| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| SDOI | 10% Owner | Feb 29, 2016 | Sale | $1.18 | 3,504,172 | 4,130,718 | 0 | Mar 01, 2016, 04:22 PM |
| SDOI | 10% Owner | Dec 18, 2015 | Buy | $1.00 | 742,344 | 742,344 | 3,875,344 | Dec 22, 2015, 04:20 PM |
| SDOI | 10% Owner | Dec 18, 2015 | Sale | $1.00 | 371,172 | 371,172 | 3,504,172 | Dec 22, 2015, 04:20 PM |
| STRI | 10% Owner | Jul 01, 2014 | Option Exercise | $1.35 | 5,128 | 6,923 | 1,027,603 | Jul 03, 2014, 12:12 PM |
| STRI | 10% Owner | Jun 02, 2014 | Option Exercise | $1.37 | 24,635 | 33,750 | 1,022,475 | Jun 04, 2014, 03:14 PM |
| STRI | 10% Owner | Mar 14, 2014 | Buy | $1.55 | 187,000 | 289,850 | 775,400 | Mar 18, 2014, 04:31 PM |
| WPCS | 10% Owner | Aug 31, 2010 | Buy | $3.15 | 6,589 | 20,755 | 157,414 | Sep 03, 2010, 06:33 PM |
| WPCS | 10% Owner | Aug 31, 2010 | Buy | $3.15 | 6,589 | 20,755 | 178,858 | Sep 03, 2010, 06:33 PM |
| WPCS | 10% Owner | Sep 02, 2010 | Buy | $3.15 | 1,931 | 6,083 | 174,679 | Sep 03, 2010, 06:33 PM |
| WPCS | 10% Owner | Sep 02, 2010 | Buy | $3.15 | 1,931 | 6,083 | 196,122 | Sep 03, 2010, 06:33 PM |
| WPCS | 10% Owner | Sep 01, 2010 | Buy | $3.15 | 15,334 | 48,302 | 172,748 | Sep 03, 2010, 06:33 PM |
| WPCS | 10% Owner | Sep 01, 2010 | Buy | $3.15 | 15,333 | 48,299 | 194,191 | Sep 03, 2010, 06:33 PM |
| WPCS | 10% Owner | Aug 31, 2010 | Buy | $3.15 | 6,589 | 20,755 | 178,858 | Sep 02, 2010, 05:47 PM |
| WPCS | 10% Owner | Sep 02, 2010 | Buy | $3.15 | 1,931 | 6,083 | 152,756 | Sep 02, 2010, 05:47 PM |
| WPCS | 10% Owner | Sep 02, 2010 | Buy | $3.15 | 1,931 | 6,083 | 196,122 | Sep 02, 2010, 05:47 PM |
| WPCS | 10% Owner | Sep 01, 2010 | Buy | $3.15 | 15,333 | 48,299 | 194,191 | Sep 02, 2010, 05:47 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| SDOI | 10% Owner | Feb 29, 2016 | Sale | 4,130,718 |
| SDOI | 10% Owner | Dec 18, 2015 | Buy | 742,344 |
| SDOI | 10% Owner | Dec 18, 2015 | Sale | 371,172 |
| STRI | 10% Owner | Jul 01, 2014 | Option Exercise | 6,923 |
| STRI | 10% Owner | Jun 02, 2014 | Option Exercise | 33,750 |
| STRI | 10% Owner | Mar 14, 2014 | Buy | 289,850 |
| WPCS | 10% Owner | Aug 31, 2010 | Buy | 20,755 |
| WPCS | 10% Owner | Aug 31, 2010 | Buy | 20,755 |
| WPCS | 10% Owner | Sep 02, 2010 | Buy | 6,083 |
| WPCS | 10% Owner | Sep 02, 2010 | Buy | 6,083 |
| WPCS | 10% Owner | Sep 01, 2010 | Buy | 48,302 |
| WPCS | 10% Owner | Sep 01, 2010 | Buy | 48,299 |
| WPCS | 10% Owner | Aug 31, 2010 | Buy | 20,755 |
| WPCS | 10% Owner | Sep 02, 2010 | Buy | 6,083 |
| WPCS | 10% Owner | Sep 02, 2010 | Buy | 6,083 |
| WPCS | 10% Owner | Sep 01, 2010 | Buy | 48,299 |