One of the most valuable aspects of the Experts Roundtable is the sustained news flow that follows a company’s presentation. The experts and newsletter writers who attend these sessions are watching closely — and so should you.
Below is a curated summary of the most recent press releases and corporate milestones from every company that has presented at the Roundtable over the past three months. News items are drawn from the period following each company’s Roundtable presentation date.
Ticker: TSXV: NOBL | OTCQB: NBLXF
Sector: Uranium Exploration, Wyoming
Noble Plains Uranium Corp. is a U.S.-focused uranium exploration and development company advancing a high-impact portfolio across Wyoming’s Powder River and Shirley Basins. The company’s flagship Duck Creek Project features a maiden resource of 5.32 million lbs Indicated and 1.04 million lbs Inferred uranium.
July 28, 2026 — Noble Plains Uranium Commences Confirmation Drill Program at Shirley Central Project
Noble Plains announced the mobilization of a drill rig to its Shirley Central Project in Wyoming’s Shirley Basin. This confirmation drill program follows the completion of the historical database digitization and is a key step toward advancing the project toward a resource estimate. The Shirley Basin has a storied history of over 50 million lbs of past uranium production.
July 16, 2026 — Noble Plains Uranium Launches Geophysics Program Through University of Wyoming
The company initiated a geophysical program at its flagship Duck Creek property, in collaboration with the University of Wyoming, designed to detect both shallow Wasatch Formation and deeper Fort Union Formation uranium mineralization. The program aims to identify new drill targets beyond the already-defined mineralized trend.
July 9, 2026 — Noble Plains Uranium Completes Shirley Central Historical Drill Database, Unlocking 341 Uranium Intercepts
Noble Plains completed the digitization and geological interpretation of the historical drill database at Shirley Central, unlocking 341 uranium intercepts from legacy drilling. This data, combined with the company’s AI-assisted digitization program, provides a robust foundation for the confirmation drill program now underway.
Ticker: CSE: ATMY | OTCQB: ATMYF | FSE: K8J0
Sector: Antimony Exploration, New Brunswick
Antimony Resources Corp. is a Canadian junior exploration company focused on unlocking North American antimony supply at its flagship Bald Hill Antimony Property in New Brunswick. Antimony is a critical mineral increasingly sought by Western governments as a strategic alternative to Chinese-controlled supply chains.
July 30, 2026 — Antimony Resources Reports High-Grade Assays Including 11.41% Antimony Over 1.55 Metres at Bald Hill Main Zone; Central Zone Drilling Identifies Stibnite Mineralization in Six Drill Holes
Antimony Resources reported new assay results from drill hole BH-26-14 in the Main Zone at Bald Hill, with a highlight interval of 11.3m averaging 2.78% Sb and 0.41 g/t Au, including 1.55m at 11.41% Sb. At the newly identified Central Zone, six drill holes intersected breccia with visible stibnite mineralization at depths of approximately 100–150m, with assays pending. The Main Zone mineralization is now outlined over 600m strike and at least 350m depth, remaining open in all directions.
🔗 https://antimonyresources.ca/news/f/atmy-reports-high-grade-assays---up-to-1141%25-sb-over-15m
July 14, 2026 — Antimony Resources Appoints Former U.S. Military Academy Director as Board Advisor
The company appointed Mr. John M. Melkon, a former Director and Assistant Professor at the United States Military Academy at West Point, as an advisor to the Board of Directors. Mr. Melkon’s mandate is to assist in securing antimony supply contracts for the U.S. military and to support the company in obtaining government-backed financing for the Bald Hill project.
🔗 https://antimonyresources.ca/news/f/atmy-appoints-former-usma-director-as-board-advisor
July 6, 2026 — Antimony Resources Reports High-Grade Assays of Up To 33.40% Antimony at Bald Hill Main Zone
Antimony Resources reported assay results from four additional drill holes in the Main Zone at Bald Hill, with standout results including 33.40% Sb over 1.10m within a 5.05m interval grading 16.65% Sb in drill hole BH-26-25, and 13.14% Sb over 2.45m in BH-26-20. The holes targeted the southern portion of the Main Zone to infill data gaps, with all four holes successfully intersecting antimony mineralization at depths of approximately 100–260m.
🔗 https://antimonyresources.ca/news/f/atmy-reports-high-grade-assays-of-up-to-3340%25-sb
June 29, 2026 — Antimony Resources Reports Gold Assays up to 1.88 g/t Over 4.85 Metres at Bald Hill
The company reported significant gold assay results from drill core samples in the Main Zone at Bald Hill, with values reaching 1.88 g/t gold over 4.85 meters. AI-assisted analysis of existing assay data revealed that Bald Hill carries meaningful gold credit alongside its high-grade antimony mineralization.
🔗 https://antimonyresources.ca/news/f/atmy-reports-gold-assays-up-to-188gt-over-485m
Ticker: TSXV: SGO | OTCQB: SMOFF | FRA: 23SP
Sector: Gold Exploration & Development, Sonora Mexico
Sonoro Gold Corp. is a junior gold exploration and development company in the final permitting stage for its flagship Cerro Caliche gold project in Sonora, Mexico, targeting an initial 12,000 tonnes per day heap leach mining operation.
July 7, 2026 — Sonoro Gold Commences 50,000 Meter Drilling Program
Sonoro Gold announced the commencement of drilling at its flagship Cerro Caliche gold project, launching a two-phased exploration campaign of 50,000 meters of reverse circulation drilling. This program is designed to expand the resource base and support the company’s path to production.
🔗 https://sonorogold.com/news/sonoro-gold-commences-50000-meter-drilling-program
Ticker: TSXV: MACK | OTCQB: MKGSF
Sector: Gold-Silver Exploration, Nevada (Comstock District )
Mackay Gold & Silver is a Nevada-focused gold and silver exploration company that has consolidated a large, contiguous land package in the historic Comstock District — one of the world’s great epithermal systems with over 8.2 million ounces of past gold production and 192 million ounces of silver.
June 29, 2026 — Mackay Gold & Silver Kicks Off Inaugural 20,000-Metre Drill Program at Comstock District
Mackay commenced its initial 20,000-meter drill program at the Comstock District property. Phase 1 focuses on systematic exploration drilling along the Occidental-Brunswick Lode, targeting both near-surface oxide gold-silver mineralization and deeper high-grade deposits. Initial assay results are projected for late summer 2026.
🔗 https://mackaycorp.com/wp-content/uploads/2026/06/NR-Drill-Program-Kicks-Off-June-29-2026-FINAL.pdf
June 22, 2026 — Mackay to Acquire Comstock Inc.’s Nevada Mining Assets, Creating the Largest Consolidated Land Package in the District’s History
In a landmark transaction, Mackay announced an agreement to acquire 100% of Comstock Inc.’s Nevada mining assets, expanding its Comstock District land holdings by 70% to 4,343 hectares. The acquisition consolidates the district’s three major vein systems under single ownership and adds two oxide gold-silver deposits with historical resource estimates, along with a permitted processing facility. The deal involves US$20 million in cash and 2,000,000 common shares at closing.
Ticker: CSE: STCU | FWB: SOP | OTCQX: STCUF
Sector: Copper-Gold Exploration, British Columbia (Golden Triangle )
Star Copper Corp. is a mineral exploration company advancing its flagship Star Project, an Alkalic Copper-Gold Porphyry located within the Golden Triangle and Golden Horseshoe regions of British Columbia. The 6,829-hectare project is 100% owned for the first time in its approximately 70-year history.
July 28, 2026 — Star Copper Announces Completion of $4 Million LIFE Offering
Star Copper completed a non-brokered private placement, raising C$3,999,999 from the sale of 2,666,666 flow-through units. The gross proceeds will be directed entirely toward Canadian exploration expenses on the Star Project, providing additional runway for the ongoing 15,000-meter drill program.
July 21, 2026 — Star Copper Completes First Four Drill Holes, Advancing District-Scale Discovery Strategy
Star Copper completed the first four drill holes of its 2026 diamond drilling program at the Star Project, intersecting visually significant porphyry-style copper mineralization across three priority targets. While assay results are pending, the visual findings validate the company’s district-scale exploration model.
July 7, 2026 — Star Copper Begins Step-Out Drilling at Star Main to Test Northeast Extension of Hypogene System
The company mobilized a second drill rig for its 15,000-meter program, focusing on testing a northeastern extension at the Star Main target. The drilling is designed to evaluate the continuation of hypogene mineralization beyond 100 meters to the east of a key historic drill hole.
June 30, 2026 — Star Copper Signs Agreement to Expand Portfolio with Two Advanced District-Scale Exploration Assets in BC
Star Copper entered into an agreement to acquire a 100% interest in the Zymo Copper-Gold Project and Eastfield’s 95.3% interest in the Indata Copper-Gold-Molybdenum Project, adding over 20,000 meters of historical drilling and multiple drill-ready targets to its portfolio.
Ticker: TSX-V: AZEM
Sector: Gold-Copper Exploration, Yavapai County, Arizona
Arizona Eagle Mining Corp. targets copper and gold deposits in mining-friendly Yavapai County, Arizona, focused on the past-producing high-grade gold McCabe Mine and surrounding Eagle Project.
June 21, 2026 — Arizona Eagle Mining Announces Grant of Stock Options, RSUs, and Adoption of Omnibus Equity Incentive Plan
Arizona Eagle Mining announced the grant of incentive stock options and restricted share units to directors, officers, and consultants, alongside the adoption of a new omnibus equity incentive plan designed to align management incentives with long-term shareholder value creation.
🔗 https://www.arizonaeaglemining.com/_resources/news/AZEM%20NR%20260622%20-%20Equity%20Awards.pdf
June 9, 2026 — Arizona Eagle Mining Closes Upsized Non-Brokered Private Placement for C$8.59 Million
The company successfully closed an oversubscribed non-brokered private placement, raising C$8,592,347.50. The funds will be deployed for exploration and drilling at the McCabe Mine, the acquisition of the Eagle Silver Project, and an inaugural drill program on the Silver Projects.
This newsletter is published for informational purposes only and does not constitute investment advice. All information is sourced from publicly available company press releases. Subscribers are encouraged to conduct their own due diligence before making any investment decisions.
© 2026 Experts Roundtable — expertsroundtable.com
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