| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| DRAM | Chief Executive Officer | Feb 01, 2017 | Option Exercise | $1.47 | 8,000 | 11,760 | 214,111 | Feb 03, 2017, 11:15 AM |
| DRAM | Chief Executive Officer | Jun 16, 2016 | Option Exercise | $0.84 | 100,000 | 84,000 | 618,333 | Jun 17, 2016, 05:27 PM |
| DRAM | CEO | Jan 13, 2016 | Option Exercise | $0.60 | 280,000 | 168,000 | 351,666 | Jan 15, 2016, 05:23 PM |
| DRAM | CEO | Jun 08, 2015 | Buy | $2.00 | 50,000 | 100,000 | 100,000 | Jun 18, 2015, 05:14 PM |
| DRAM | CEO | Jan 31, 2015 | Buy | $2.00 | 50,000 | 100,000 | 50,000 | Feb 06, 2015, 10:33 AM |
| Symbol | Relationship | Date | Transaction | Value($) |
| DRAM | Chief Executive Officer | Feb 01, 2017 | Option Exercise | 11,760 |
| DRAM | Chief Executive Officer | Jun 16, 2016 | Option Exercise | 84,000 |
| DRAM | CEO | Jan 13, 2016 | Option Exercise | 168,000 |
| DRAM | CEO | Jun 08, 2015 | Buy | 100,000 |
| DRAM | CEO | Jan 31, 2015 | Buy | 100,000 |