Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Rubicon Technology, Inc. (RBCN) since 2014 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Rubicon Technology, Inc.. Table 2 shows the detailed insider transactions. This company's CIK number is 1410172.
Total stock buying since 2014: $175,790.
Total stock sales since 2014: $6,406,334.
Total stock option exercises since 2014: $0.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2023 | 0 | $0 | 52,624 | $79,462 | 0 | $0 |
| 2022 | 0 | $0 | 227,630 | $4,552,600 | 25,000 | $0 |
| 2020 | 0 | $0 | 0 | $0 | 17,280 | $0 |
| 2019 | 10,000 | $80,177 | 0 | $0 | 49,000 | $0 |
| 2018 | 0 | $0 | 0 | $0 | 219 | $0 |
| 2017 | 0 | $0 | 221,784 | $1,774,272 | 315,414 | $0 |
| 2016 | 0 | $0 | 0 | $0 | 54,145 | $0 |
| 2015 | 80,000 | $95,613 | 0 | $0 | 4,146 | $0 |
| 2014 | 0 | $0 | 0 | $0 | 1,156 | $0 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2023-02 | 0 | $0 | 52,624 | $79,462 | 0 | $0 |
| 2022-08 | 0 | $0 | 227,630 | $4,552,600 | 0 | $0 |
| 2022-07 | 0 | $0 | 0 | $0 | 25,000 | $0 |
| 2020-10 | 0 | $0 | 0 | $0 | 17,280 | $0 |
| 2019-09 | 0 | $0 | 0 | $0 | 49,000 | $0 |
| 2019-06 | 10,000 | $80,177 | 0 | $0 | 0 | $0 |
| 2018-07 | 0 | $0 | 0 | $0 | 219 | $0 |
| 2017-11 | 0 | $0 | 221,784 | $1,774,272 | 414 | $0 |
| 2017-06 | 0 | $0 | 0 | $0 | 15,000 | $0 |
| 2017-04 | 0 | $0 | 0 | $0 | 300,000 | $0 |
| 2016-12 | 0 | $0 | 0 | $0 | 33,333 | $0 |
| 2016-11 | 0 | $0 | 0 | $0 | 20,812 | $0 |
| 2015-12 | 80,000 | $95,613 | 0 | $0 | 0 | $0 |
| 2015-11 | 0 | $0 | 0 | $0 | 4,146 | $0 |
| 2014-11 | 0 | $0 | 0 | $0 | 1,156 | $0 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2023-02-22 | Brog Timothy | Sale | 52,624 | 1.51 | 79,462 |
| 2022-08-19 | Westphal Susan | Sale | 4,472 | 20.00 | 89,440 |
| 2022-08-19 | Bylinsky Gregory | Sale | 132,992 | 20.00 | 2,659,840 |
| 2022-08-19 | Brog Timothy (Chief Executive Officer) | Sale | 58,315 | 20.00 | 1,166,300 |
| 2022-08-19 | Mikolajczyk Michael E | Sale | 31,851 | 20.00 | 637,020 |
| 2022-07-18 | Brog Timothy (Chief Executive Officer) | Option Ex | 12,500 | .00 | 0 |
| 2022-07-13 | Brog Timothy (Chief Executive Officer) | Option Ex | 12,500 | .00 | 0 |
| 2020-10-19 | Brog Timothy (President and CEO) | Option Ex | 17,280 | .00 | 0 |
| 2019-09-30 | Brog Timothy (President and CEO) | Option Ex | 49,000 | .00 | 0 |
| 2019-06-11 | Brog Timothy (Chief Executive Officer) | Buy | 2,051 | 8.08 | 16,572 |
| 2019-06-07 | Brog Timothy (Chief Executive Officer) | Buy | 349 | 8.04 | 2,805 |
| 2019-06-06 | Brog Timothy (Chief Executive Officer) | Buy | 7,600 | 8.00 | 60,800 |
| 2018-07-06 | Slavutsky Inga A (Chief Financial Officer) | Option Ex | 219 | .00 | 0 |
| 2017-11-16 | Caldwell Donald R | Sale | 221,784 | 8.00 | 1,774,272 |
| 2017-11-01 | Graffy Mardel A (Chief Financial Officer) | Option Ex | 414 | .00 | 0 |
| 2017-06-09 | Brog Timothy (President and CEO) | Option Ex | 15,000 | .00 | 0 |
| 2017-04-06 | Brog Timothy (President and CEO) | Option Ex | 300,000 | .00 | 0 |
| 2016-12-31 | Tamim Hany (Chief Operating Officer) | Option Ex | 33,333 | .00 | 0 |
| 2016-11-01 | Tamim Hany (Chief Operating Officer) | Option Ex | 16,667 | .00 | 0 |
| 2016-11-01 | Graffy Mardel A (Chief Financial Officer) | Option Ex | 4,145 | .00 | 0 |
| 2015-12-31 | Mikolajczyk Michael E (Director) | Buy | 38,700 | 1.19 | 46,053 |
| 2015-12-30 | Mikolajczyk Michael E (Director) | Buy | 41,300 | 1.20 | 49,560 |
| 2015-11-01 | Graffy Mardel A (Chief Financial Officer) | Option Ex | 4,146 | .00 | 0 |
| 2014-11-01 | Graffy Mardel A (VP - Financial Operations) | Option Ex | 1,156 | .00 | 0 |
Insider trading activities including stock purchases, stock sales, and option exercises of RBCN listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Rubicon Technology, Inc. (symbol RBCN, CIK number 1410172) see the Securities and Exchange Commission (SEC) website.