Garry L. Peiffer serves as Executive at Marathon Petroleum Corp, where they oversee executive responsibilities. Since joining the company, Garry L. Peiffer has executed 111 insider transactions totaling $1.6M, demonstrating a bullish approach to their equity position. Their most recent transaction on Feb 17, 2026 involved receiving (via award) 1,180.52 shares valued at $0.
Garry L. Peiffer currently holds 64,072.34 shares of Marathon Petroleum Corp (MPC), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Garry L. Peiffer has been a net buyer of MPC stock. They have purchased $1.6M and sold $0 worth of shares.
Garry L. Peiffer's most recent insider trade was on Feb 17, 2026, when they sold 1,180.52 shares at $0.00 per share.
Get notified when new Form 4 filings are submitted
| $N/A |
| Discretionary |
| Aug 15, 2025 | MPLX | $0 | Award | 1,157.13 | $N/A | Discretionary |
| Aug 16, 2024 | MPLX | $0 | Award | 1,047.63 | $N/A | Discretionary |
| Jul 1, 2024 | MPLX | $0 | Award | 728.78 | $N/A | Discretionary |
| May 13, 2024 | MPLX | $0 | Award | 1,041.61 | $N/A | Discretionary |
| Apr 1, 2024 | MPLX | $0 | Award | 756.29 | $N/A | Discretionary |
| Feb 14, 2024 | MPLX | $0 | Award | 1,083.34 | $N/A | Discretionary |
| Jan 2, 2024 | MPLX | $0 | Award | 852.2 | $N/A | Discretionary |
| Nov 13, 2023 | MPLX | $0 | Award | 1,123.85 | $N/A | Discretionary |
| Oct 2, 2023 | MPLX | $0 | Award | 889.55 | $N/A | Discretionary |
| Aug 14, 2023 | MPLX | $0 | Award | 993.75 | $N/A | Discretionary |
| Jul 3, 2023 | MPLX | $0 | Award | 808.59 | $N/A | Discretionary |
| May 15, 2023 | MPLX | $0 | Award | 982.42 | $N/A | Discretionary |
| Apr 3, 2023 | MPLX | $0 | Award | 790.68 | $N/A | Discretionary |
| Feb 14, 2023 | MPLX | $0 | Award | 923.36 | $N/A | Discretionary |
| Jan 3, 2023 | MPLX | $0 | Award | 844.08 | $N/A | Discretionary |
| Nov 22, 2022 | MPLX | $0 | Award | 902.52 | $N/A | Discretionary |
| Oct 3, 2022 | MPLX | $0 | Award | 905.8 | $N/A | Discretionary |
| Aug 12, 2022 | MPLX | $0 | Award | 821.93 | $N/A | Discretionary |
| Jul 1, 2022 | MPLX | $0 | Award | 927.18 | $N/A | Discretionary |
| May 13, 2022 | MPLX | $0 | Award | 823.22 | $N/A | Discretionary |
| Apr 1, 2022 | MPLX | $0 | Award | 822.86 | $N/A | Discretionary |
| Feb 14, 2022 | MPLX | $0 | Award | 733.29 | $N/A | Discretionary |
| Jan 3, 2022 | MPLX | $0 | Award | 918.81 | $N/A | Discretionary |
| Nov 19, 2021 | MPLX | $0 | Award | 1,387.97 | $N/A | Discretionary |
| Oct 1, 2021 | MPLX | $0 | Award | 950.24 | $N/A | Discretionary |
| Aug 13, 2021 | MPLX | $0 | Award | 743.07 | $N/A | Discretionary |
| Jul 1, 2021 | MPLX | $0 | Award | 921.58 | $N/A | Discretionary |
| May 14, 2021 | MPLX | $0 | Award | 691.98 | $N/A | Discretionary |