# Mplx LP (MPLX) insider trading, Q3 2026

Canonical: https://sec-api.dev/insider-trading/mplx

> 14 non-derivative transactions: 0 purchases, 0 sales. CIK 1552000.

| Date | Insider | Relationship | Code | Shares | Price | Owned after | Filing |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2026-08-14 | Breves Christine S | Director | A | 218.82 | 0.0 | 15038.28 | https://www.sec.gov/Archives/edgar/data/1552000/000119312526355598/0001193125-26-355598-index.htm |
| 2026-08-14 | HELMS CHRISTOPHER A | Director | A | 1336.96 | 0.0 | 86208.4 | https://www.sec.gov/Archives/edgar/data/1552000/000119312526355604/0001193125-26-355604-index.htm |
| 2026-08-14 | SEMPLE FRANK M | Director | A | 1072.72 | 0.0 | 63475.96 | https://www.sec.gov/Archives/edgar/data/1552000/000119312526355612/0001193125-26-355612-index.htm |
| 2026-08-14 | STICE J MICHAEL | Director | A | 982.72 | 0.0 | 58412.91 | https://www.sec.gov/Archives/edgar/data/1552000/000119312526355617/0001193125-26-355617-index.htm |
| 2026-08-14 | SURMA JOHN P | Director | A | 1563.43 | 0.0 | 95447.78 | https://www.sec.gov/Archives/edgar/data/1552000/000119312526355627/0001193125-26-355627-index.htm |
| 2026-08-14 | Walker Ray N JR | Director | A | 81.94 | 0.0 | 4609.29 | https://www.sec.gov/Archives/edgar/data/1552000/000119312526355640/0001193125-26-355640-index.htm |
| 2026-08-14 | Peiffer Garry L. | Director | A | 1232.17 | 0.0 | 69313.23 | https://www.sec.gov/Archives/edgar/data/1552000/000119312526355727/0001193125-26-355727-index.htm |
| 2026-04-30 | Breves Christine S | Director | A | 2696.39 | 0.0 | 14533.84 | https://www.sec.gov/Archives/edgar/data/1552000/000119312526335070/0001193125-26-335070-index.htm |
| 2026-04-30 | HELMS CHRISTOPHER A | Director | A | 2696.39 | 0.0 | 83447.48 | https://www.sec.gov/Archives/edgar/data/1552000/000119312526335130/0001193125-26-335130-index.htm |
| 2026-04-30 | Peiffer Garry L. | Director | A | 2696.39 | 0.0 | 66768.73 | https://www.sec.gov/Archives/edgar/data/1552000/000119312526335159/0001193125-26-335159-index.htm |
| 2026-04-30 | SEMPLE FRANK M | Director | A | 3028.94 | 0.0 | 61201.28 | https://www.sec.gov/Archives/edgar/data/1552000/000119312526335174/0001193125-26-335174-index.htm |
| 2026-04-30 | STICE J MICHAEL | Director | A | 3028.94 | 0.0 | 56324.1 | https://www.sec.gov/Archives/edgar/data/1552000/000119312526335197/0001193125-26-335197-index.htm |
| 2026-04-30 | SURMA JOHN P | Director | A | 3028.94 | 0.0 | 92219.2 | https://www.sec.gov/Archives/edgar/data/1552000/000119312526335208/0001193125-26-335208-index.htm |
| 2026-04-30 | Walker Ray N JR | Director | A | 2696.39 | 0.0 | 4440.09 | https://www.sec.gov/Archives/edgar/data/1552000/000119312526335219/0001193125-26-335219-index.htm |

Source: https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets

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