# Heliostar Files Prefeasibility Study for Cerro del Gallo Project

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/heliostar-files-prefeasibility-study-for-cerro-del-gallo-project--65668052-6447-414c-a12e-b2f724548f36

Original source: https://money.tmx.com/en/quote/HSTR/news/8189470461218556/heliostar-files-prefeasibility-study-for-cerro-del-gallo-project

Publisher: tmx

Original announcement: 2026-01-26T11:30:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: Heliostar Metals Ltd.

- Ticker: HSTR

- Exchange: TSX

- Region: Guanajuato, Mexico

- Primary commodity: Gold

- Secondary commodities: None reported

- Document categories: Resource update, Other

- Extracted: 2026-08-21 02:52:21 UTC

Narrative sentiment: 0.40 · Bullish

## Minestarters Atlas summary

Heliostar Metals has filed a NI 43-101 compliant Prefeasibility Study \(PFS\) technical report for its Cerro del Gallo Project in Guanajuato, Mexico. The report was prepared by Kappes, Cassiday & Associates and has an effective date of December 11, 2025.

Reasoning: The company has reached a major project milestone by filing a Prefeasibility Study \(PFS\) for the Cerro del Gallo project, a key step toward development.

- Positive factor: PFS filing milestone

- Positive factor: NI 43-101 compliant report

- Positive factor: Professional consultant \(KCC\) used

- Negative factor: Effective date is historical \(Dec 2025\)

Facts used in scoring: 0

## Classification and evidence

**PFS-Supporting**

Polarity: neutral

Definition: Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: The announcement specifically concerns the filing of a Prefeasibility Study \(PFS\) technical report.

Evidence · text

> announces that, further to its news release dated December 11, 2025, it has filed a Prefeasibility Study Technical Report

**NI 43-101 Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard.

Why it applies: The technical report was explicitly prepared in accordance with NI 43-101 standards.

Evidence · text

> The technical report was prepared in accordance with National Instrument 43-101

## Extracted facts

Stored fact records: 0. Some facts used in scoring do not have a stored record.

No stored fact records are available for this extraction.

## How Atlas produces this analysis

Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.