MPLX LP
MPLX · MPLXP · Pipe Lines (No Natural Gas)
Latest available SEC filing: 4 ·
Latest disclosures
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Peiffer Garry L.: Form 4
Insider disclosure · Filed · Report period 14 Aug 2026
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Latest financial period: Q2 2026
Financial facts · Filed
Institutional holders by security
Choose a share class to see reported 13F positions and quarterly changes. Different securities have separate holder histories.
- MPLX · 55336V100 - COM UNIT REP LTD
Company details and SEC sources
CIK 0001552000 · SEC filing index. Filing dates describe disclosures, not live market data.
- Listed symbols
- MPLX on NYSE, MPLXP on OTC
- SEC industry group
- Pipe Lines (No Natural Gas) (Office of Energy and Transportation)
- Business address
- 200 E. Hardin Street, Findlay, OH, 45840
- Fiscal year end
- 31 December
At a glance
Names, identifiers, and filing context for this profile.
2 identity fields