RIO GRANDE RESOURCES LTD — Investor Relations & Filings
Rio Grande Resources Ltd. is a mineral exploration company focused on the identification and development of high-grade gold and silver deposits. The company's core asset is the Winston Gold & Silver Property, a 3,000+ acre drill-ready project situated in the Black Range of Sierra County, New Mexico. This property encompasses 149 mining claims, including two patented claims, and hosts three historic past-producing mines: Ivanhoe, Emporia, and Little Granite. Rio Grande focuses on leveraging modern exploration methods to evaluate the district-scale potential of the epithermal mineralization within the Paymaster Fault structure. The project is characterized by historically high-grade production and recent sampling results confirming significant precious metal concentrations, including peak values of 66.5 g/t gold and 4,610 g/t silver.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| News release - English.pdf | 2026-05-21 | English | |
| News release - English.pdf | 2026-05-07 | English | |
| News release - English.pdf | 2026-05-06 | English | |
| Material change report - English.pdf | 2026-04-30 | English | |
| News release - English.pdf | 2026-04-30 | English | |
| News release - English.pdf | 2026-04-30 | English |
Browse filings by year
2 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
15 filings
| |||||
| 47769682 | News release - English.pdf | 2026-05-21 | English | ||
| 47769687 | News release - English.pdf | 2026-05-07 | English | ||
| 47769691 | News release - English.pdf | 2026-05-06 | English | ||
| 47769709 | Material change report - English.pdf | 2026-04-30 | English | ||
| 47769712 | News release - English.pdf | 2026-04-30 | English | ||
| 47769716 | News release - English.pdf | 2026-04-30 | English | ||
| 33193769 | Management information circular - English.pdf | 2026-04-02 | English | ||
| 33193768 | Other.pdf | 2026-04-02 | English | ||
| 33193767 | Other.pdf | 2026-04-02 | English | ||
| 33193766 | Form of proxy - English.pdf | 2026-04-02 | English | ||
| 33183018 | Management information circular - English.pdf | 2026-04-02 | English | ||
| 33183017 | Other.pdf | 2026-04-02 | English | ||
| 33183016 | Other.pdf | 2026-04-02 | English | ||
| 33183015 | Form of proxy - English.pdf | 2026-04-02 | English | ||
| 33093120 | 52-109FV2 - Certification of interim filings - CFO (E).pdf | 2026-03-30 | English | ||
Market data
Market data not available
Price history
Peer group · Mining of other non-ferrous metal ores
| Company | Ticker | Country | Sector |
|---|---|---|---|
|
ALARA RESOURCES LIMITED
Minerals exploration and development company focused on cop…
|
AUQ | AU | Mining and quarrying |
|
Alaska Energy Metals Corporation
Exploration and development company focused on strategic me…
|
AEMC | CA | Mining and quarrying |
|
Alaska Silver Corp.
Developing high-grade silver and critical minerals within t…
|
WAM | CA | Mining and quarrying |
|
ALBA MINERAL RESOURCES PLC
Mineral exploration company focused on precious metals and …
|
ALBA | GB | Mining and quarrying |
|
ALBION RESOURCES LIMITED
Mineral explorer targeting zinc, lead, nickel, copper, and …
|
ALB | AU | Mining and quarrying |
|
ALCHEMY RESOURCES LIMITED
Explores and develops gold, base metal, and battery mineral…
|
ALY | AU | Mining and quarrying |
|
Aldebaran Resources Inc.
Mineral exploration company advancing the Altar Copper-Gold…
|
ALDE | CA | Mining and quarrying |
|
Alder Resources Ltd.
Acquires and explores base and precious metal properties (c…
|
ALR | CA | Mining and quarrying |
|
ALDORO RESOURCES LIMITED
Explores and develops critical minerals, base metals, and r…
|
ARN | AU | Mining and quarrying |
|
Algo Grande Copper Corp.
Mineral exploration company specializing in copper, gold, a…
|
ALGR | CA | Mining and quarrying |
RIO GRANDE RESOURCES LTD via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/48562/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=48562 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=48562 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
cURL
$ curl https://api.financialreports.eu/api/filings/?company=48562 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 48562}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for RIO GRANDE RESOURCES LTD (id: 48562)"
Report missing filing
Can't find a specific document? Let us know and we'll add it within 24 hours.