward-looking statements. Readers should refer to the Risks section in the Company's Annual Information Form, dated March 30, 2026.

Cautionary Note to United States Investors

The Company is a Canadian issuer that reports its Mineral Resource information in accordance with NI 43-101 and the CIM Definition Standards, which differ from the mineral property disclosure requirements applicable to U.S. domestic issuers under Subpart 1300 of Regulation S-K ("S-K 1300"). As a foreign private issuer eligible to file reports with the U.S. Securities and Exchange Commission pursuant to the U.S.-Canada Multijurisdictional Disclosure System, the Company is not currently required to prepare its mineral property disclosure in accordance with S-K 1300. Accordingly, Mineral Resource information contained in this news release may not be comparable to similar information disclosed by U.S. companies subject to S-K 1300, and there can be no assurance that Mineral Resources reported by the Company under NI 43-101 would be the same if prepared in accordance with S-K 1300.

SOURCE Collective Mining Ltd.

View original content to download multimedia: http://www.newswire.ca/en/releases/archive/September2026/23/c6146.html

%CIK: 0001953575

For further information: Investors and Media: Eduardo Cervantes, Vice President, Corporate Development & Investor Relations, Collective Mining Ltd., e.cervantes@collectivemining.com

CO: Collective Mining Ltd.

CNW 12:00e 23-SEP-26

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