RBCN Insider Trading Activity and SEC Form 4 Filings
RBCN insider trading summary
No open-market insider purchases or sales of Rubicon Technology, Inc. (RBCN) have been reported on SEC Form 4 in the past 12 months.
Latest RBCN insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Feb 22, 2023 | Timothy Brog | Director | Sell | $79K (52,624 @ $1.51) |
| Aug 19, 2022 | Timothy Brog | Chief Executive Officer | Sell | $1.2M (58,315 @ $20.00) |
| Aug 19, 2022 | Bandera Partners LLC | 10% Owner | Sell | $61K (3,059 @ $20.00) |
| Aug 19, 2022 | Jefferson Gramm | Director | Sell | $2.6M (129,933 @ $20.00) |
| Aug 19, 2022 | Gregory Bylinsky | 10% Owner | Sell | $61K (3,059 @ $20.00) |
| Aug 19, 2022 | Gregory Bylinsky | 10% Owner | Sell | $2.6M (129,933 @ $20.00) |
| Aug 19, 2022 | Jefferson Gramm | Director | Sell | $61K (3,059 @ $20.00) |
| Aug 19, 2022 | Bandera Partners LLC | 10% Owner | Sell | $2.6M (129,933 @ $20.00) |
| Aug 19, 2022 | Michael E Mikolajczyk | Director | Sell | $637K (31,851 @ $20.00) |
| Aug 19, 2022 | Susan Westphal | Director | Sell | $89K (4,472 @ $20.00) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.