
MP Materials Corp. / DE — Investor Relations & Filings
MP Materials Corp. is a producer of rare earth materials. The company owns and operates the Mountain Pass mine and processing facility, a site for rare earth mining, separation, and refining. Its vertically integrated operations transform high-grade ore into high-purity rare earth compounds and metals. The company also manufactures high-performance neodymium-iron-boron (NdFeB) permanent magnets, which are critical components for various applications, including electric vehicles, defense systems, robotics, and clean energy technologies. The firm's core mission is to establish a complete, domestic rare earth supply chain, from mining to magnet manufacturing.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| SCHEDULE 13G/A - MP Materials Corp. / DE (0001801368) (Subject) | 2026-03-27 | English | |
| 4 - MP Materials Corp. / DE (0001801368) (Issuer) | 2026-03-18 | English | |
| 4 - MP Materials Corp. / DE (0001801368) (Issuer) | 2026-03-18 | English | |
| 144 - MP Materials Corp. / DE (0001801368) (Subject) | 2026-03-17 | English | |
| 10-K - MP MATERIALS CORP. / DE (0001801368) (Filer) | 2026-02-26 | English | |
| 8-K - MP MATERIALS CORP. / DE (0001801368) (Filer) | 2026-02-26 | English |
Browse filings by year
7 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
15 filings
| |||||
| 33061796 | SCHEDULE 13G/A - MP Materials Corp. / DE (0001801368) (Subject) | 2026-03-27 | English | ||
| 32968971 | 4 - MP Materials Corp. / DE (0001801368) (Issuer) | 2026-03-18 | English | ||
| 32968966 | 4 - MP Materials Corp. / DE (0001801368) (Issuer) | 2026-03-18 | English | ||
| 32967532 | 144 - MP Materials Corp. / DE (0001801368) (Subject) | 2026-03-17 | English | ||
| 32898566 | 10-K - MP MATERIALS CORP. / DE (0001801368) (Filer) | 2026-02-26 | English | ||
| 32898565 | 8-K - MP MATERIALS CORP. / DE (0001801368) (Filer) | 2026-02-26 | English | ||
| 31771285 | 4 Filing | 2026-01-22 | English | ||
| 31771261 | 4 Filing | 2026-01-22 | English | ||
| 13231851 | Regulatory Filings 2026 | 2026-01-20 | English | ||
| 13231853 | FORM 4 | 2026-01-15 | English | ||
| 13231852 | FORM 4 | 2026-01-15 | English | ||
| 13231855 | FORM 4 | 2026-01-15 | English | ||
| 13231854 | FORM 4 | 2026-01-15 | English | ||
| 13231856 | Major Shareholding Notification 2026 | 2026-01-14 | English | ||
| 13231857 | FORM 4 | 2026-01-14 | English | ||
Market data
Market data not available
Price history
Peer group · Mining of other non-ferrous metal ores
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|---|---|---|---|
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China Gold International Resources Corp. Ltd.
Gold and base metals producer operating principal mines in …
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2099 | CA | Mining and quarrying |
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CHINA NATURAL RESOURCES INC
Acquires natural resource assets, focusing on mining and en…
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CHNR | US | Mining and quarrying |
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China Nonferrous Mining Corporation Limited
Vertically integrated producer of nonferrous metals, primar…
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1258 | HK | Mining and quarrying |
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China Northern Rare Earth (Group) High-Tech Co.,Ltd
Integrated rare earth producer specializing in mining, smel…
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600111 | CN | Mining and quarrying |
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CHINA RARE EARTH NONFERROUS METALS CO.,LTD.
Extracts and processes rare earth elements and nonferrous m…
|
600259 | CN | Mining and quarrying |
|
CHINA RARE EARTH RESOURCES AND TECHNOLOGY CO., LTD.
Mines and processes rare earth minerals for high-tech and g…
|
000831 | CN | Mining and quarrying |
|
Choice Gold Corp
Publicly-traded entity focused on acquiring and developing …
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— | CA | Mining and quarrying |
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Churchill Resources
Exploration company targeting critical battery metals and n…
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CRI | CA | Mining and quarrying |
MP Materials Corp. / DE 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/30516/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=30516 | 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=30516 | 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=30516 \ -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": 30516}, 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 MP Materials Corp. / DE (id: 30516)"
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