Mannen Maryann T.

Insider Reports History

Identity Names, identifiers, and filing context for this profile. 1 identity field
Reporting-owner location
Findlay, OH
SEC source record Original filing metadata and source links for verification. 1 source field
Latest reporting-owner signature
/s/ Richard J. Baker, attorney-in-fact
Source: Latest parsed Forms 3/4/5 signature
Source evidence Original filing metadata and source links for verification. 1 source field
Transaction source note
Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.

Reported holdings for Mannen Maryann T.

Form 4 holding Chairman, President & CEO, Director

MPLX LP

Security class
Common Units (Limited Partner Interests)
Shares / value
165,459
Estimated value
$9,798,481
Report date
02 Mar 2026
Price
$59.22
Ownership
Direct

Insider Reports Filed by Mannen Maryann T.

4 MPLX

MPLX LP

Report period
01 Mar 2026
Transactions
4
Transaction value
-$782,888
Accepted by SEC
03 Mar 2026, 19:34
Role
Chairman, President & CEO, Director
Next action
Open filing details
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