Heliostar Files Updated Technical Report for the La Colorada Mine
Rhea-AI Summary
Heliostar Metals (OTCQX: HSTXF) filed an Updated Technical Report for its operating La Colorada mine in Sonora, Mexico on November 28, 2025.
The report, titled "La Colorada Operations, Sonora, Mexico, NI 43-101 Technical Report," has an effective date of October 19, 2025 and was prepared under NI 43-101 standards with Mine Technical Services Ltd. Engineering as lead author and Call & Nicholas as subcontractor.
The report is available on SEDAR+ and will be posted on Heliostar's investor website.
Positive
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Negative
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News Market Reaction
On the day this news was published, HSTXF gained 5.56%, reflecting a notable positive market reaction.
Data tracked by StockTitan Argus on the day of publication.
Key Figures
Market Reality Check
Peers on Argus
Gold peers showed mixed moves: WRLGF +5.57%, GDRZF +12.98%, FDMIF +2.42%, OGNRF +1.63%, while AMXEF declined 4.03%. With no momentum flags or same-day peer headlines, trading appeared more stock-specific than a broad sector rotation.
Historical Context
| Date | Event | Sentiment | Move | Catalyst |
|---|---|---|---|---|
| Dec 01 | Marketing agreement | Neutral | -3.3% | Three‑month investor marketing agreements totaling US$60,000 with GRA Enterprises. |
| Dec 01 | Leadership change | Neutral | -3.3% | Appointment of James Perry as new Chairman and equity incentive grants. |
| Nov 28 | Technical report filing | Neutral | +5.6% | Filing of NI 43‑101 La Colorada technical report on SEDAR+ and company website. |
| Nov 24 | Drill results update | Positive | +12.3% | High‑grade Ana Paula drill intercepts and expansion of program to 20,000 m. |
| Nov 20 | Q3 2025 earnings | Positive | -2.7% | Q3 2025 GEO production, revenue, mine earnings and strong balance sheet update. |
Recent history shows strong positive reactions to operational updates (drilling, technical report) and negative reactions to corporate/marketing and earnings announcements, suggesting news type has influenced past price moves.
Over the past months, Heliostar reported several milestones. On Nov 20, 2025, Q3 2025 results highlighted $26.8M revenue, positive net income, solid cash and no debt, yet shares fell 2.67%. On Nov 24, 2025, high‑grade Ana Paula drilling and a 20,000 m program expansion saw a 12.26% gain. The Nov 28, 2025 La Colorada NI 43‑101 technical report coincided with a 5.56% rise. Later, marketing and chairman-change news on Dec 1, 2025 both saw 3.32% declines.
Market Pulse Summary
The stock moved +5.6% in the session following this news. A strong positive reaction aligns with prior trading around operational updates, such as the earlier La Colorada and Ana Paula releases that saw notable gains. The updated NI 43‑101 report added formalized technical detail on an operating mine, building on a backdrop of Q3 profitability and solid liquidity. However, past pullbacks after other news types suggest that sentiment around future exploration, costs and execution remained an important risk factor.
Key Terms
national instrument 43-101 regulatory
ni 43-101 technical report regulatory
sedar+ regulatory
AI-generated analysis. Not financial advice.
Vancouver, British Columbia--(Newsfile Corp. - November 28, 2025) - Heliostar Metals Ltd. (TSXV: HSTR) (OTCQX: HSTXF) (FSE: RGG1) ("Heliostar" or the "Company") announces that, further to its news release dated October 17, 2025, it has filed an Updated Technical Report for its operating La Colorada mine located in Sonora, Mexico.
The technical report was prepared in accordance with National Instrument 43-101 – Standards for Disclosure for Mineral Projects. It has an effective date of October 19, 2025, with Mine Technical Services Ltd. Engineering as the lead author and consultant, and with Call & Nicholas as a subcontractor. The technical report titled "La Colorada Operations, Sonora, Mexico, NI 43-101 Technical Report" has been filed on the SEDAR+ website at www.sedarplus.ca and will be posted on the Company's website at www.heliostarmetals.com.
About Heliostar Metals Ltd.
Heliostar aims to grow to become a mid-tier gold producer. The Company is focused on increasing production and developing new resources at the La Colorada and San Agustin mines in Mexico, and on developing the
FOR ADDITIONAL INFORMATION, PLEASE CONTACT:
| Charles Funk President and Chief Executive Officer Heliostar Metals Limited Email: charles.funk@heliostarmetals.com Phone: +1 844-753-0045 | Rob Grey Investor Relations Manager Heliostar Metals Limited Email: rob.grey@heliostarmetals.com Phone: +1 844-753-0045 |
Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.
Cautionary Statement Regarding Forward-Looking Information
This news release includes certain "Forward-Looking Statements" within the meaning of the United States Private Securities Litigation Reform Act of 1995 and "forward-looking information" under applicable Canadian securities laws. When used in this news release, the words "anticipate", "believe", "estimate", "expect", "target", "plan", "forecast", "may", "would", "could", "schedule" and similar words or expressions, identify forward-looking statements or information. These forward-looking statements or information relate to, among other things, timing and economics of mineral production, ability to expand production, resources, and exploration potential.
These statements reflect the Company's respective current views with respect to future events and are necessarily based upon a number of other assumptions and estimates that, while considered reasonable by management, are inherently subject to significant business, economic, competitive, political and social uncertainties and contingencies. Many factors, both known and unknown, could cause actual results, performance, or achievements to be materially different from the results, performance or achievements that are or may be expressed or implied by such forward-looking statements or forward-looking information and the Company has made assumptions and estimates based on or related to many of these factors. Such factors include, without limitation: precious metals price volatility; risks associated with the conduct of the Company's mining activities in foreign jurisdictions; regulatory, consent or permitting delays; risks relating to reliance on the Company's management team and outside contractors; risks regarding exploration and mining activities; the Company's inability to obtain insurance to cover all risks, on a commercially reasonable basis or at all; currency fluctuations; risks regarding the failure to generate sufficient cash flow from operations; risks relating to project financing and equity issuances; risks and unknowns inherent in all mining projects, including the inaccuracy of reserves and resources, metallurgical recoveries and capital and operating costs of such projects; contests over title to properties, particularly title to undeveloped properties; laws and regulations governing the environment, health and safety; the ability of the communities in which the Company operates to manage and cope with the implications of public health crises; the economic and financial implications of public health crises, ongoing military conflicts and general economic factors to the Company; operating or technical difficulties in connection with mining or development activities; employee relations, labour unrest or unavailability; the Company's interactions with surrounding communities; the Company's ability to successfully integrate acquired assets; the speculative nature of exploration and development, including the risks of diminishing quantities or grades of reserves; stock market volatility; conflicts of interest among certain directors and officers; lack of liquidity for shareholders of the Company; litigation risk; and the factors identified under the caption "Risk Factors" in the Company's public disclosure documents. Readers are cautioned against attributing undue certainty to forward-looking statements or forward-looking information. Although the Company has attempted to identify important factors that could cause actual results to differ materially, there may be other factors that cause results not to be anticipated, estimated or intended. The Company does not intend, and does not assume any obligation, to update these forward-looking statements or forward-looking information to reflect changes in assumptions or changes in circumstances or any other events affecting such statements or information, other than as required by applicable law.
This news release includes certain non-International Financial Reporting Standards (IFRS) measures. The Company has included these measures, in addition to conventional measures conforming with IFRS, to provide investors with an improved ability to evaluate the project and provide comparability between projects. The non-IFRS measures, which are generally considered standard measures within the mining industry albeit with non-standard definitions, are intended to provide additional information and should not be considered in isolation or as a substitute for measures of performance prepared in accordance with IFRS. Cash costs (Cash Costs) are a common financial performance measure in the gold mining industry but with no standard meaning under IFRS. The Company believes that, in addition to conventional measures prepared in accordance with IFRS, certain investors use this information to evaluate each project's economic results in the technical reports and each project's potential to generate operating earnings and cash flow. All-in Sustaining Costs (AISC) more fully defines the total costs associated with producing precious metals. The AISC is calculated based on guidelines published by the World Gold Council (WGC), which were first issued in 2013. In light of new accounting standards and to support further consistency of application, the WGC published an updated Guidance Note in 2018. Other companies may calculate this measure differently because of differences in underlying principles and policies applied. Differences may also arise due to a different definition of sustaining versus growth capital. Note that in respect of AISC metrics within the technical reports because such economics are disclosed at the project level, corporate general and administrative expenses were not included in the AISC calculations.
To view the source version of this press release, please visit https://www.newsfilecorp.com/release/276236
FAQ
What did Heliostar (HSTXF) file on November 28, 2025 regarding La Colorada?
Where can investors access the La Colorada NI 43-101 Technical Report for HSTXF?
Who prepared the La Colorada Technical Report for Heliostar (HSTXF)?
What is the effective date of the La Colorada technical report filed by HSTXF?
Does the La Colorada filing follow any prior Heliostar announcement?
Is the La Colorada Technical Report prepared to a recognized standard for HSTXF investors?
