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Endeavour Silver (NYSE: EXK) mine idled by community blockade

(Neutral)
(Neutral)
Form Type
6-K

Rhea-AI Filing Summary

Endeavour Silver Corp. (EXK) reports a material operational disruption at its Terronera mine in Jalisco, Mexico. Operations have been temporarily suspended since August 12, 2026 due to what the company describes as an illegal blockade by members of a nearby Ejido community concerning local services, water access and financial assistance.

As of the related news release on August 16, 2026, the blockade was described as peaceful and the site remained staffed with a reduced workforce to maintain safety, security and essential maintenance. Endeavour Silver states it is in active discussions with community leaders to resolve the situation and notes it may pursue legal remedies if the disruption is prolonged.

Positive

  • None.

Negative

  • Terronera mine operations suspended since August 12, 2026 due to a community blockade, creating operational disruption and uncertainty around the timing of a return to full production.
Date operations suspended August 12, 2026 Terronera mine operations temporarily suspended from this date due to a blockade
Date of material change August 15, 2026 Formal date of material change reported under Form 51-102F3
News release date August 16, 2026 Date the company disseminated a news release describing the material change
Date of report August 18, 2026 Date of the Material Change Report signed on behalf of Endeavour Silver
Material Change Report regulatory
"Form 51-102F3 MATERIAL CHANGE REPORT Item 1."
A material change report is a public notice that a company must file and share whenever new information or an event is significant enough to likely influence an investor’s decision. Think of it like an urgent update board that tells shareholders about big shifts—such as major deals, leadership changes, sudden losses, or legal issues—so investors can reassess risk and value with the same facts everyone else has.
National Instrument 51-102 regulatory
"Reliance on subsection 7.1(2) of National Instrument 51-102"
National Instrument 51-102 is a Canadian securities rule that requires public companies to regularly publish clear, standardized information about their finances and significant developments, such as quarterly and annual reports, management discussion and analysis, and notices of material changes. For investors it acts like a rule forcing businesses to keep their financial “windows” clear and up to date, making it easier to compare companies, spot risks, and make informed decisions.
Ejido community other
"illegal blockade by members of the nearby Ejido community"

FAQ

What material change did Endeavour Silver Corp. (EXK) report in August 2026?

Endeavour Silver reported a temporary suspension of operations at its Terronera mine in Jalisco, Mexico, effective August 12, 2026, due to a blockade by members of a nearby Ejido community over local services and financial concerns.

When were operations at Endeavour Silver’s Terronera mine suspended?

Operations at the Terronera mine have been temporarily suspended since August 12, 2026. A reduced workforce remains on site to maintain safety, security and maintenance activities while the company engages with community leaders.

What are the Ejido community’s concerns affecting Endeavour Silver’s Terronera mine?

The nearby Ejido community raised concerns over road maintenance, medical and communication assistance, control and access to water supply, and increased financial assistance, leading to a blockade that has temporarily halted normal operations at Terronera.

How is Endeavour Silver (EXK) responding to the Terronera mine blockade?

Endeavour Silver is in active discussions with Ejido community leaders to resolve the blockade and resume full operations and indicates it may exercise available legal remedies if the situation continues for an extended period.

Is the Terronera mine site still staffed during the suspension of operations?

Yes. Endeavour Silver states the site remains staffed with a reduced workforce to support safety and security protocols and allow continued access for maintenance activities while the blockade remains in place.

When did Endeavour Silver (EXK) issue the news release on this material change?

The company disseminated a news release on the Terronera mine situation on August 16, 2026 through GlobeNewswire, and a copy was subsequently filed on SEDAR+ as part of its material change reporting obligations.

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

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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 August 2026

Commission File Number: 001-33153

ENDEAVOUR SILVER CORP.
(Translation of registrant's name into English)

#1130-609 Granville Street
Vancouver, British Columbia, Canada V7Y 1G5

(Address of principal executive offices)

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

[   ] Form 20-F   [ x ] Form 40-F


Incorporated by Reference

Exhibit 99.1 to this Form 6-K of Endeavour Silver Corp. (the “Company”) is hereby incorporated by reference as exhibits to the Registration Statement on Form F-10 (File No. 333-287602) of the Company, as amended or supplemented.

 

SUBMITTED HEREWITH

Exhibit   Description
   
99.1   Material Change Report dated August 18, 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.

  Endeavour Silver Corp.
  (Registrant)
     
Date: August 19, 2026 By: /s/ Daniel Dickson
    Daniel Dickson
  Title: CEO



Form 51-102F3

MATERIAL CHANGE REPORT

Item 1. Name and Address of Reporting Issuer

Endeavour Silver Corp. (the "Company" or "Endeavour")

Suite 1130 - 609 Granville Street

Vancouver, British Columbia

V7Y 1G5

Item 2. Date of Material Change

August 15, 2026

Item 3. News Release

The news release describing the material change was disseminated by the Company August 16, 2026, through GlobeNewswire and a copy was subsequently filed on SEDAR+.

Item 4. Summary of Material Change

The Company announced that operations at its Terronera mine in Jalisco, Mexico, have been temporarily suspended since August 12th as a result of an illegal blockade by members of the nearby Ejido community.

Item 5. Full Description of Material Change

5.1 Full Description of Material Change

The Company announced that operations at its Terronera mine in Jalisco, Mexico, have been temporarily suspended since August 12th as a result of an illegal blockade by members of the nearby Ejido community regarding their concerns over road maintenance, assistance with medical services and communications, control and access to water supply and increased financial assistance.

As of the date of the news release, the blockade remained peaceful, orderly and respectful, and the site remained staffed with a reduced workforce to support safety and security protocols and continued to be accessible for maintenance activities.

The Company also announced that it was continuing active discussions with Ejido community leaders to resolve the matter and resume full operations as soon as possible. The Company noted that it has the ability to pursue legal action and will exercise all available legal remedies if the matter is prolonged.

Item 6. Reliance on subsection 7.1(2) of National Instrument 51-102

Not applicable.

Item 7. Omitted Information

No information has been omitted on the basis that it is confidential information.


Item 8. Executive Officer

The name and business number of the executive officer of the Company who is knowledgeable of the material change and this report is:

Elizabeth Senez

Chief Financial Officer

Tel: 236-558-7168

Item 9. Date of Report

August 18, 2026


Filing Exhibits & Attachments

1 document