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 |
|---|---|---|---|
|
Aftermath Silver Ltd.
Acquiring, exploring, and developing high-quality silver as…
|
AAG | CA | Mining and quarrying |
|
AGNICO EAGLE MINES LTD
A senior gold mining company engaged in the exploration and…
|
AEM | CA | Mining and quarrying |
|
AIC MINES LIMITED
Focuses on copper and gold exploration and production at th…
|
A1M | AU | Mining and quarrying |
|
A.I.S. Resources Limited
Diversified issuer developing natural resource properties, …
|
AIS | CA | Mining and quarrying |
|
AJAX RESOURCES PLC
Natural resources investment company focused on critical an…
|
AJAX | GB | Mining and quarrying |
|
Akobo Minerals
Scandinavian-based gold producer with exploration and minin…
|
AKOBO | SE | Mining and quarrying |
|
Akwaaba Mining Ltd.
Specializes in acquiring and exploring early-stage gold pro…
|
AML | CA | Mining and quarrying |
|
Alacer Gold Corp.
Leading low-cost gold producer operating the 80%-owned Çöpl…
|
ASR | CA | Mining and quarrying |
|
Alamos Gold Inc.
Diversified intermediate gold producer operating three mine…
|
AGI | CA | Mining and quarrying |
|
ALAMOS GOLD INC
An intermediate gold producer with three operating mines in…
|
AGI | 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.