# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001552000-26-000038
Filing Date
2026-08-04
Accepted
2026-08-04 13:43:13
Documents
114
Period of Report
2026-06-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | mplx-20260630.htm iXBRL | 10-Q | 2051097
2 | EX-10.2 | mplx-20260630xex102.htm | EX-10.2 | 285866
3 | EX-10.3 | mplx-20260630xex103.htm | EX-10.3 | 11813
4 | EX-31.1 | mplx-20260630xex311.htm | EX-31.1 | 10067
5 | EX-31.2 | mplx-20260630xex312.htm | EX-31.2 | 10051
6 | EX-32.1 | mplx-20260630xex321.htm | EX-32.1 | 5182
7 | EX-32.2 | mplx-20260630xex322.htm | EX-32.2 | 5156
13 |  | mplx-20260630_g1.jpg | GRAPHIC | 99098
14 |  | mplx-20260630_g2.jpg | GRAPHIC | 21744
15 |  | mplx-20260630_g3.jpg | GRAPHIC | 18982
16 |  | mplx-20260630_g4.jpg | GRAPHIC | 30610
17 |  | mplx-20260630_g5.jpg | GRAPHIC | 21045
18 |  | mplx-20260630_g6.jpg | GRAPHIC | 17678
19 |  | mplx-20260630_g7.jpg | GRAPHIC | 30350
20 |  | mplx-20260630_g8.jpg | GRAPHIC | 28914
21 |  | mplx-20260630_g9.jpg | GRAPHIC | 25441
| Complete submission text file | 0001552000-26-000038.txt |  | 11825920

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
8 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | mplx-20260630.xsd | EX-101.SCH | 66509
9 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | mplx-20260630_cal.xml | EX-101.CAL | 63943
10 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | mplx-20260630_def.xml | EX-101.DEF | 570731
11 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | mplx-20260630_lab.xml | EX-101.LAB | 758496
12 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | mplx-20260630_pre.xml | EX-101.PRE | 674168
118 | EXTRACTED XBRL INSTANCE DOCUMENT | mplx-20260630_htm.xml | XML | 1687176

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.: 261237170
SIC: 4610 Pipe Lines (No Natural Gas)
(CF Office: 01 Energy & Transportation)