Rubicon Technology, Inc. — DEFA14A Filings
14 DEFA14A filings on record
This page lists all DEFA14A filings submitted to the SEC by Rubicon Technology, Inc. (RBCN), sorted by most recent first. Each row links to the full filing on EdgarLookup. Rubicon Technology, Inc. has filed 14 DEFA14A documents with the SEC since 2007. To view all SEC filings by Rubicon Technology, Inc., see the full filings list.
All
10-K
10-K/A
10-Q
10-Q/A
15-15D
25
3
3/A
4
4/A
424B2
424B4
424B5
8-A12B
8-A12B/A
8-K
8-K/A
ARS
AW
CERTNAS
CORRESP
CT ORDER
DEF 14A
DEFA14A
DEFC14A
DFAN14A
EFFECT
FWP
NT 10-K/A
POS AM
PRE 14A
PREC14A
PRER14A
PRRN14A
PX14A6G
RW
S-1
S-1/A
S-1MEF
S-3
S-3/A
S-3MEF
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC 14D9
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| DEFA14A | CURRENT REPORT | 0001213900-22-037065 | Jul 5, 2022 | — |
| DEFA14A | CURRENT REPORT | 0001213900-17-004154 | Apr 24, 2017 | — |
| DEFA14A | FORM 8-K | 0001193125-17-085595 | Mar 16, 2017 | — |
| DEFA14A | FORM 8-K | 0001193125-17-049519 | Feb 21, 2017 | — |
| DEFA14A | FORM 8-K | 0001193125-16-620263 | Jun 13, 2016 | — |
| DEFA14A | FORM 8-K | 0001193125-16-612685 | Jun 3, 2016 | — |
| DEFA14A | FORM 8-K | 0001193125-16-608749 | Jun 1, 2016 | — |
| DEFA14A | FORM 8-K | 0001193125-16-604696 | May 27, 2016 | — |
| DEFA14A | FORM 8-K | 0001193125-16-594120 | May 18, 2016 | — |
| DEFA14A | FORM 8-K | 0001193125-16-544994 | Apr 18, 2016 | — |
| DEFA14A | DEFA14A | 0001193125-15-160683 | Apr 30, 2015 | — |
| DEFA14A | DEFA14A | 0001193125-14-170326 | Apr 30, 2014 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-13-187431 | Apr 30, 2013 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-12-194780 | Apr 30, 2012 | — |