| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| RBCN | Rubicon Technology, Inc. | MIKOLAJCZYK MICHAEL E | Director | Aug 19, 2022 | Sale | $20.00 | 31,851 | 637,020 | 31,456 | Aug 22, 2022, 08:01 AM | |
| RBCN | Rubicon Technology, Inc. | MIKOLAJCZYK MICHAEL E | Director | Jun 10, 2019 | Option Exercise | $8.12 | 12,818 | 104,082 | 59,848 | Jun 10, 2019, 12:37 PM | |
| RBCN | Rubicon Technology, Inc. | MIKOLAJCZYK MICHAEL E | Director | Dec 03, 2018 | Option Exercise | $8.73 | 15,215 | 132,827 | 66,275 | Dec 04, 2018, 05:34 PM | |
| RBCN | Rubicon Technology, Inc. | MIKOLAJCZYK MICHAEL E | Director | Dec 04, 2018 | Option Exercise | $8.64 | 5,000 | 43,200 | 71,275 | Dec 04, 2018, 05:34 PM | |
| RBCN | Rubicon Technology, Inc. | MIKOLAJCZYK MICHAEL E | Director | Nov 29, 2018 | Option Exercise | $8.55 | 358 | 3,061 | 41,731 | Nov 30, 2018, 05:01 PM | |
| RBCN | Rubicon Technology, Inc. | MIKOLAJCZYK MICHAEL E | Director | Nov 30, 2018 | Option Exercise | $8.68 | 9,329 | 80,976 | 51,060 | Nov 30, 2018, 05:01 PM | |
| RBCN | Rubicon Technology, Inc. | MIKOLAJCZYK MICHAEL E | Director | Nov 28, 2018 | Option Exercise | $8.40 | 387 | 3,251 | 41,373 | Nov 28, 2018, 05:17 PM | |
| RBCN | Rubicon Technology, Inc. | MIKOLAJCZYK MICHAEL E | Director | Nov 27, 2018 | Option Exercise | $8.30 | 4,711 | 39,101 | 40,986 | Nov 28, 2018, 05:17 PM | |
| RBCN | Rubicon Technology, Inc. | MIKOLAJCZYK MICHAEL E | Director | Dec 30, 2015 | Buy | $1.20 | 41,300 | 49,560 | 169,469 | Jan 04, 2016, 04:09 PM | |
| RBCN | Rubicon Technology, Inc. | MIKOLAJCZYK MICHAEL E | Director | Dec 31, 2015 | Buy | $1.19 | 38,700 | 46,053 | 208,169 | Jan 04, 2016, 04:09 PM | |
| DTPI | DIAMOND MANAGEMENT & TECHNOLOGY CONSULTANTS, INC. | MIKOLAJCZYK MICHAEL E | Director | Nov 02, 2010 | Option Exercise | $12.50 | 281,784 | 3,522,300 | 0 | Nov 04, 2010, 07:04 PM |
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