Garry L. Peiffer - 15 Aug 2025 Form 4 Insider Report for MPLX LP (MPLX)

Role
Director
Signature
/s/ Molly R. Benson, Attorney-in-Fact for Garry L. Peiffer
Issuer symbol
MPLX
Transactions as of
15 Aug 2025
Net transactions value
$0
Form type
4
Filing time
19 Aug 2025, 14:11:37 UTC
Previous filing
20 May 2025
Next filing
18 Nov 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Peiffer Garry L. Director C/O MPLX LP, 200 E. HARDIN STREET, FINDLAY /s/ Molly R. Benson, Attorney-in-Fact for Garry L. Peiffer 19 Aug 2025 0001521094

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MPLX Common Units (Limited Partner Interests) Award $0 +1,157 +1.9% $0.000000 61,645 15 Aug 2025 Direct
holding MPLX Common Units (Limited Partner Interests) 68,497 15 Aug 2025 By Revocable Trust F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 By Garry L. Peiffer Revocable Trust.

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.