Frank M. Semple

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/ Molly R. Benson, Attorney-in-Fact for Frank M. Semple
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 Frank M. Semple

Form 4 holding Director

MPLX LP

Security class
Common Units (Limited Partner Interests)
Shares / value
333,337
Estimated value
$17,583,527
Report date
15 May 2026
Price
$52.75
Ownership
Frank M Semple Revocable Trust
Form 4 holding Director

MPLX LP

Security class
Common Units (Limited Partner Interests)
Shares / value
111,180
Estimated value
$5,864,745
Report date
15 May 2026
Price
$52.75
Ownership
Robin Y Semple 2012 Dynasty Trust
Form 4 holding Director

MPLX LP

Security class
Common Units (Limited Partner Interests)
Shares / value
61,946
Estimated value
$2,694,429
Report date
15 May 2026
Price
$52.75
Ownership
Direct
Form 4 holding Director

MPLX LP

Security class
Common Units (Limited Partner Interests)
Shares / value
48,777
Estimated value
$2,572,987
Report date
15 May 2026
Price
$52.75
Ownership
EK Holdings LLC

Insider Reports Filed by Frank M. Semple

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