Form 4: MPLX COO Floerke Reports Unit Disposition

MPLX LP's Executive Vice President and Chief Operating Officer, Gregory S. Floerke, reported the disposition of 242 common units at $54.85 per unit, reducing his direct beneficial ownership to 92,243 units.

Summary

• Gregory Scott Floerke, Executive Vice President and Chief Operating Officer of MPLX GP LLC, the general partner of MPLX LP, reported a transaction.
• On December 12, 2025, Mr. Floerke disposed of 242 Common Units (Limited Partner Interests) of MPLX LP.
• The disposition occurred at a price of $54.85 per unit.
• Following this transaction, Mr. Floerke directly beneficially owns 92,243 Common Units.
• The transaction was made pursuant to a Rule 10b5-1(c) plan, indicating a pre-arranged sale or disposition.

Sentiment

Score: 5

Explanation: This is a neutral, routine compliance filing (Form 4) disclosing an insider's disposition of a relatively small number of units, likely for tax purposes, under a pre-arranged plan. It does not indicate any significant operational or financial changes for the company.

Future Outlook

The filing does not contain any forward-looking statements or guidance.

Management Comments

• The Reporting Person is the Executive Vice President and Chief Operating Officer of MPLX GP LLC, the general partner of the Issuer.
• The Issuer is managed by the directors and executive officers of MPLX GP LLC.

Industry Context

This Form 4 filing is a routine disclosure of an insider transaction and does not provide information related to broader industry trends or competitive landscape.

Related Party Transactions

• Gregory Scott Floerke, an executive officer of MPLX GP LLC (the general partner of MPLX LP), disposed of 242 common units of MPLX LP. This is a direct transaction between a key management individual and the company's securities.

Stakeholder Impact

• Shareholders: Minimal impact due to the small number of units involved and the routine nature of the transaction (likely tax-related under a 10b5-1 plan).
• Employees, Customers, Suppliers, Creditors: No direct impact from this insider transaction.

Key Dates

Keywords

MPLX, Form 4, Insider Transaction, Beneficial Ownership, Gregory S. Floerke, Common Units, Executive, COO, Rule 10b5-1