| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| ROCK | Director | May 02, 2014 | Option Exercise | $16.76 | 3,103 | 52,006 | 10,156 | May 06, 2014, 03:11 PM |
| ROCK | Director | May 02, 2013 | Option Exercise | $16.83 | 2,198 | 36,992 | 9,053 | May 06, 2013, 03:35 PM |
| ROCK | Director | May 03, 2012 | Option Exercise | $11.86 | 1,855 | 22,000 | 7,855 | May 07, 2012, 02:19 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| ROCK | Director | May 02, 2014 | Option Exercise | 52,006 |
| ROCK | Director | May 02, 2013 | Option Exercise | 36,992 |
| ROCK | Director | May 03, 2012 | Option Exercise | 22,000 |