MPLX LP 4

Director Christopher A. Helms received an amended, corrected grant of 2,696.387 MPLX LP common units as his 2026 annual equity retainer award.

On April 30, 2026, Director Christopher A. Helms received an equity retainer award of 2,696.387 common units (limited partner interests) of MPLX LP, reported as an acquisition at no stated price as part of his annual 2026 equity compensation. This amended Form 4 corrects the previously reported size of the award and updates his beneficial ownership balance as of that date to 83,447.484 units. Using the contemporaneous MPLX LP unit price of approximately $59.29, the grant is valued at roughly $160,000 and Helms’ post-award holdings are worth about $4.95 million. The filing notes that the issuer is managed by the directors and executive officers of MPLX GP LLC, where Helms serves as a director, and clarifies that no later transactions are reflected in the reported ownership total.

Filing Facts

CIK

1552000

Ticker

MPLX

Form

4

Source Type

sec

Accession

0001193125-26-335130

Alert Tier

5