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Ownership Document
|
| Schema Version: X0508 |
| Document Type: 4 |
| Period of Report: 3/1/24 |
| Issuer: |
| Issuer CIK: 1552000 |
| Issuer Name: MPLX LP |
| Issuer Trading Symbol: MPLX |
| Reporting Owner: |
| Reporting Owner ID: |
| | Owner CIK: 1948454 |
| | Owner Name: Lyon Shawn M |
| Reporting Owner Address: |
| | Owner Street 1: C/O MPLX LP |
| | Owner Street 2: 200 E. HARDIN STREET |
| | Owner City: FINDLAY |
| | Owner State: OH |
| | Owner ZIP Code: 45840 |
| | Owner State Description: |
| Reporting Owner Relationship: |
| | Is Director? No |
| | Is Officer? Yes |
| | Is Ten Percent Owner? No |
| | Is Other? No |
| | Officer Title: Senior VP, Log. & Storage |
| Aff 10b5 One? No |
| Non-Derivative Table: |
| Non-Derivative Transaction: |
| | Security Title: |
| | | Value: Common Units (Limited Partner Interests) |
| | Transaction Date: |
| | | Value: 3/1/24 |
| | Transaction Coding: |
| | | Transaction Form Type: 4 |
| | | Transaction Code: F |
| | | Equity Swap Involved? No |
| | Transaction Amounts: |
| | | Transaction Shares: |
| Value: 936 |
| | | Transaction Price Per Share: |
| Value: 38.87 |
| | | Transaction Acquired-Disposed Code: |
| Value: D |
| | Post-Transaction Amounts: |
| | | Shares Owned Following Transaction: |
| Value: 9,806 |
| | Ownership Nature: |
| | | Direct or Indirect Ownership: |
| Value: D |
| Non-Derivative Transaction: |
| | Security Title: |
| | | Value: Common Units (Limited Partner Interests) |
| | Transaction Date: |
| | | Value: 3/1/24 |
| | Transaction Coding: |
| | | Transaction Form Type: 4 |
| | | Transaction Code: A |
| | | Equity Swap Involved? No |
| | Transaction Amounts: |
| | | Transaction Shares: |
| Value: 7,784 |
| | | Transaction Price Per Share: |
| Value: 0 |
| | | Transaction Acquired-Disposed Code: |
| Value: A |
| | Post-Transaction Amounts: |
| | | Shares Owned Following Transaction: |
| Value: 17,590 |
| | Ownership Nature: |
| | | Direct or Indirect Ownership: |
| Value: D |
| Remarks: The Reporting Person is Senior Vice President, Logistics and Storage of MPLX GP LLC, the general partner of the Issuer. The Issuer is managed by the directors and executive officers of MPLX GP LLC. |
| Owner Signature: |
| Signature Name: /s/ Molly R. Benson, Attorney-in-Fact for Shawn M. Lyon |
| Signature Date: 3/5/24 |
