South Star Battery Metals (STSBF) Stock News

South Star (OTCQB: STSBF) reported June 2026 operational results for its Santa Cruz graphite plant in Brazil. Run-of-mine (ROM) feed rose from 1,337.5 tonnes in April and 3,798.5 tonnes in May to 4,920.1 tonnes in June, roughly a 30% month-on-month increase.

According to South Star, graphite concentrate production doubled from May to June, while reagent consumption remained controlled, supporting improved process efficiency. The plant now operates in a stable regime producing 95% carbon flake graphite, with 100% of June concentrate meeting commercial specifications and plant utilization and metallurgical recovery trending toward targeted performance.

South Star (OTCQB: STSBF) reported May 2026 operational progress at its Santa Cruz graphite plant, including the first shipment of graphite concentrate and completion of commissioning in early May.

Run-of-mine feed rose from 1,337.5 tonnes in April to 3,798.5 tonnes in May, totaling about 5,136 tonnes processed and roughly 25 tonnes of concentrate produced, with grades up to 97% carbon. The plant has moved from a single 9-hour shift to continuous 24-hour operations, and the company is optimizing processes to reach its near-term target of 5,000 tonnes per year of graphite concentrate.

South Star Battery Metals (STSBF)/b) announced that interim CEO, President and director increased his stake through a private placement. The company is conducting a non-brokered Offering of up to 32,000,000 shares at C$0.15 for gross proceeds of up to C$4.8 million.

On May 15, 2026, the first tranche closed, with Cunha acquiring 15,413,333 shares via SPO, bringing his holdings to 41,456,085 shares and 13,900,000 warrants, representing 38.23% ownership on a non-diluted basis and 45.25% on a partially diluted basis.

South Star Battery Metals (OTCQB: STSBF) reports Santa Cruz plant restart delivered a successful first week of operations with no mechanical or electrical issues reported. The plant restarted approximately three months ahead of schedule and is operating single-shift while management plans to scale to 5,000 tonnes/year of concentrate as workforce training continues. The Board will pursue alternative financing after discussions with Sprott to support growth at Santa Cruz.

South Star Battery Metals (OTCQB: STSBF) restarted the Santa Cruz plant on April 7, 2026, beginning no-load testing that will move to load conditions after positive results. Major upgrades installed include the scrubber/trommel, discharge pump and tank, electrical systems, drying system and filter press feed pump.

Management said the re-start is nearly three months ahead of schedule, with recent heavy rainfall only slightly affecting installations. A qualified person, Marc Leduc P.Eng, reviewed the technical information.

South Star Battery Metals has achieved two significant milestones: selection for Brazil's R$5B Strategic Minerals Funding Program and completion of its maiden graphite shipment from Santa Cruz Mine. The company was chosen by BNDES and FINEP for potential funding to expand production and innovation in strategic minerals. The first shipment of natural flake graphite left on June 5th, 2025 for North America, marking South Star's transition to commercial production. Santa Cruz Phase 1 represents the first new graphite production in the Americas since 1996, with permits allowing expansion to 50,000 tpy. However, the operation faces challenges including extreme weather conditions and underperforming equipment. The company has appointed Rogerio Barcellos Leite as Director of Operations to optimize processes and improve performance. The mine has maintained an impressive safety record with 916 days without lost-time incidents.

South Star Battery Metals has achieved a significant milestone with the first production and shipment of natural flake graphite concentrates from its Santa Cruz Graphite Mine in Bahia, Brazil. The mine represents the first new commercial graphite production in the Americas since 1996. The facility is licensed for up to 50,000 tonnes per year of concentrates. Phase 1 operations aim to produce 3,500-4,000 metric tonnes in 2025, scaling to 10,000 tonnes in 2026. The plant maintains 92% mechanical availability and processes ore with 2.8-3.5% graphite carbon content. Production quality shows 92-96% graphitic carbon concentrates, with a flake size distribution of 65% coarse and 35% fines material. The operation has achieved impressive safety metrics with zero lost-time incidents over 887 days and 389,650 manhours.

South Star Battery Metals (TSXV:STS)(OTCQB:STSBF) has announced the appointment of Tiago Cunha to its board of directors. Cunha, who serves as the manager of equity at Ace Capital, brings extensive experience in mineral resources and energy transition to the company.

CEO Richard Pearce welcomed Cunha's appointment, highlighting his role as a cornerstone supporter of South Star through Ace Capital. The company views this addition as strategically important as they focus on expanding their graphite production amid complex geopolitical conditions.

South Star Battery Metals (TSXV:STS)(OTCQB:STSBF) has signed a Memorandum of Understanding (MOU) with the University of Alabama's Alabama Mobility and Power Center (AMP) to develop battery anode materials in the United States. The partnership will encompass four phases: R&D Development, Pilot Demonstration, Commercial Demonstration, and Commercial-Scale Manufacturing.

South Star will serve as the primary supplier of natural-flake graphite concentrate and AMP's internal reference natural-flake anode graphite material. The MOU provides a 45-day window to negotiate a definitive binding agreement.

The company's Santa Cruz project represents the first new graphite production in the Americas since 1996 and is currently ramping up commercial production in Brazil. Their BamaStar project is positioned as one of the few scalable flake graphite assets in North America, supported by U.S. Department of Defense funding and strong techno-economics.