Ticker: MPC CUSIP: 56585A102 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2014 | 3,500 | $305 | $30.73 | $28.22 - $33.35 |
| Q4 2013 | 3,500 | $321 | $26.84 | $21.33 - $32.16 |
| Q3 2013 | 3,500 | $225 | $24.39 | $21.74 - $26.64 |
| Q2 2013 | 3,650 | $327 | $27.55 | $23.97 - $31.16 |