03/20/2020
8:58 PM | Rubicon Technology (Filer)
| Form 10-K
Annual report pursuant to Section 13 or 15(d) | |
12/19/2019
6:50 AM | Rubicon Technology (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
11/19/2019
10:53 AM | Rich Mathew Jason (Reporting)
Rubicon Technology (Issuer)
| Form 3
Initial statement of beneficial ownership of securities | |
11/18/2019
3:01 PM | Rubicon Technology (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
10/02/2019
3:55 PM | Brog Timothy (Reporting)
Rubicon Technology (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/12/2019
11:38 AM | Brog Timothy (Reporting)
Rubicon Technology (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/10/2019
11:37 AM | MIKOLAJCZYK MICHAEL E (Reporting)
Rubicon Technology (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/10/2019
8:16 AM | Brog Timothy (Reporting)
Rubicon Technology (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/04/2019
7:57 AM | Gramm Jefferson (Reporting)
Rubicon Technology (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/03/2019
6:46 PM | Rubicon Technology (Issuer)
Westphal Susan (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/03/2019
6:44 PM | MIKOLAJCZYK MICHAEL E (Reporting)
Rubicon Technology (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/03/2019
3:01 PM | Rubicon Technology (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
05/14/2019
5:21 AM | Rubicon Technology (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
04/26/2019
3:42 PM | Rubicon Technology (Filer)
| Form DEF 14A
| |
03/22/2019
11:21 AM | Rubicon Technology (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
03/22/2019
7:03 AM | Rubicon Technology (Filer)
| Form 10-K
Annual report pursuant to Section 13 or 15(d) | |
02/14/2019
8:11 AM | ARIEL INVESTMENTS, LLC (Filed by)
Rubicon Technology (Subject)
| Form SC 13G/A
| |
12/04/2018
4:34 PM | MIKOLAJCZYK MICHAEL E (Reporting)
Rubicon Technology (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/30/2018
4:01 PM | MIKOLAJCZYK MICHAEL E (Reporting)
Rubicon Technology (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/28/2018
4:17 PM | MIKOLAJCZYK MICHAEL E (Reporting)
Rubicon Technology (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/19/2018
3:11 PM | Rubicon Technology (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
11/13/2018
3:06 PM | Rubicon Technology (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
09/30/2018
11:00 PM | Rubicon Technology (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
09/05/2018
3:07 PM | Rubicon Technology (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
08/20/2018
3:01 PM | Rubicon Technology (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
08/09/2018
4:26 PM | Rubicon Technology (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
07/09/2018
3:16 PM | Rubicon Technology (Issuer)
Slavutsky Inga A (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/06/2018
2:31 PM | Rubicon Technology (Issuer)
Slavutsky Inga A (Reporting)
| Form 3
Initial statement of beneficial ownership of securities | |
06/04/2018
3:02 PM | Rubicon Technology (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
05/14/2018
12:10 PM | Rubicon Technology (Issuer)
Westphal Susan (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/14/2018
12:09 PM | MIKOLAJCZYK MICHAEL E (Reporting)
Rubicon Technology (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/14/2018
12:08 PM | Gramm Jefferson (Reporting)
Rubicon Technology (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/14/2018
8:01 AM | Rubicon Technology (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
04/26/2018
3:11 PM | Rubicon Technology (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
04/03/2018
1:12 PM | Rubicon Technology (Filer)
| Form PRE 14A
| |
03/20/2018
3:07 PM | Rubicon Technology (Filer)
| Form 10-K
Annual report pursuant to Section 13 or 15(d) | |
03/19/2018
4:43 PM | Rubicon Technology (Issuer)
Westphal Susan (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/19/2018
4:41 PM | MIKOLAJCZYK MICHAEL E (Reporting)
Rubicon Technology (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/19/2018
4:40 PM | Gramm Jefferson (Reporting)
Rubicon Technology (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/13/2018
12:34 PM | ARIEL INVESTMENTS, LLC (Filed by)
Rubicon Technology (Subject)
| Form SC 13G/A
| |
01/04/2018
3:08 PM | Graffy Mardel A (Reporting)
Rubicon Technology (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/04/2018
3:07 PM | Rubicon Technology (Issuer)
Westphal Susan (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/02/2018
3:05 PM | Rubicon Technology (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
01/02/2018
1:56 PM | Brog Timothy (Reporting)
Rubicon Technology (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/18/2017
4:06 PM | Rubicon Technology (Filer)
| Form 8-A12B
| |
12/18/2017
3:55 PM | Rubicon Technology (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
12/05/2017
12:42 PM | Rubicon Technology (Subject)
Sententia Capital Management, LLC (Filed by)
| Form SC 13D/A
| |
12/04/2017
2:54 PM | Rubicon Technology (Subject)
Sententia Capital Management, LLC (Filed by)
| Form SC 13D
| |
