Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2022-08-19 Sale |
2022-08-22 08:01 am |
Rubicon Technology Inc. | RBCN | MIKOLAJCZYK MICHAEL E Director |
31,851 | $20 | $637,020 | 31,456 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2022-07-29 Option Award |
2022-08-01 4:30 pm |
N/A N/A |
Rubicon Technology Inc. | RBCN | MIKOLAJCZYK MICHAEL E Director |
1,010 | $0 | 63,307 (Direct) |
View |
2021-06-23 Option Award |
2021-06-28 9:22 pm |
N/A N/A |
Rubicon Technology Inc. | RBCN | MIKOLAJCZYK MICHAEL E Director |
1,250 | $0 | 63,307 (Direct) |
View |
2021-06-24 Option Award |
2021-06-28 9:22 pm |
N/A N/A |
Rubicon Technology Inc. | RBCN | MIKOLAJCZYK MICHAEL E Director |
1,010 | $9.9 | 63,307 (Direct) |
View |
2020-07-15 Option Award |
2020-09-15 06:28 am |
N/A N/A |
Rubicon Technology Inc. | RBCN | MIKOLAJCZYK MICHAEL E Director |
1,199 | $0 | 62,297 (Direct) |
View |
2020-07-16 Option Award |
2020-09-15 06:28 am |
N/A N/A |
Rubicon Technology Inc. | RBCN | MIKOLAJCZYK MICHAEL E Director |
1,250 | $8 | 62,297 (Direct) |
View |