Research Frontiers (REFR) SEC Filings & 10K Form $1.79 +0.03 (+1.70%) Closing price 04:00 PM EasternExtended Trading$1.80 +0.00 (+0.28%) As of 04:04 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share SEC Filings Stock AnalysisChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Recent Research Frontiers SEC Filings All Filing Types 1 10 10-D 10-K 10-M 10-Q 11-K 12b-25 13F 13H 144 15 15F 17-H 18 18-K 19b-4(e) 19b-4 19b-7 1-A 1-E 1-K 1-N 1-SA 1-U 1-Z 20-F 24F-2 25 2-E 3 4 40-F 5 6-K 7-M 8-A 8-K 8-M 9-M ABS DD-15E ABS-15G ABS-EE ADV ADV-E ADV-H ADV-NR ADV-W ATS ATS-R BD BD-N BDW C CA-1 CB CFPORTAL D F-1 F-10 F-3 F-4 F-6 F-7 F-8 F-80 F-N F-X ID MA MA-I MA-NR MA-W MSD MSDW n/a N-14 N-17D-1 N-17f-1 N-17f-2 N-18f-1 N-1A N-2 N-23c-3 N-27D-1 N-3 N-4 N-5 N-54A N-54C N-6 N-6EI-1 N-6F N-8A N-8B-2 N-8B-4 N-8F N-CR N-CSR N-MFP N-PX N-Q NRSRO N-SAR PF PILOT R31 S-1 S-11 S-20 S-3 S-4 S-6 S-8 SBSE SBSE-A SBSE-BD SBSE-C SBSE-W SCI SD SDR SE SF-1 SF-3 SIP T-1 T-2 T-3 T-4 T-6 TA-1 TA-2 TA-W TCR TH WB-APP X-17A-19 X-17A-5 Part I X-17A-5 Part II X-17A-5 Part IIA X-17A-5 Part IIB X-17A-5 Part III X-17A-5 Schedule I X-17F-1A Filing Types Include Ownership Filings Exclude Ownership Filings Only Show Ownership FIlings Ownership Filings Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 2 Years 3 Years Time Frame Start Date End Date Export to Excel DateFilerForm TypeView01/02/20255:47 PMPeso Eyal (Reporting)Research Frontiers (Issuer)Form 4Statement of changes in beneficial ownership of securities 01/02/20255:47 PMKaganowicz Alexander (Reporting)Research Frontiers (Issuer)Form 4Statement of changes in beneficial ownership of securities 01/02/20255:48 PMDaigle Darryl (Reporting)Research Frontiers (Issuer)Form 4Statement of changes in beneficial ownership of securities 01/02/20255:48 PMLAPOINTE MICHAEL R (Reporting)Research Frontiers (Issuer)Form 4Statement of changes in beneficial ownership of securities 01/02/20255:48 PMHARARY JOSEPH M (Reporting)Research Frontiers (Issuer)Form 4Statement of changes in beneficial ownership of securities (Data available from 1/1/2016 forward) Related Companies and Tools Related Companies EARN 10K Form MACI 10K Form PINE 10K Form HLXB 10K Form FLD 10K Form SIEB 10K Form BSII 10K Form SPKL 10K Form JYNT 10K Form FSP 10K Form SEC Filings Tools Latest SEC FilingsInsider Trading Activity This page (NASDAQ:REFR) was last updated on 7/17/2025 by MarketBeat.com Staff From Our PartnersINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredMarket Panic: Trump Just Dropped a Bomb on Your Stockstock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tarif...American Alternative | SponsoredThis Signal Only Flashes Once Every 4 Years – And It Just TriggeredThis same signal has appeared twice before in the past 8 years — both times, it kicked off major moves in cryp...Crypto Swap Profits | SponsoredPresidential Bombshell: $150T Resource to Be Released as soon as this Summer?Something extraordinary is happening in Washington. 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