{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-273726","form_type":"8-K","ticker":"MP","cik":"0001801368","company_name":"MP Materials Corp. / DE","filed_at":"2024-12-10T23:59:59+00:00","discovered_at":"2026-05-14T18:03:09.682724+00:00","generated_at":"2026-05-29T05:14:41.252604+00:00","sec_items":["8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"MP Materials exchanges $131.6M of 0.25% notes due 2026 for $106.6M of 3.00% notes due 2030","bullets":["Exchange reduces outstanding principal by ~$25M and extends debt maturity from 2026 to 2030.","New 3.00% convertible notes due 2030 issued in private exchange to institutional holders.","Closing expected December 16, 2024; no registration under Securities Act.","Transaction reduces near-term refinancing risk and interest rate step-up from 0.25% to 3.00%."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-273726","json":"https://secwatch.observer/filing/0001193125-24-273726.json","markdown":"https://secwatch.observer/filing/0001193125-24-273726.md","text":"https://secwatch.observer/filing/0001193125-24-273726.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1801368/000119312524273726/0001193125-24-273726-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1801368/000119312524273726/d869456d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-29T05:14:41.252604+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}