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| Company Name: | MP MINE OPERATIONS LLC |
| Employer identification number (EIN): | 820765338 |
| NAIC Classification: | 212390 |
| NAIC Description: | Other Nonmetallic Mineral Mining and Quarrying |
The following addresses have been detected on the 401k submissions:
| USA Mailing Address | ||||||
|---|---|---|---|---|---|---|
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| Date first seen: 2019-07-24 | ||||||
| Date last seen: 2025-09-17 | ||||||
| USA Location Address | |||||
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| Date first seen: 2020-11-30 | |||||
| Date last seen: 2021-07-28 | |||||
| USA Mailing Address | |||||
|---|---|---|---|---|---|
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| Date first seen: 2025-07-31 | |||||
| Date last seen: 2025-09-16 | |||||
| USA Mailing Address | |||||
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| Date first seen: 2025-07-31 | |||||
| Date last seen: 2025-10-03 | |||||
| Date | Description |
|---|---|
| 2021-07-28 | 820765338 Change of name detected from MP MINE OPERATIONS LLC DBA MP MATERIALS to MP MINE OPERATIONS LLC |
| Plan id# | Plan Name | Plan Start Date | Plan Effective Date |
|---|---|---|---|
| 001 | MP MATERIALS 401(K) PLAN | 2018-05-01 | 2018-05-01 |
| 501 | MP MINE OPERATIONS LLC DBA MP MATERIALS HEALTH AND WELFARE BENEFITS | 2018-05-01 | 2018-05-01 |
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