| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| HITT | Vice President of Engineering | May 02, 2013 | Sale | $54.79 | 5,000 | 273,970 | 45,176 | May 06, 2013, 05:02 PM |
| HITT | Vice President of Engineering | Feb 28, 2013 | Option Exercise | $65.01 | 1,631 | 106,031 | 54,937 | Mar 04, 2013, 12:12 PM |
| HITT | Vice President of Engineering | Feb 25, 2013 | Option Exercise | $65.93 | 2,732 | 180,121 | 54,618 | Feb 26, 2013, 07:40 PM |
| HITT | Vice President of Engineering | Feb 11, 2013 | Option Exercise | $64.28 | 254 | 16,327 | 57,350 | Feb 13, 2013, 04:08 PM |
| HITT | Vice President of Engineering | Aug 07, 2012 | Option Exercise | $52.16 | 42 | 2,191 | 57,562 | Dec 13, 2012, 09:58 PM |
| HITT | Vice President of Engineering | Aug 16, 2012 | Sale | $51.94 | 88 | 4,571 | 57,604 | Aug 16, 2012, 02:07 PM |
| HITT | Vice President of Engineering | Feb 13, 2012 | Sale | $54.38 | 5,460 | 296,892 | 57,692 | Feb 15, 2012, 12:02 PM |
| HITT | Vice President of Engineering | Dec 14, 2011 | Option Exercise | $49.91 | 424 | 21,162 | 60,472 | Dec 16, 2011, 05:56 PM |
| HITT | Vice President of Engineering | Dec 12, 2011 | Option Exercise | $52.27 | 2,117 | 110,656 | 58,086 | Dec 16, 2011, 05:02 PM |
| HITT | Vice President of Engineering | Jul 21, 2011 | Option Exercise | $60.85 | 44 | 2,677 | 60,203 | Dec 16, 2011, 05:02 PM |
| HITT | Vice President of Engineering | Dec 13, 2011 | Sale | $50.75 | 1,151 | 58,416 | 60,896 | Dec 15, 2011, 09:16 PM |
| HITT | Vice President of Engineering | Jul 21, 2010 | Option Exercise | $46.81 | 81 | 3,792 | 62,262 | May 09, 2011, 08:13 PM |
| HITT | Vice President of Engineering | Feb 28, 2011 | Option Exercise | $62.25 | 843 | 52,477 | 61,398 | May 09, 2011, 08:13 PM |
| HITT | Vice President of Engineering | Aug 07, 2010 | Option Exercise | $46.71 | 21 | 981 | 62,241 | May 09, 2011, 08:13 PM |
| HITT | Vice President of Engineering | Aug 06, 2008 | Option Exercise | $17.00 | 6,666 | 113,322 | 62,343 | May 09, 2011, 08:13 PM |
| HITT | Vice President of Engineering | Sep 01, 2010 | Sale | $42.98 | 43 | 1,848 | 47,497 | Sep 01, 2010, 11:21 AM |
| HITT | Vice President of Engineering | Aug 16, 2010 | Option Exercise | $17.00 | 13,334 | 226,678 | 61,046 | Aug 18, 2010, 03:40 PM |
| HITT | Vice President of Engineering | Aug 16, 2010 | Sale | $44.53 | 13,506 | 601,415 | 48,840 | Aug 18, 2010, 03:40 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| HITT | Vice President of Engineering | May 02, 2013 | Sale | 273,970 |
| HITT | Vice President of Engineering | Feb 28, 2013 | Option Exercise | 106,031 |
| HITT | Vice President of Engineering | Feb 25, 2013 | Option Exercise | 180,121 |
| HITT | Vice President of Engineering | Feb 11, 2013 | Option Exercise | 16,327 |
| HITT | Vice President of Engineering | Aug 07, 2012 | Option Exercise | 2,191 |
| HITT | Vice President of Engineering | Aug 16, 2012 | Sale | 4,571 |
| HITT | Vice President of Engineering | Feb 13, 2012 | Sale | 296,892 |
| HITT | Vice President of Engineering | Dec 14, 2011 | Option Exercise | 21,162 |
| HITT | Vice President of Engineering | Dec 12, 2011 | Option Exercise | 110,656 |
| HITT | Vice President of Engineering | Jul 21, 2011 | Option Exercise | 2,677 |
| HITT | Vice President of Engineering | Dec 13, 2011 | Sale | 58,416 |
| HITT | Vice President of Engineering | Jul 21, 2010 | Option Exercise | 3,792 |
| HITT | Vice President of Engineering | Feb 28, 2011 | Option Exercise | 52,477 |
| HITT | Vice President of Engineering | Aug 07, 2010 | Option Exercise | 981 |
| HITT | Vice President of Engineering | Aug 06, 2008 | Option Exercise | 113,322 |
| HITT | Vice President of Engineering | Sep 01, 2010 | Sale | 1,848 |
| HITT | Vice President of Engineering | Aug 16, 2010 | Option Exercise | 226,678 |
| HITT | Vice President of Engineering | Aug 16, 2010 | Sale | 601,415 |