Welcome to our dedicated page for Mplx Lp SEC filings (Ticker: MPLX), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The MPLX LP (NYSE: MPLX) SEC filings page on Stock Titan provides access to the partnership’s regulatory disclosures filed with the U.S. Securities and Exchange Commission. As a large-cap master limited partnership operating midstream energy infrastructure and logistics assets, MPLX uses its SEC filings to report financial results, describe segment performance, document governance changes, and outline material transactions and financing activities.
Key documents for MPLX include annual reports on Form 10-K and quarterly reports on Form 10-Q, which present detailed information on the Crude Oil and Products Logistics and Natural Gas and NGL Services segments, including pipeline and terminal throughput, gathering and processing volumes, and NGL fractionation activity. These reports also discuss non-GAAP measures such as adjusted EBITDA, distributable cash flow, adjusted free cash flow, and leverage ratio, along with reconciliations to the most directly comparable GAAP measures.
MPLX’s current reports on Form 8-K highlight specific events such as quarterly and year-to-date financial results, changes in the board of directors of its general partner, leadership appointments, securities offerings, and the filing of underwriting agreements and supplemental indentures related to senior notes. These filings also reference press releases that provide additional operational and financial context.
On Stock Titan, AI-powered tools can help interpret MPLX’s filings by summarizing lengthy documents, clarifying segment-level disclosures, and highlighting items related to capital structure, distributions, and governance. Users can quickly locate information on MPLX’s debt offerings, board changes, and reported financial metrics without reading every page of each filing. Real-time updates from EDGAR ensure that new 10-K, 10-Q, and 8-K filings, as well as exhibits such as underwriting agreements and indentures, are available as they are posted, supporting more efficient review of MPLX’s regulatory reporting history.
MPLX LP director J. Michael Stice received an equity grant of common units. He was awarded 981.957 common units (limited partner interests) of MPLX LP on February 17, 2026, recorded as a grant or other acquisition with no cash price shown per unit.
After this grant, Stice directly holds 53,295.154 common units. In addition, 700 common units are held indirectly through The Mike Stice Trust, reflecting a separate indirect ownership position rather than a new transaction.
MPLX LP director Frank M. Semple reported an equity award of common units. On February 17, 2026, he acquired 1,071.818 common units of MPLX LP as a grant, bringing his directly held units to 58,172.334. Additional common units are reported as indirectly held through several trusts and an LLC.
MPLX LP director Garry L. Peiffer reported an acquisition of common units through an equity award. On February 17, 2026, he received 1,180.524 Common Units (Limited Partner Interests) at a price of $0.0000 per unit, described as a grant or award acquisition.
Following this transaction, Peiffer directly owned 64,072.343 common units. In addition, a revocable trust identified as the Garry L. Peiffer Revocable Trust held an indirect position of 68,497.000 common units, reflecting his beneficial ownership through that trust.
HELMS CHRISTOPHER A reported acquisition or exercise transactions in this Form 4 filing.
MPLX LP director Christopher A. Helms received an equity grant of 1,285.155 common units of limited partner interests. The award was recorded at a price of $0.0000 per unit, indicating it was a grant rather than an open-market purchase. Following this transaction, Helms directly holds a total of 80,751.097 common units.
Breves Christine S reported acquisition or exercise transactions in this Form 4 filing.
MPLX LP director Christine S. Breves received an award of 218.103 Common Units (Limited Partner Interests) on February 17, 2026. The award was recorded at a price of $0.0000 per unit, indicating it was a grant rather than an open-market purchase. Following this grant, her directly owned holdings increased to 11,837.457 common units.
MPLX LP filed a current report to add key legal documents to its existing shelf registration on Form S-3 (Registration No. 333-271922). The filing attaches an Underwriting Agreement dated February 5, 2026, and two supplemental indentures dated February 12, 2026, each including a form of note. It also includes a legal opinion and related consent from Jones Day supporting the registration.
MPLX LP is issuing $1,000,000,000 of 5.300% senior notes due 2036 and $500,000,000 of 6.100% senior notes due 2056. The notes are unsecured, unsubordinated obligations of MPLX LP, structurally subordinated to its subsidiaries’ debt, and may be redeemed by MPLX before maturity on stated terms.
The offering is expected to generate about $1,474 million in net proceeds, which MPLX plans to use to repay $1,500 million of 1.750% senior notes maturing in March 2026. As of September 30, 2025, consolidated debt was about $26,007 million, with $2.0 billion of undrawn revolver capacity.
Preliminary unaudited results show revenues and other income of $3,252 million and net income attributable to MPLX of $1,193 million for Q4 2025, and $12,998 million of revenues with $4,912 million of net income for full-year 2025. Adjusted EBITDA attributable to MPLX was $1,804 million for Q4 and $7,017 million for the year, while distributable cash flow attributable to LP unitholders was $1,417 million in Q4 and $5,791 million for 2025.
MPLX LP plans to issue two new series of senior unsecured notes, with interest paid semi-annually, to help refinance existing debt. The partnership intends to use net proceeds to repay $1,500 million of 1.750% senior notes due March 2026 and for general partnership purposes.
Alongside the offering, MPLX released preliminary unaudited 2025 results. For 2025, revenues and other income were $12,998 million and net income attributable to MPLX was $4,912 million. Adjusted EBITDA attributable to MPLX was $7,017 million and distributable cash flow was $5,791 million, supported by $5,909 million of net cash from operating activities.
For Q4 2025, revenues and other income were $3,252 million and net income attributable to MPLX was $1,193 million. Adjusted EBITDA attributable to MPLX was $1,804 million and distributable cash flow attributable to LP unitholders was $1,417 million. As of December 31, 2025, MPLX reported $2,137 million in cash and cash equivalents, $43,005 million of total assets, $25,653 million of total debt and $14,528 million of total equity, with no borrowings outstanding under its $2 billion revolving credit facility or its intercompany loan agreement.
MPLX LP furnished an update on its recent performance by issuing a press release with financial results for the quarter and year ended December 31, 2025. The partnership attached this press release as an exhibit to the current report, making the details available to investors through that document.
MPLX LP director Maria A. Khoury filed an initial insider ownership report showing that she currently holds 0 common units of the partnership directly. This filing establishes her baseline beneficial ownership position as of 01/19/2026 and confirms there are no derivative securities, such as options or warrants, reported in her name.
The remarks note that she serves as a director of MPLX GP LLC, the general partner that manages MPLX LP through its directors and executive officers. An attorney-in-fact signed the filing on her behalf under a power of attorney.