secwatch.observer — SEC 8-K summary
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Issuer:     MPLX LP (MPLX)
CIK:        0001552000
Form:       8-K
Filed at:   2025-03-10T23:59:59+00:00
Accession:  0001193125-25-050596
Event type: debt
Sentiment:  neutral
Materiality: 0.30
Item codes: 8.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

MPLX files underwriting agreement and supplemental indentures for new debt offering
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- Underwriting agreement dated March 3, 2025 with BofA Securities, Barclays, and J.P. Morgan as representatives.
- Thirtieth and Thirty-First Supplemental Indentures dated March 10, 2025 with The Bank of New York Mellon as Trustee.
- Documents filed under existing shelf registration statement S-3 (No. 333-271922); no principal, rate, or maturity disclosed in filing text.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1552000/000119312525050596/0001193125-25-050596-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1552000/000119312525050596/d938554d8k.htm
  HTML page:      https://secwatch.observer/filing/0001193125-25-050596

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