Sienna Resources Inc. — Investor Relations & Filings
Sienna Resources Inc. is an exploration-stage company focused on acquiring and developing high-grade mineral deposits in politically stable and environmentally responsible jurisdictions. The company's portfolio emphasizes energy metals critical for rechargeable batteries, including uranium, lithium, cesium, and spodumene. Key assets include several uranium projects in the Athabasca Basin, Saskatchewan, situated adjacent to properties held by major industry operators. Sienna also holds lithium brine projects in Nevada and the Case Lake West Cesium and Spodumene Pegmatite Project, alongside the Stonesthrow Gold Project.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| Material change report - English.pdf | 2024-03-13 | English | |
| News release - English.pdf | 2024-03-08 | English | |
| News release - English.pdf | 2024-02-28 | English | |
| Material change report - English.pdf | 2024-01-23 | English | |
| News release - English.pdf | 2024-01-23 | English | |
| News release - English.pdf | 2024-01-17 | English |
Market data
Market data not available
Price history
Peer group · Mining of uranium and thorium ores
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ALLIGATOR ENERGY LIMITED
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AMERICAN URANIUM LTD
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ANFIELD ENERGY INC
Operates one of three licensed US conventional uranium mill…
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ANFIELD ENERGY INC.
Uranium and vanadium developer with a licensed U.S. mill fo…
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Anthem Resources Incorporated
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Sienna Resources Inc. 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/43792/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=43792 | 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=43792 | 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=43792 \ -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": 43792}, 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 Sienna Resources Inc. (id: 43792)"
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