Ticker: MPC CUSIP: 56585A102 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2017 | 1,413,864 | $79,289 | $41.33 | $38.12 - $43.73 |
| Q2 2017 | 1,702,000 | $89,066 | $39.52 | $36.41 - $42.36 |
| Q1 2017 | 1,024,000 | $51,753 | $37.82 | $35.47 - $41.31 |
| Q4 2016 | 195,000 | $9,818 | $34.23 | $30.03 - $38.70 |