RUBICON TECHNOLOGY, INC. Form DEFA14A: Additional definitive proxy soliciting materials
Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.
- 2022-07-05: Form DEFA14A; Description CURRENT REPORT; Document ea162325-8k_rubicontech.htm.
- 2017-04-24: Form DEFA14A; Description CURRENT REPORT; Document f8k041917_rubicontechnology.htm.
- 2017-03-16: Form DEFA14A; Description FORM 8-K; Document d345411d8k.htm.
- 2017-02-21: Form DEFA14A; Description FORM 8-K; Document d353367d8k.htm.
| Filed | Form | Period of report | Description | Document |
|---|---|---|---|---|
| 2022-07-05 | DEFA14A | CURRENT REPORT | ea162325-8k_rubicontech.htm | |
| 2017-04-24 | DEFA14A | CURRENT REPORT | f8k041917_rubicontechnology.htm | |
| 2017-03-16 | DEFA14A | FORM 8-K | d345411d8k.htm | |
| 2017-02-21 | DEFA14A | FORM 8-K | d353367d8k.htm | |
| 2016-06-13 | DEFA14A | FORM 8-K | d202990d8k.htm | |
| 2016-06-03 | DEFA14A | FORM 8-K | d193207d8k.htm | |
| 2016-06-01 | DEFA14A | FORM 8-K | d202226d8k.htm | |
| 2016-05-27 | DEFA14A | FORM 8-K | d190898d8k.htm | |
| 2016-05-18 | DEFA14A | FORM 8-K | d171518d8k.htm | |
| 2016-04-18 | DEFA14A | FORM 8-K | d180693d8k.htm | |
| 2015-04-30 | DEFA14A | DEFA14A | d867662ddefa14a.htm | |
| 2014-04-30 | DEFA14A | DEFA14A | d716790ddefa14a.htm | |
| 2013-04-30 | DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | d478920ddefa14a.htm | |
| 2012-04-30 | DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | d344535ddefa14a.htm |