Michael E. Mikolajczyk, Director at Rubicon Technology, Inc. (RBCN), sold 31,851 shares at $20.00 ($637K) on 2022-08-19, disclosed to the SEC on 2022-08-22.
Open-market sale of $637k RBCN by Director. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| Filing → |
| DTPI | SELL | 2010-06-03 | $204K | — | Filing → |
| DTPI | BUY | 2008-11-14 | $59K | — | Filing → |
| DTPI | BUY | 2008-09-30 | $46K | — | Filing → |