TickerFacts.

Research Frontiers Inc (REFR): Free Cash Flow

Operating cash flow minus capital expenditures for the same annual period and currency, computed by TickerFacts from the filed figures. A simple proxy, not a reported figure; a year without both inputs is left out.

-$1.33M
Year ended 2025-12-31
-$1.56M
Trailing 12 months to 2026-06-30
2009-12-31: -$3.76M2010-12-31: -$3.21M2011-12-31: -$3.37M2012-12-31: -$2.69M2013-12-31: -$3.30M2014-12-31: -$3.95M2015-12-31: -$3.90M2016-12-31: -$4.02M2017-12-31: -$1.48M2018-12-31: -$2.08M2019-12-31: -$2.15M2020-12-31: -$2.31M2021-12-31: -$1.81M2022-12-31: -$2.18M2023-12-31: -$2.30M2024-12-31: -$790.4K2025-12-31: -$1.33M-$1.33M
2009-12-31 Free Cash Flow (USD) 2025-12-31
Period endedFree Cash FlowChange YoYSource filing
2025-12-31-$1.33Mn/m2026-03-05, From 2025-01-01
2024-12-31-$790.4Kn/m2026-03-05, From 2024-01-01
2023-12-31-$2.30Mn/m2025-03-06, From 2023-01-01
2022-12-31-$2.18Mn/m2024-03-07, From 2022-01-01
2021-12-31-$1.81Mn/m2023-03-09, From 2021-01-01
2020-12-31-$2.31Mn/m2022-03-09, From 2020-01-01
2019-12-31-$2.15Mn/m2021-03-11, From 2019-01-01
2018-12-31-$2.08Mn/m2020-03-12, From 2018-01-01
2017-12-31-$1.48Mn/m2019-03-14, From 2017-01-01
2016-12-31-$4.02Mn/m2019-03-14, From 2016-01-01
2015-12-31-$3.90Mn/m2018-03-13, From 2015-01-01
2014-12-31-$3.95Mn/m2017-03-16, From 2014-01-01
2013-12-31-$3.30Mn/m2016-03-10, From 2013-01-01
2012-12-31-$2.69Mn/m2015-03-11, From 2012-01-01
2011-12-31-$3.37Mn/m2014-03-10, From 2011-01-01
2010-12-31-$3.21Mn/m2013-03-12, From 2010-01-01
2009-12-31-$3.76Mn/a2012-03-13, From 2009-01-01

Free Cash Flow at similar companies

Companies with the same SEC industry code (Patent Owners & Lessors), reporting in the same currency, closest in revenue. Each shows its own latest fiscal year, so period ends differ.

CompanyYear endedFree Cash FlowChange YoY
Research Frontiers Inc (REFR)2025-12-31-$1.33Mn/m
XCel Brands, Inc. (XELB)2025-12-31-$7.03Mn/m
VirnetX Holding Corp (VHC)2025-12-31-$15.66Mn/m
Joint Corp (JYNT)2025-12-31$334.7K-95.9%
Alpha Modus Holdings, Inc. (AMOD)2025-12-31-$3.22Mn/a
Acacia Research Corp (ACTG)2024-12-31-$98.55Mn/m
Digital Turbine, Inc. (APPS)2026-03-31$11.19Mn/m
InterDigital, Inc. (IDCC)2025-12-31$528.56M+98.9%
Dolby Laboratories, Inc. (DLB)2025-09-26$435.85M+46.6%

Compare REFR, XELB, VHC, JYNT side by side · Screen every company in Patent Owners & Lessors ↗