| Date Filed | Type | Description |
| 08/22/2022 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 08/01/2022 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 06/28/2021 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 09/15/2020 |
4
| Westphal Susan (Director) has filed a Form 4 on Rubicon Technology, Inc.|
Txns:
| Granted 1,199 shares
@ $0
Granted 1,250 restricted stock units
@ $8, valued at
$10k
|
|
| 06/03/2019 |
4
| Westphal Susan (Director) has filed a Form 4 on Rubicon Technology, Inc.|
Txns:
| Granted 1,391 shares
@ $0
Granted 1,199 restricted stock units
@ $8.34, valued at
$10k
|
|
| 05/14/2018 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 03/19/2018 |
4
| Westphal Susan (Director) has filed a Form 4 on Rubicon Technology, Inc.|
Txns:
| Granted 626 shares
@ $0 |
|
| 01/04/2018 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 10/03/2017 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 07/05/2017 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 04/04/2017 |
4
| Westphal Susan (Director) has filed a Form 4 on Rubicon Technology, Inc.|
Txns:
| Granted 1,673 shares
@ $0 |
|
| 03/27/2017 |
3
| Form 3 - Initial statement of beneficial ownership of securities |