FRANK M. SEMPLE - 15 Aug 2025 Form 4 Insider Report for MPLX LP (MPLX)

Role
Director
Signature
/s/ Molly R. Benson, Attorney-in-Fact for Frank M. Semple
Issuer symbol
MPLX
Transactions as of
15 Aug 2025
Transactions value $
$0
Form type
4
Filing time
19 Aug 2025, 14:14:20 UTC
Previous filing
20 May 2025
Next filing
18 Nov 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
SEMPLE FRANK M Director C/O MPLX LP, 200 E. HARDIN STREET, FINDLAY /s/ Molly R. Benson, Attorney-in-Fact for Frank M. Semple 19 Aug 2025 0001270065

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MPLX Common Units (Limited Partner Interests) Award $0 +1.05K +1.91% $0.00 56K 15 Aug 2025 Direct
holding MPLX Common Units (Limited Partner Interests) 333K 15 Aug 2025 Frank M Semple Revocable Trust
holding MPLX Common Units (Limited Partner Interests) 111K 15 Aug 2025 Robin Y Semple 2012 Dynasty Trust
holding MPLX Common Units (Limited Partner Interests) 48.8K 15 Aug 2025 EK Holdings LLC
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Remarks:

The Reporting Person is a Director of MPLX GP LLC, the general partner of the Issuer. The Issuer is managed by the directors and executive officers of MPLX GP LLC.