| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| INS | Director | May 19, 2015 | Option Exercise | $2.08 | 4,000 | 8,320 | 37,300 | May 21, 2015, 03:24 PM |
| WAB | Director | May 03, 2011 | Option Exercise | $17.14 | 10,000 | 171,350 | 28,917 | May 04, 2011, 04:31 PM |
| WAB | Director | May 03, 2011 | Sale | $70.67 | 10,000 | 706,712 | 18,917 | May 04, 2011, 04:31 PM |
| VMC | Director | Jan 24, 2011 | Option Exercise | $40.51 | 750 | 30,382 | 7,334 | Jan 25, 2011, 04:01 PM |
| VMC | Director | Jan 24, 2011 | Option Exercise | $42.02 | 150 | 6,303 | 8,084 | Jan 25, 2011, 11:29 AM |
| Symbol | Relationship | Date | Transaction | Value($) |
| INS | Director | May 19, 2015 | Option Exercise | 8,320 |
| WAB | Director | May 03, 2011 | Option Exercise | 171,350 |
| WAB | Director | May 03, 2011 | Sale | 706,712 |
| VMC | Director | Jan 24, 2011 | Option Exercise | 30,382 |
| VMC | Director | Jan 24, 2011 | Option Exercise | 6,303 |