RESEARCH FRONTIERS INC — DEFA14A Filings
4 DEFA14A filings on record
This page lists all DEFA14A filings submitted to the SEC by RESEARCH FRONTIERS INC (REFR), sorted by most recent first. Each row links to the full filing on EdgarLookup. RESEARCH FRONTIERS INC has filed 4 DEFA14A documents with the SEC since 1995. To view all SEC filings by RESEARCH FRONTIERS INC, see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
10-Q/A
3
3/A
4
4/A
424B2
424B3
424B5
8-A12G
8-A12G/A
8-K
8-K/A
CORRESP
CT ORDER
D
DEF 14A
DEFA14A
EFFECT
PRE 14A
S-3
S-3/A
S-8
SC 13D
SC 13G
SC 13G/A
SCHEDULE 13G
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| DEFA14A | — | 0001493152-18-005411 | Apr 18, 2018 | — |
| DEFA14A | — | 0001493152-17-004402 | Apr 26, 2017 | — |
| DEFA14A | DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS | 0001206774-16-005584 | Apr 26, 2016 | — |
| DEFA14A | DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS | 0001206774-15-001414 | Apr 28, 2015 | — |