Form 4 for MPLX MPLX LP
Accepted 2026-03-03 00:00:00 ET · period of report 2026-03-01 · accession 0001408964-26-000004 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-03-03 | 2026-03-01 | MPLX | Mannen Maryann T. | COB, Pres, CEO, Dir | A - Grant | $0.00 | +52.8K | 178.7K | +42% | $0 | |
| M | 2026-03-03 | 2026-03-02 | MPLX | Mannen Maryann T. | COB, Pres, CEO, Dir | F - Tax | $59.22 | -13.2K | 165.5K | -7% | -$782.9K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Units (Limited Partner Interests) | 2026-03-01 | A | A | 52,817 | $0.00 | 178,679 | D | — | — | |
| 2 | Common | Common Units (Limited Partner Interests) | 2026-03-02 | F | D | 3,407 | $59.22 | 175,272 | D | — | — | |
| 3 | Common | Common Units (Limited Partner Interests) | 2026-03-02 | F | D | 3,404 | $59.22 | 171,868 | D | — | — | |
| 4 | Common | Common Units (Limited Partner Interests) | 2026-03-02 | F | D | 6,409 | $59.22 | 165,459 | D | — | — |