Company | Symbol | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| MERC | $12.90 | 1,400 | Director | 17,483 | 2018-03-16 | Filing |
| MERC | $12.90 | 1,200 | Director | 18,883 | 2018-03-14 | Filing |
| MERC | $12.88 | 1,000 | Director | 20,083 | 2018-03-14 | Filing |
| MERC | $14.15 | 1,425 | Director | 8,575 | 2015-02-17 | Filing |