| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| RBCN | Rubicon Technology, Inc. | Weissman William F | President and CEO | Dec 31, 2014 | Option Exercise | $4.36 | 1,903 | 8,297 | 14,136 | Jan 05, 2015, 02:26 PM | |
| RBCN | Rubicon Technology, Inc. | Weissman William F | CFO, Treasurer and Secretary | Jul 01, 2014 | Option Exercise | $8.75 | 1,644 | 14,385 | 16,039 | Jul 03, 2014, 12:23 PM | |
| RBCN | Rubicon Technology, Inc. | Weissman William F | CFO, Treasurer and Secretary | Feb 23, 2011 | Buy | $22.49 | 2,000 | 44,980 | 2,000 | Feb 24, 2011, 04:18 PM |
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