Research Frontiers SEC Filings
NASDAQ: REFRMiscellaneousMulti-Sector CompaniesUSD
0.5933-0.0291 (-4.68%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Research Frontiers filing overview
This page lists 60 recent SEC filings by Research Frontiers (REFR), including 27 4, 12 10-Q, 8 8-K, 4 DEF 14A. The latest annual report (10-K/A) was filed on Mar 19, 2026 for the period ending Dec 31, 2025. The most recent quarterly report (10-Q) was filed on Aug 6, 2026.
The latest current report (8-K), used to disclose material events such as earnings releases and executive changes, was filed on Jun 12, 2026. Form 10-K is the audited annual report, 10-Q the quarterly report, 8-K covers material events, and Form 4 reports insider transactions. All documents link directly to SEC EDGAR.
Summary generated from market data by MetaCap's automated system. Methodology
REFR SEC filings
| Filed | Form | Description | Document |
|---|---|---|---|
| Aug 6, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Jun 12, 2026 | 8-K | Submission of Matters to a Vote of Security Holders | View on EDGAR |
| Jun 5, 2026 | 8-K | Notice of Delisting or Failure to Satisfy a Continued Listing Rule; Transfer of Listing | View on EDGAR |
| May 8, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Apr 30, 2026 | DEF 14A | Definitive proxy statement | View on EDGAR |
| Mar 19, 2026 | 10-K/A | Annual report (amendment) | View on EDGAR |
| Mar 5, 2026 | 10-K | Annual report | View on EDGAR |
| Feb 18, 2026 | 8-K | Entry into a Material Definitive Agreement | View on EDGAR |
| Jan 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 6, 2025 | 10-Q | Quarterly report | View on EDGAR |
| Oct 17, 2025 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Sep 15, 2025 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements | View on EDGAR |
| Aug 7, 2025 | 10-Q | Quarterly report | View on EDGAR |
| Jun 13, 2025 | 8-K | Submission of Matters to a Vote of Security Holders | View on EDGAR |
| May 8, 2025 | 10-Q | Quarterly report | View on EDGAR |
| Apr 30, 2025 | DEF 14A | Definitive proxy statement | View on EDGAR |
| Apr 16, 2025 | 10-K/A | Annual report (amendment) | View on EDGAR |
| Mar 6, 2025 | 10-K | Annual report | View on EDGAR |
| Jan 2, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 2, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 2, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 2, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 2, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 7, 2024 | 10-Q | Quarterly report | View on EDGAR |
| Aug 1, 2024 | 10-Q | Quarterly report | View on EDGAR |
| Jun 17, 2024 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 14, 2024 | 8-K | Submission of Matters to a Vote of Security Holders | View on EDGAR |
| Jun 10, 2024 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 9, 2024 | 10-Q | Quarterly report | View on EDGAR |
| Apr 26, 2024 | DEF 14A | Definitive proxy statement | View on EDGAR |
| Mar 7, 2024 | 10-K | Annual report | View on EDGAR |
| Feb 8, 2024 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 24, 2024 | SC 13G | Beneficial ownership report (passive) | View on EDGAR |
| Jan 5, 2024 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 5, 2024 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 5, 2024 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 5, 2024 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 5, 2024 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 12, 2023 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 2, 2023 | 10-Q | Quarterly report | View on EDGAR |
| Oct 19, 2023 | SC 13G | Beneficial ownership report (passive) | View on EDGAR |
| Oct 3, 2023 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 14, 2023 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 3, 2023 | 10-Q | Quarterly report | View on EDGAR |
| Jun 20, 2023 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 16, 2023 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 12, 2023 | 8-K | Submission of Matters to a Vote of Security Holders | View on EDGAR |
| Jun 5, 2023 | 8-K | Notice of Delisting or Failure to Satisfy a Continued Listing Rule; Transfer of Listing; Departure or Appointment of Directors or Officers; Compensatory Arrangements | View on EDGAR |
| May 4, 2023 | 10-Q | Quarterly report | View on EDGAR |
| Apr 28, 2023 | DEF 14A | Definitive proxy statement | View on EDGAR |
| Mar 9, 2023 | 10-K | Annual report | View on EDGAR |
| Feb 10, 2023 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 26, 2023 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 3, 2023 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 3, 2023 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 3, 2023 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 3, 2023 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 3, 2022 | 10-Q | Quarterly report | View on EDGAR |