Research Frontiers Inc SEC filings REFR
Research Frontiers Inc has 904 filings in SEC EDGAR's recent list, going back to Aug 14, 1995. Its latest annual report, Form 10-K, was filed on Mar 5, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Jun 12, 2026 (shareholder vote results). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| S-8 | Employee stock plan registration | Mar 9, 2020 | — |
| 424B2 | Prospectus | Jun 3, 2019 | — |
| 424B2 | Prospectus | Sep 7, 2018 | — |
| 424B2 | Prospectus | Apr 23, 2018 | — |
| S-3 | Shelf registration | Mar 13, 2018 | — |
| S-8 | Employee stock plan registration | Jun 13, 2014 | — |
| 424B5 | Prospectus supplement | May 8, 2014 | — |
| S-3/A | Pre-effective amendment | Dec 20, 2012 | — |
| S-3/A | Pre-effective amendment | Dec 11, 2012 | — |
| S-3 | Shelf registration | Nov 6, 2012 | — |
| 424B5 | Prospectus supplement | Aug 28, 2012 | — |
| 424B5 | Prospectus supplement | Aug 27, 2012 | — |
| 424B2 | Prospectus | Aug 2, 2012 | — |
| S-3 | Shelf registration | Jan 19, 2012 | — |
| S-8 | Employee stock plan registration | Jan 19, 2012 | — |
| 424B2 | Prospectus | Dec 1, 2010 | — |
| 424B2 | Prospectus | Sep 27, 2010 | — |
| 424B2 | Prospectus | Sep 17, 2010 | — |
| 424B2 | Prospectus | Mar 3, 2010 | — |
| 424B2 | Prospectus | Aug 3, 2009 | — |
| S-8 | Employee stock plan registration | May 8, 2009 | — |
| S-3 | Shelf registration | May 8, 2009 | — |
| 424B2 | Prospectus | Feb 14, 2007 | — |
| 424B2 | Prospectus | Oct 12, 2006 | — |
| 424B2 | Prospectus | Aug 28, 2006 | — |
| S-3 | Shelf registration | May 5, 2006 | — |
| 424B2 | Prospectus | Feb 14, 2005 | — |
| S-3/A | Amendment no. 2 to registration statement on form s-3 | Nov 8, 2004 | — |
| S-3/A | Amendment no. 1 to registration statement on form s-3 | Jul 8, 2004 | — |
| S-3 | Shelf registration | Apr 30, 2004 | — |
| 424B3 | Prospectus | Dec 31, 2003 | — |
| S-8 | Employee stock plan registration | Jul 2, 2003 | — |
| 424B3 | Prospectus | Dec 31, 2001 | — |
| S-8 | Employee stock plan registration | Jun 19, 2001 | — |
| 424B3 | Prospectus | Mar 7, 2000 | — |
| S-8 | Employee stock plan registration | Jun 10, 1999 | — |
| S-3/A | Filing | May 21, 1999 | — |
| S-3/A | Filing | Apr 26, 1999 | — |
| S-3/A | Filing | Feb 25, 1999 | — |
| S-3/A | Filing | Dec 24, 1998 | — |
| S-3/A | Filing | Nov 24, 1998 | — |
| S-3 | Shelf registration | Oct 1, 1998 | — |
| S-3/A | Filing | Dec 1, 1997 | — |
| S-3 | Shelf registration | Nov 17, 1997 | — |
| S-8 | Employee stock plan registration | Aug 22, 1997 | — |
| S-8 | Employee stock plan registration | Jul 23, 1996 | — |
Showing 46 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Patent Owners & Lessors (SIC 6794)
- Listed as
- REFR (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Woodbury, NY
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 793524
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.