secwatch.observer — SEC 8-K summary
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Issuer:     MPLX LP (MPLX)
CIK:        0001552000
Form:       8-K
Filed at:   2026-02-12T23:59:59+00:00
Accession:  0001193125-26-048352
Event type: debt
Sentiment:  neutral
Materiality: 0.40
Item codes: 8.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

MPLX LP files debt issuance documents; key terms undisclosed
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- Underwriting agreement dated Feb 5, 2026 with Citigroup, Barclays, MUFG, RBC as representatives.
- Thirty-Sixth and Thirty-Seventh Supplemental Indentures dated Feb 12, 2026 with BNY Mellon as trustee.
- Principal amount, interest rate, and maturity not disclosed in the 8-K filing.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1552000/000119312526048352/0001193125-26-048352-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1552000/000119312526048352/d81435d8k.htm
  HTML page:      https://secwatch.observer/filing/0001193125-26-048352

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer