Financial reports
No filings
Current reports
No filings
Registration and prospectus
Proxies
DFAN14A
Additional proxy materials by non-management
18 Mar 20
DFAN14A
Additional proxy materials by non-management
10 Mar 20
DFAN14A
Additional proxy materials by non-management
1 Oct 18
DFAN14A
Additional proxy materials by non-management
28 Sep 18
DFAN14A
Additional proxy materials by non-management
26 Sep 18
DFAN14A
Additional proxy materials by non-management
20 Sep 18
DFAN14A
Additional proxy materials by non-management
17 Sep 18
DEFC14A
Proxy in contested solicitation
14 Sep 18
PRRN14A
Revised preliminary proxy statement filed by non-management
12 Sep 18
PREC14A
Preliminary proxy with contested solicitation
31 Aug 18
Ownership
SC 13D/A
Rubicon Technology, Inc.
22 Aug 22
SC 13D/A
SCHMITT INDUSTRIES INC
20 Dec 19
SC 13D/A
SCHMITT INDUSTRIES INC
22 Oct 18
SC 13D/A
SCHMITT INDUSTRIES INC
20 Aug 18
SC 13D
SCHMITT INDUSTRIES INC
11 Jun 18
SC 13D/A
SCHMITT INDUSTRIES INC
11 Jun 18
SC 13D/A
Rubicon Technology, Inc.
5 Dec 17
SC 13D
Rubicon Technology, Inc.
4 Dec 17