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 No.: 001-43051
Santacruz
Silver Mining Ltd.
(Translation
of registrant’s name into English)
480
– 1140 West Pender Street
Vancouver,
British Columbia
Canada
V6E 4G1
(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 |
|
Description |
| 99.1 |
|
Press Release dated August 5, 2026 |
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, thereunto duly authorized.
| |
Santacruz
Silver Mining Ltd. |
| |
|
| Date:
August 5, 2026 |
By: |
/s/
Andres Bedregal |
| |
Name: |
Andres
Bedregal |
| |
Title: |
Chief
Financial Officer |
Exhibit
99.1
 |
News
Release
August
5, 2026 |
Santacruz
Silver’s Wholly Owned Bolivian Subsidiary, San Lucas, Successfully Completes Fourth Tranche of 70 Million Bolivian Bolivianos Promissory
Note in the Bolivian Market, Further Advancing Transition from Prior Facility
Vancouver,
B.C. – Santacruz Silver Mining Ltd. (NASDAQ:SCZM) (TSX.V:SCZ) (“Santacruz” or the “Company”)
is pleased to announce that its wholly owned Bolivian subsidiary, Empresa Minera San Lucas S.A. (“San Lucas”), has
successfully completed the fourth offering (the “Offering”) under its promissory note program (the “Program”),
“Pagarés Bursátiles San Lucas – Emisión 4”, in the Bolivian capital markets on August 4, 2026.
The
Offering raised gross proceeds of 70 million Bolivian bolivianos (“Bs” ) through unsecured promissory notes bearing
an annual interest rate of 10.9985% and maturing on July 18, 2027.
The
Program has a maximum authorized amount of Bs 140 million. The first offering of Bs 70 million was completed on February 27, 2025 and
was fully repaid on February 18, 2026. The third offering of Bs 70 million was completed on April 8, 2026, replacing the first offering
under the Program and returning the Program to its maximum authorized amount of Bs 140 million. The second offering of Bs 70 million
was completed on August 8, 2025, and was fully repaid on June 15, 2026. The Offering of Bs 70 million replaces the second offering under
the Program, bringing the Program back to its full authorized amount of Bs 140 million.
The
Offering was completed through the Bolsa Boliviana de Valores and was fully subscribed, reflecting continued support from Bolivian institutional
investors.
Arturo
Préstamo, Executive Chairman and CEO of Santacruz, commented: “The successful completion of this fourth offering demonstrates
the continued confidence that Bolivian investors have in San Lucas and Santacruz. Achieving full placement in today’s market environment
underscores the strength of our operating platform, our disciplined financial management, and our ability to consistently access local
capital. It also reflects the quality and credibility of our business model, with San Lucas playing a key strategic role in strengthening
our operations in Bolivia and supporting long-term value creation for our shareholders.”
Please
refer to the Company’s news releases dated February 27, 2025, August 11, 2025 and April 9, 2026 for details of the first, second
and third offerings, respectively.
*
Bs refers to the Bolivian boliviano (BOB). The official Exchange Rate in Bolivia is BOB 12.08 per US$1.
About
Santacruz Silver Mining Ltd.
Santacruz
Silver is engaged in the operation, acquisition, exploration, and development of mineral properties across Latin America. In Bolivia,
the Company operates the Bolivar, Porco, and Caballo Blanco mining complexes, with Caballo Blanco comprising the Tres Amigos and Colquechaquita
mines. The Reserva mine, whose production is provided to the San Lucas ore sourcing and trading business, is also located in Bolivia.
Additionally, the Company oversees the Soracaya exploration project. In Mexico, Santacruz operates the Zimapan mine.
‘signed’
Arturo
Préstamo Elizondo,
Executive
Chairman and CEO
For
further information, please contact:
Arturo
Préstamo
Santacruz
Silver Mining Ltd.
Email:
info@santacruzsilver.com
Telephone:
+52 81 83 785707
Andrés
Bedregal
Santacruz
Silver Mining Ltd.
Email:
info@santacruzsilver.com
Telephone:
+591 22444849
Eduardo
Torrecillas
Santacruz
Silver Mining Ltd.
Email:
info@santacruzsilver.com
Telephone:
+591 22444849
Neither
the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) nor
the Nasdaq Capital Market LLC accepts responsibility for the adequacy or accuracy of this news release. No stock exchange, securities
commission or other regulatory authority has approved or disapproved the information contained herein.