Rubicon Technology, Inc. (RBCN) has 31 open-market insider trades by 15 insiders since 2008. The most active filer is Donald R. Caldwell, Director.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Donald R. Caldwell | Dir | — | 5 | $95.3M | 2017-11-16 |
| Management Lp Co-Invest | 10% | — | 1 | $46.8M | 2014-01-01 |
| Co. Investment 2000 FUND L.P. | 10% | — | 1 | $31.1M | 2014-03-24 |
| Don N. Aquilano | Dir | — | 5 | $15.1M | 2017-09-30 |
| CROSS Atlantic Technology FUND II L.P. | 10% | — | 1 | $14.2M | 2013-03-26 |
| Techventures Fund Lp Gazelle | 10% | — | 1 | $12.4M | 2008-05-12 |
| Raja M. Parvez | Pres | — | 3 | $9.1M | 2014-07-01 |
| William F. Weissman | Pres | — | 2 | $2.9M | 2014-12-31 |
| Bandera Partners LLC | Dir10% Owner | — | 1 | $2.7M | 2022-08-19 |
| Management L.p. Xatf | 10% | — | 1 | $1.5M | 2008-12-31 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Timothy Brog | Director | Sell | $159K | 2023-02-22 |
| Bandera Partners LLC | Director & 10% Owner | Sell | $2.7M | 2022-08-19 |
| Timothy Brog | CEO | Sell | $1.2M | 2022-08-19 |
| Susan Westphal | Director | Sell | $89K | 2022-08-19 |
| Michael E. Mikolajczyk | Director | Sell | $637K | 2022-08-19 |
| Timothy Brog | CEO | Buy | $17K | 2019-06-11 |
Companies that share insiders with RBCN, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| Timothy Brog | CEO | Buy | $64K | 2019-06-06 |
| Donald R. Caldwell | Director | Sell | $1.8M | 2017-11-16 |
| Michael E. Mikolajczyk | Director | Buy | $96K | 2015-12-30 |
| Co. Investment 2000 FUND L.P. | 10% | Sell | $31.1M | 2014-03-24 |
| Co. Investment 2000 FUND L.P. | 10% | Sell | $2.1M | 2013-04-25 |
| CROSS Atlantic Technology FUND II L.P. | 10% | Sell | $2.4M | 2013-03-22 |
| Raja M. Parvez | President | Buy | $44K | 2011-05-23 |
| William F. Weissman | CFO & Secretary | Buy | $45K | 2011-02-23 |
| Michael E. Mikolajczyk | Director | Sell | $568K | 2010-06-21 |