# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001552000-26-000025
Filing Date
2026-05-05
Accepted
2026-05-05 13:05:22
Documents
110
Period of Report
2026-03-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | mplx-20260331.htm iXBRL | 10-Q | 1574470
2 | EX-10.2 | mplx-20260331xex102.htm | EX-10.2 | 39419
3 | EX-31.1 | mplx-20260331xex311.htm | EX-31.1 | 10241
4 | EX-31.2 | mplx-20260331xex312.htm | EX-31.2 | 10225
5 | EX-32.1 | mplx-20260331xex321.htm | EX-32.1 | 5256
6 | EX-32.2 | mplx-20260331xex322.htm | EX-32.2 | 5230
12 |  | mplx-20260331_g1.jpg | GRAPHIC | 95495
13 |  | mplx-20260331_g2.jpg | GRAPHIC | 21096
14 |  | mplx-20260331_g3.jpg | GRAPHIC | 19137
15 |  | mplx-20260331_g4.jpg | GRAPHIC | 30695
16 |  | mplx-20260331_g5.jpg | GRAPHIC | 20903
17 |  | mplx-20260331_g6.jpg | GRAPHIC | 17800
18 |  | mplx-20260331_g7.jpg | GRAPHIC | 31255
19 |  | mplx-20260331_g8.jpg | GRAPHIC | 29357
20 |  | mplx-20260331_g9.jpg | GRAPHIC | 25701
| Complete submission text file | 0001552000-26-000025.txt |  | 10013647

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
7 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | mplx-20260331.xsd | EX-101.SCH | 63289
8 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | mplx-20260331_cal.xml | EX-101.CAL | 63375
9 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | mplx-20260331_def.xml | EX-101.DEF | 500518
10 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | mplx-20260331_lab.xml | EX-101.LAB | 744110
11 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | mplx-20260331_pre.xml | EX-101.PRE | 659290
114 | EXTRACTED XBRL INSTANCE DOCUMENT | mplx-20260331_htm.xml | XML | 1284351

Mailing Address 200 E. HARDIN STREET FINDLAY OH 45840
Business Address 200 E. HARDIN STREET FINDLAY OH 45840 (419) 422-2121
MPLX LP (Filer) CIK: 0001552000 (see all company filings)

EIN.: 270005456 | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-35714 | Film No.: 26941864
SIC: 4610 Pipe Lines (No Natural Gas)
(CF Office: 01 Energy & Transportation)