Company | Symbol | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| CCOI | $45.30 | 700 | Director | 71,045 | 2017-12-05 | Filing |
| CCOI | $14.20 | 5,280 | Director | 46,030 | 2011-01-04 | Filing |
| CCOI | $9.99 | 7,500 | Director | 40,750 | 2010-01-04 | Filing |
| CCOI | $6.47 | 11,540 | Director | 33,250 | 2009-01-02 | Filing |