RESEARCH FRONTIERS INCORPORATED (REFR) Free cash flow
- Free cash flow · 12 months (USD): Value $-1.56M; Formula and calculation Operating cash flow minus capital spending; distinct from the saved levered FCF quote figure. Period ending 2026-06-30..
- Price / free cash flow · 12 months: Value (m); Formula and calculation Market cap / trailing-year free cash flow; inverse of FCF yield before percent scaling. Period ending 2026-06-30..
- Free cash flow yield · 12 months: Value (m); Formula and calculation (Operating cash flow − capital spending) / current market cap. Period ending 2026-06-30..
- Free cash flow margin · 12 months: Value -238.65%; Formula and calculation (Operating cash flow − capital spending) / revenue. Period ending 2026-06-30..
Free cash flow
Overview →Financial period ending 2026-06-30; current quote (m). Amounts retain their stated periods and units.
| Metric | Value | Formula and calculation |
|---|---|---|
| Free cash flow · 12 months (USD) | $-1.56M | Operating cash flow minus capital spending; distinct from the saved levered FCF quote figure. Period ending 2026-06-30. $-1.56M − $622.00 ≈ $-1.56M |
| Price / free cash flow · 12 months | (m) | Market cap / trailing-year free cash flow; inverse of FCF yield before percent scaling. Period ending 2026-06-30. Calculation unavailable: missing inputs remain (m). |
| Free cash flow yield · 12 months | (m) | (Operating cash flow − capital spending) / current market cap. Period ending 2026-06-30. Calculation unavailable: missing inputs remain (m). |
| Free cash flow margin · 12 months | -238.65% | (Operating cash flow − capital spending) / revenue. Period ending 2026-06-30. $-1.56M ÷ $654.23K × 100 ≈ -238.65% |
| Free cash flow per share · 12 months | (m) | (Trailing-year operating cash flow − capital spending) / reported quarter-end common shares. Period ending 2026-06-30. Calculation unavailable: missing inputs remain (m). |
| Operating cash flow · 12 months | $-1.56M | Cash generated by operating activities. Period ending 2026-06-30. |
| Operating cash flow / net income · 12 months | 0.69× | Operating cash flow / net income. Period ending 2026-06-30. $-1.56M ÷ $-2.25M ≈ 0.69× |
Calculation inputs
| Input | Amount with unit | Raw financial data |
|---|---|---|
| Operating cash flow | -1.56M USD | Net Cash Provided by (Used in) Operating Activities · Net Cash Provided by (Used in) Operating Activities, Continuing Operations |
| Capital spending | 622.00 USD | Payments to Acquire Property, Plant, and Equipment |
| Market cap | (m) | |
| Free cash flow | -1.56M USD | Net Cash Provided by (Used in) Operating Activities · Net Cash Provided by (Used in) Operating Activities, Continuing Operations · Payments to Acquire Property, Plant, and Equipment |
| Revenue | 654.23K USD | Revenue from Contract with Customer, Excluding Assessed Tax |
| Quarter-end shares | (m) | Common Stock, Shares, Outstanding |
| Net income | -2.25M USD | Net Income (Loss) Attributable to Parent |
Calculated history
Changes compare with the next older row (previous quarter), unless explicitly labeled otherwise. Rolling 12-month growth compares two successive quarter-end rolling totals; it is not year-over-year growth.
| Period ending | Free cash flow | FCF per share | Operating cash flow | Capital spending (USD) | Market cap (USD) | Revenue (USD) | Quarter-end shares (shares) | Net income (USD) | Price / FCF | FCF yield | FCF margin | Cash conversion |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-06-30 | $-1.56M | (m) | $-1.56M | $622.00 | (m) | $654.23K | (m) | $-2.25M | (m) | (m) | -238.65% | 0.69× |
| 2026-03-31 | $-1.45M | (m) | $-1.45M | $683.00 | (m) | $697.79K | (m) | $-2.39M | (m) | (m) | -207.58% | 0.60× |
| 2025-12-31 | $-1.33M | (m) | $-1.33M | $726.00 | (m) | $1.12M | (m) | $-2.05M | (m) | (m) | -118.61% | 0.65× |
| 2025-09-30 | $-817.60K | (m) | $-816.13K | $1.46K | (m) | $1.23M | (m) | $-1.89M | (m) | (m) | -66.62% | 0.43× |
| 2025-06-30 | $-932.23K | (m) | $-930.55K | $1.68K | (m) | $1.22M | (m) | $-1.76M | (m) | (m) | -76.27% | 0.53× |
| 2025-03-31 | $-1.04M | (m) | $-1.04M | $1.68K | (m) | $1.58M | (m) | $-1.05M | (m) | (m) | -65.78% | 0.99× |
| 2024-12-31 | $-790.44K | (m) | $-788.82K | $1.62K | (m) | $1.34M | (m) | $-1.31M | (m) | (m) | -59.19% | 0.60× |
| 2024-09-30 | $-1.39M | (m) | $-1.38M | $1.03K | (m) | $1.47M | (m) | $-1.18M | (m) | (m) | -94.29% | 1.17× |
| 2024-06-30 | $-1.65M | (m) | $-1.65M | $408.00 | (m) | $1.28M | (m) | $-1.49M | (m) | (m) | -129.01% | 1.11× |
| 2024-03-31 | $-2.09M | (m) | $-2.09M | $906.00 | (m) | $974.80K | (m) | $-1.89M | (m) | (m) | -214.40% | 1.11× |
| 2023-12-31 | $-2.30M | (m) | $-2.30M | $1.56K | (m) | $909.60K | (m) | $-1.91M | (m) | (m) | -252.49% | 1.20× |
| 2023-09-30 | $-2.31M | (m) | $-2.31M | $1.32K | (m) | $727.26K | (m) | $-2.24M | (m) | (m) | -318.29% | 1.03× |
| 2023-06-30 | $-2.33M | (m) | $-2.33M | $1.51K | (m) | $713.56K | (m) | $-2.26M | (m) | (m) | -326.16% | 1.03× |
| 2023-03-31 | $-2.28M | (m) | $-2.28M | $1.37K | (m) | $614.03K | (m) | $-2.50M | (m) | (m) | -371.85% | 0.91× |
| 2022-12-31 | $-2.18M | (m) | $-2.18M | $1.27K | (m) | $539.69K | (m) | $-2.67M | (m) | (m) | -404.68% | 0.82× |
| 2022-09-30 | $-1.55M | (m) | $-1.55M | $1.33K | (m) | $622.29K | (m) | $-2.64M | (m) | (m) | -249.62% | 0.59× |
| 2022-06-30 | $-1.50M | (m) | $-1.50M | $1.21K | (m) | $1.20M | (m) | $-2.13M | (m) | (m) | -125.53% | 0.70× |
| 2022-03-31 | $-1.66M | (m) | $-1.66M | $1.34K | (m) | $1.22M | (m) | $-1.92M | (m) | (m) | -135.73% | 0.87× |
| 2021-12-31 | $-1.81M | (m) | $-1.80M | $1.08K | (m) | $1.26M | (m) | $-1.85M | (m) | (m) | -142.94% | 0.98× |
| 2021-09-30 | $-2.54M | (m) | $-2.49M | $55.33K | (m) | $1.18M | (m) | $-1.95M | (m) | (m) | -215.22% | 1.28× |
| 2021-06-30 | $-2.46M | (m) | $-2.40M | $56.53K | (m) | $623.22K | (m) | $-2.40M | (m) | (m) | -394.08% | 1.00× |
| 2021-03-31 | $-2.19M | (m) | $-2.14M | $56.83K | (m) | $685.40K | (m) | $-2.27M | (m) | (m) | -320.10% | 0.94× |
| 2020-12-31 | $-2.31M | (m) | $-2.25M | $56.54K | (m) | $828.45K | (m) | $-2.34M | (m) | (m) | -278.74% | 0.96× |
| 2020-09-30 | $-2.07M | (m) | $-2.06M | $2.37K | (m) | $1.08M | (m) | $-2.71M | (m) | (m) | -191.47% | 0.76× |
| 2020-06-30 | $-2.01M | (m) | $-2.01M | $3.25K | (m) | $1.38M | (m) | $-2.68M | (m) | (m) | -146.15% | 0.75× |
| 2020-03-31 | $-2.17M | (m) | $-2.11M | $65.20K | (m) | $1.50M | (m) | $-3.63M | (m) | (m) | -144.76% | 0.58× |
| 2019-12-31 | $-2.15M | (m) | $-2.08M | $65.28K | (m) | $1.56M | (m) | $-3.81M | (m) | (m) | -137.34% | 0.55× |
| 2019-09-30 | $-2.16M | (m) | $-2.09M | $65.45K | (m) | $129.53K | (m) | $-3.19M | (m) | (m) | -1665.70% | 0.66× |
| 2019-06-30 | $-2.33M | (m) | $-2.27M | $63.54K | (m) | $26.39K | (m) | $-3.48M | (m) | (m) | -8841.33% | 0.65× |
| 2019-03-31 | $-2.12M | (m) | $-2.12M | $6.40K | (m) | $50.21K | (m) | $-2.70M | (m) | (m) | -4230.36% | 0.79× |
| 2018-12-31 | $-2.08M | (m) | $-2.07M | $11.66K | (m) | $64.82K | (m) | $-2.69M | (m) | (m) | -3212.94% | 0.77× |
| 2018-09-30 | $-2.10M | (m) | $-2.09M | $11.48K | (m) | $1.40M | (m) | $-2.72M | (m) | (m) | -150.17% | 0.77× |
| 2018-06-30 | $-1.79M | (m) | $-1.78M | $11.81K | (m) | $1.53M | (m) | $-2.34M | (m) | (m) | -117.55% | 0.76× |
| 2018-03-31 | $-1.52M | (m) | $-1.51M | $7.83K | (m) | $1.55M | (m) | $-2.26M | (m) | (m) | -98.03% | 0.67× |
| 2017-12-31 | $-1.48M | (m) | $-1.47M | $6.55K | (m) | $1.51M | (m) | $-2.41M | (m) | (m) | -97.88% | 0.61× |
| 2017-09-30 | $-2.32M | (m) | $-2.31M | $10.02K | (m) | $1.51M | (m) | $-3.13M | (m) | (m) | -153.99% | 0.74× |
| 2017-06-30 | $-2.91M | (m) | $-2.90M | $12.52K | (m) | $1.32M | (m) | $-3.39M | (m) | (m) | -219.75% | 0.86× |
| 2017-03-31 | $-3.63M | (m) | $-3.61M | $14.24K | (m) | $1.22M | (m) | $-4.01M | (m) | (m) | -297.44% | 0.90× |
| 2016-12-31 | $-4.02M | (m) | $-4.01M | $11.71K | (m) | $1.24M | (m) | $-4.24M | (m) | (m) | -324.99% | 0.95× |
| 2016-09-30 | $-3.45M | (m) | $-3.44M | $11.30K | (m) | (m) | (m) | $-4.67M | (m) | (m) | (m) | 0.74× |
| 2016-06-30 | $-3.36M | (m) | $-3.35M | $10.41K | (m) | (m) | (m) | $-4.88M | (m) | (m) | (m) | 0.69× |
| 2016-03-31 | $-3.65M | (m) | $-3.51M | $141.55K | (m) | (m) | (m) | $-4.24M | (m) | (m) | (m) | 0.83× |
| 2015-12-31 | $-3.90M | (m) | $-3.58M | $316.19K | (m) | (m) | (m) | $-4.28M | (m) | (m) | (m) | 0.84× |
| 2015-09-30 | $-4.31M | (m) | $-3.48M | $830.79K | (m) | (m) | (m) | $-3.93M | (m) | (m) | (m) | 0.89× |
| 2015-06-30 | $-4.46M | (m) | $-3.56M | $893.94K | (m) | (m) | (m) | $-3.80M | (m) | (m) | (m) | 0.94× |
| 2015-03-31 | $-4.39M | (m) | $-3.63M | $760.64K | (m) | (m) | (m) | $-4.46M | (m) | (m) | (m) | 0.81× |
| 2014-12-31 | $-3.95M | (m) | $-3.32M | $627.66K | (m) | (m) | (m) | $-4.41M | (m) | (m) | (m) | 0.75× |
| 2014-09-30 | $-3.83M | (m) | $-3.71M | $115.81K | (m) | (m) | (m) | $-5.46M | (m) | (m) | (m) | 0.68× |
| 2014-06-30 | $-3.90M | (m) | $-3.84M | $59.31K | (m) | (m) | (m) | $-5.64M | (m) | (m) | (m) | 0.68× |
| 2014-03-31 | $-3.57M | (m) | $-3.49M | $82.65K | (m) | (m) | (m) | $-5.40M | (m) | (m) | (m) | 0.65× |
| 2013-12-31 | $-3.30M | (m) | $-3.24M | $50.54K | (m) | (m) | (m) | $-5.85M | (m) | (m) | (m) | 0.56× |
| 2013-09-30 | $-3.13M | (m) | $-3.08M | $45.51K | (m) | (m) | (m) | $-3.83M | (m) | (m) | (m) | 0.80× |
| 2013-06-30 | $-3.05M | (m) | $-3.01M | $42.80K | (m) | (m) | (m) | $-3.84M | (m) | (m) | (m) | 0.78× |
| 2013-03-31 | $-2.47M | (m) | $-2.45M | $20.24K | (m) | (m) | (m) | $-3.85M | (m) | (m) | (m) | 0.64× |
| 2012-12-31 | $-2.69M | (m) | $-2.68M | $11.58K | (m) | (m) | (m) | $-3.06M | (m) | (m) | (m) | 0.87× |
| 2012-09-30 | $-2.90M | (m) | $-2.88M | $14.40K | (m) | (m) | (m) | $-3.28M | (m) | (m) | (m) | 0.88× |
| 2012-06-30 | $-2.86M | (m) | $-2.85M | $11.22K | (m) | (m) | (m) | $-3.22M | (m) | (m) | (m) | 0.89× |
| 2012-03-31 | $-3.49M | (m) | $-3.48M | $12.69K | (m) | (m) | (m) | $-3.35M | (m) | (m) | (m) | 1.04× |
| 2011-12-31 | $-3.37M | (m) | $-3.35M | $12.52K | (m) | (m) | (m) | $-4.13M | (m) | (m) | (m) | 0.81× |
| 2011-09-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2011-06-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2011-03-31 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2010-12-31 | $-3.21M | (m) | $-3.20M | $10.31K | (m) | (m) | (m) | $-3.87M | (m) | (m) | (m) | 0.83× |
| 2010-09-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2010-06-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2009-12-31 | $-3.76M | (m) | $-3.73M | $23.95K | (m) | (m) | (m) | $-4.00M | (m) | (m) | (m) | 0.93× |
(m) means missing inputs. Historical market-based ratios use the saved close on or immediately before period ending and that period’s reported shares; current quotes are not substituted. Five-year projections repeat historical CAGR, not analyst forecasts.
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