# Research Frontiers Inc: overview REFR · Nasdaq · CIK 793524 · [Financials](/sectors/financials.md) · fiscal year ends Dec 31 Pages: [Overview](/companies/refr.md) · [Financials](/companies/refr/financials.md) · [Filings](/companies/refr/filings.md) · [Insiders](/companies/refr/insiders.md) Latest reported revenue: [$86.3k](/filings/0001493152-26-036332.md) for Q2 FY2026, three months to 2026-06-30, from the 10-Q filed Aug 6, 2026 (XBRL us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax, accession 0001493152-26-036332). ## Last eight quarters | Line item | Unit | Q3 FY2024 (2024-09-30) | Q4 FY2024 (2024-12-31) | Q1 FY2025 (2025-03-31) | Q2 FY2025 (2025-06-30) | Q3 FY2025 (2025-09-30) | Q4 FY2025 (2025-12-31) | Q1 FY2026 (2026-03-31) | Q2 FY2026 (2026-06-30) | | --- | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | | Revenue | $k | [354](/filings/0001493152-25-021062.md) | [178 d](/filings/0001493152-26-008988.md) | [560](/filings/0001493152-26-021790.md) | [130](/filings/0001493152-26-036332.md) | [359](/filings/0001493152-25-021062.md) | [72.1 d](/filings/0001493152-26-008988.md) | [136](/filings/0001493152-26-021790.md) | [86.3](/filings/0001493152-26-036332.md) | | Gross margin | % | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not reported | | Operating margin | % | [(65.4%)](/filings/0001493152-25-021062.md) | [(350.4%) d](/filings/0001493152-26-008988.md) | [(42.8%)](/filings/0001493152-26-021790.md) | [(627.5%)](/filings/0001493152-26-036332.md) | [(84.6%)](/filings/0001493152-25-021062.md) | [(1072.5%) d](/filings/0001493152-26-008988.md) | [(389.1%)](/filings/0001493152-26-021790.md) | [(775.7%)](/filings/0001493152-26-036332.md) | | Net margin | % | [(47.1%)](/filings/0001493152-25-021062.md) | [(341.2%) d](/filings/0001493152-26-008988.md) | [(31.7%)](/filings/0001493152-26-021790.md) | [(618.8%)](/filings/0001493152-26-036332.md) | [(83.0%)](/filings/0001493152-25-021062.md) | [(1061.5%) d](/filings/0001493152-26-008988.md) | [(385.4%)](/filings/0001493152-26-021790.md) | [(764.6%)](/filings/0001493152-26-036332.md) | | Diluted EPS | $ per share | [0.00](/filings/0001493152-25-021062.md) | not reported | [(0.01)](/filings/0001493152-26-021790.md) | [(0.02)](/filings/0001493152-26-036332.md) | [(0.01)](/filings/0001493152-25-021062.md) | not reported | [(0.02)](/filings/0001493152-26-021790.md) | [(0.02)](/filings/0001493152-26-036332.md) | | Free cash flow | $k | [(259) d](/filings/0001493152-25-021062.md) | [46.2 d](/filings/0001493152-26-008988.md) | [(641)](/filings/0001493152-26-021790.md) | [(78.5) d](/filings/0001493152-26-036332.md) | [(144) d](/filings/0001493152-25-021062.md) | [(466) d](/filings/0001493152-26-008988.md) | [(760)](/filings/0001493152-26-021790.md) | [(191) d](/filings/0001493152-26-036332.md) | - Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure. - Gross margin (gross profit / revenue). XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure. - Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure. - Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure. - Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted. - Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. Derived values: 9-month figure less the 6-month figure; 12-month figure less the 9-month figure; 6-month figure less the 3-month figure. ## Last five fiscal years | Line item | Unit | FY2021 (2021-12-31) | FY2022 (2022-12-31) | FY2023 (2023-12-31) | FY2024 (2024-12-31) | FY2025 (2025-12-31) | | --- | --- | ---: | ---: | ---: | ---: | ---: | | Revenue | $k | [1,263](/filings/0001493152-23-007116.md) | [540](/filings/0001493152-24-009207.md) | [910](/filings/0001493152-25-009377.md) | [1,336](/filings/0001493152-26-008988.md) | [1,121](/filings/0001493152-26-008988.md) | | Gross margin | % | not reported | not reported | not reported | not reported | not reported | | Operating margin | % | [(145.6%)](/filings/0001493152-23-007116.md) | [(486.4%)](/filings/0001493152-24-009207.md) | [(223.5%)](/filings/0001493152-25-009377.md) | [(108.0%)](/filings/0001493152-26-008988.md) | [(190.2%)](/filings/0001493152-26-008988.md) | | Net margin | % | [(146.2%)](/filings/0001493152-23-007116.md) | [(494.6%)](/filings/0001493152-24-009207.md) | [(209.8%)](/filings/0001493152-25-009377.md) | [(98.2%)](/filings/0001493152-26-008988.md) | [(182.4%)](/filings/0001493152-26-008988.md) | | Diluted EPS | $ per share | [(0.06)](/filings/0001493152-22-006393.md) | [(0.08)](/filings/0001493152-24-009207.md) | [(0.06)](/filings/0001493152-25-009377.md) | [(0.04)](/filings/0001493152-26-008988.md) | [(0.06)](/filings/0001493152-26-008988.md) | | Free cash flow | $k | [(1,805)](/filings/0001493152-23-007116.md) | [(2,184)](/filings/0001493152-24-009207.md) | [(2,297)](/filings/0001493152-25-009377.md) | [(790)](/filings/0001493152-26-008988.md) | [(1,330)](/filings/0001493152-26-008988.md) | - Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. - Gross margin (gross profit / revenue). XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. - Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. - Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. - Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareBasicAndDiluted; Diluted EPS: us-gaap:EarningsPerShareDiluted. - Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing. ## Insider purchases and sales The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/refr/insiders.md) None in coverage. ## Funds that report holding it From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md) | Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before | | --- | --- | ---: | ---: | --- | --- | | [MGO ONE SEVEN LLC](/funds/1731444.md) | 2026-06-30 | $461.0k | 886,602 | | Reduced −31,580 | | [VANGUARD CAPITAL MANAGEMENT LLC](/funds/2100119.md) | 2026-06-30 | $301.9k | 580,654 | | Added +12,500 | | [BlackRock, Inc.](/funds/2012383.md) | 2026-06-30 | $276.9k | 532,542 | | Reduced −75,856 | | [Focus Partners Wealth](/funds/1542153.md) | 2026-06-30 | $258.1k | 496,422 | | Unchanged | | [GEODE CAPITAL MANAGEMENT, LLC](/funds/1214717.md) | 2026-06-30 | $159.1k | 305,847 | | Added +3,086 | | [VANGUARD FIDUCIARY TRUST CO](/funds/933478.md) | 2026-06-30 | $92.1k | 177,030 | | Unchanged | | [SUSQUEHANNA INTERNATIONAL GROUP, LLP](/funds/1446194.md) | 2026-06-30 | $80.6k | 155,066 | | Reduced −1,720 | | [STATE STREET CORP](/funds/93751.md) | 2026-06-30 | $54.9k | 105,623 | | Unchanged | | [SHUFRO ROSE & CO LLC](/funds/908195.md) | 2026-06-30 | $50.7k | 97,500 | | Unchanged | | [NORTHERN TRUST CORP](/funds/73124.md) | 2026-06-30 | $27.4k | 52,630 | | Unchanged | ## Recent filings [All 592 filings](/companies/refr/filings.md) | Filed | Accepted | Form | What it is | Accession | | --- | --- | --- | --- | --- | | 2026-08-06 | 16:02 ET | [10-Q](/filings/0001493152-26-036332.md) | Quarterly report, period 2026-06-30 | 0001493152-26-036332 | | 2026-06-12 | 06:02 ET | [8-K](/filings/0001493152-26-028339.md) | 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001493152-26-028339 | | 2026-06-05 | 17:00 ET | [8-K](/filings/0001493152-26-027517.md) | 3.01 Delisting notice; 9.01 Financial statements and exhibits | 0001493152-26-027517 | | 2026-05-08 | 18:19 ET | [10-Q](/filings/0001493152-26-021790.md) | Quarterly report, period 2026-03-31 | 0001493152-26-021790 | | 2026-04-30 | 16:01 ET | [DEF 14A](/filings/0001493152-26-020409.md) | Proxy statement, period 2026-04-30 | 0001493152-26-020409 | | 2026-03-19 | 16:01 ET | [10-K/A](/filings/0001493152-26-011611.md) | Annual report, amended, period 2025-12-31 | 0001493152-26-011611 | | 2026-03-05 | 16:01 ET | [10-K](/filings/0001493152-26-008988.md) | Annual report, period 2025-12-31 | 0001493152-26-008988 | | 2026-02-18 | 17:30 ET | [8-K](/filings/0001493152-26-007368.md) | 1.01 Entry into a material agreement; 9.01 Financial statements and exhibits | 0001493152-26-007368 | | 2025-11-06 | 16:02 ET | [10-Q](/filings/0001493152-25-021062.md) | Quarterly report, period 2025-09-30 | 0001493152-25-021062 | | 2025-09-15 | 08:35 ET | [8-K](/filings/0001493152-25-013406.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001493152-25-013406 | ## Latest annual report [Form 10-K for the fiscal year ended Dec 31, 2025](/filings/0001493152-26-008988.md), filed Mar 5, 2026. ## Forecast league Q3 FY2026, the quarter ended 2026-09-30, is open for forecasts until the first results filing for it is accepted by EDGAR. Results are due by \[object Promise\]. [Forecast this quarter](/leagues/2026q3/targets/34e46c38-3e16-4c47-b8f2-bae1720f841f) ## About the filer - CIK: 793524 - Tickers: REFR - Exchange: Nasdaq - SIC code: 6794 Patent Owners & Lessors - State of incorporation: DE - Filer category: Non-accelerated filer
Smaller reporting company Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 24, 2026, 15:24 ET. No prices; not investment advice.