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 |
|---|---|---|---|
| EFFECT | Filing | Apr 23, 2018 | — |
| CORRESP | Letter to the SEC | Apr 19, 2018 | — |
| UPLOAD | Letter from the SEC | Mar 22, 2018 | — |
| UPLOAD | Letter from the SEC | Aug 5, 2013 | — |
| CORRESP | Letter to the SEC | Jul 3, 2013 | — |
| UPLOAD | Letter from the SEC | Jun 24, 2013 | — |
| CT ORDER | Filing | Jun 21, 2013 | — |
| CT ORDER | Filing | Jun 21, 2013 | — |
| CORRESP | Letter to the SEC | May 9, 2013 | — |
| UPLOAD | Letter from the SEC | Apr 29, 2013 | — |
| 8-A12G/A | Amendment to registration of securities pursuant to section 12(g) | Feb 13, 2013 | — |
| EFFECT | Filing | Dec 26, 2012 | — |
| CORRESP | Letter to the SEC | Dec 20, 2012 | — |
| CORRESP | Letter to the SEC | Dec 20, 2012 | — |
| CORRESP | Letter to the SEC | Dec 11, 2012 | — |
| UPLOAD | Letter from the SEC | Dec 3, 2012 | — |
| D | Filing | Oct 15, 2012 | — |
| EFFECT | Filing | Feb 14, 2012 | — |
| CORRESP | Letter to the SEC | Feb 14, 2012 | — |
| CT ORDER | Filing | Jan 31, 2012 | — |
| UPLOAD | Letter from the SEC | Jan 27, 2012 | — |
| CT ORDER | Filing | Feb 22, 2011 | — |
| UPLOAD | Letter from the SEC | Sep 8, 2010 | — |
| CORRESP | Letter to the SEC | Aug 25, 2010 | — |
| UPLOAD | Letter from the SEC | Aug 17, 2010 | — |
| CORRESP | Letter to the SEC | Jul 29, 2010 | — |
| UPLOAD | Letter from the SEC | Jul 15, 2010 | — |
| CT ORDER | Filing | May 13, 2010 | — |
| CT ORDER | Filing | May 13, 2010 | — |
| CT ORDER | Filing | Oct 21, 2009 | — |
| EFFECT | Filing | May 28, 2009 | — |
| CORRESP | Letter to the SEC | May 28, 2009 | — |
| CORRESP | Letter to the SEC | May 27, 2009 | — |
| CORRESP | Letter to the SEC | May 26, 2009 | — |
| UPLOAD | Letter from the SEC | May 22, 2009 | — |
| CT ORDER | Filing | Dec 3, 2008 | — |
| EFFECT | Filing | May 25, 2006 | — |
| CORRESP | Letter to the SEC | Jun 23, 2005 | — |
| CORRESP | Letter to the SEC | Jun 16, 2005 | — |
| UPLOAD | Letter from the SEC | May 19, 2005 | — |
| 8-A12G | Registration statement on form 8-a dated february 24, 2003 | Feb 24, 2003 | — |
| 10-K405 | Form 10-k for year ending 12-31-2001 | Mar 28, 2002 | Dec 31, 2001 |
| 10-K405 | Filing | Mar 30, 2001 | Dec 31, 2000 |
| 10-K405 | Filing | Mar 30, 2000 | Dec 31, 1999 |
| 10-K405 | Filing | Mar 29, 1999 | Dec 31, 1998 |
| 10-K405 | Filing | Mar 27, 1998 | Dec 31, 1997 |
| 10-K405 | Filing | Mar 28, 1997 | Dec 31, 1996 |
| 10-K405 | Filing | Mar 27, 1996 | Dec 31, 1995 |
Showing 48 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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
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.