OTCMKTS:RGRX RegeneRx Biopharmaceuticals (RGRX) Stock Price, News & Analysis $0.0005 0.00 (0.00%) As of 05/20/2026 11:26 AM Eastern Add Compare Share Share Stock Analysis Stock AnalysisChartSEC FilingsBuy This Stock About RegeneRx Biopharmaceuticals Stock (OTCMKTS:RGRX) View Price History Chart DataSkip Price History Chart 1 Day 5 Days 30 Days 90 Days 1 Year Advanced 1 Day 1 Day 5 Days 30 Days 90 Days 1 Year Advanced Show volume Show extended hours Get RGRX alerts:Sign Up Key Stats Today's Range$0.0005▼$0.000550-Day Range N/A52-Week Range$0.00▼$0.16Volume186 shsAverage Volume36 shsMarket CapitalizationN/AP/E RatioN/ADividend YieldN/APrice TargetN/AConsensus RatingN/A Company Overview RegeneRx Biopharmaceuticals, Inc. is a clinical‐stage biotechnology company headquartered in Rockville, Maryland. The company specializes in the development of peptide‐based therapeutics designed to address unmet medical needs in tissue repair, inflammation and degenerative diseases. Its drug discovery platform centers on analogs of Thymosin Beta‐4 (Tb4), a naturally occurring peptide that plays a key role in wound healing, cell migration and repair mechanisms. The company’s lead product candidate, RGN-259, is a topical formulation of Tb4 that has advanced through Phase II clinical trials for the treatment of ocular surface disorders, including neurotrophic keratitis and dry eye syndrome. RegeneRx is also exploring pipeline candidates such as RGN-352, an intravenous formulation targeting cardiac and central nervous system injuries. These programs leverage preclinical data demonstrating the peptides’ ability to promote angiogenesis, reduce inflammation and stimulate tissue regeneration. RegeneRx maintains a global patent portfolio covering its proprietary peptide technology, with granted patents in the United States, Europe, Japan and other jurisdictions. The company engages in collaborations and licensing agreements to support preclinical development, manufacturing and potential commercialization partnerships. Since its founding in the late 1990s, RegeneRx has focused on translating its Thymosin Beta-4 platform into therapies for wound healing, fibrosis, cardiovascular injury and other indications.AI Generated. May Contain Errors. Read More Receive RGRX Stock News and Ratings via Email Sign-up to receive the latest news and ratings for RegeneRx Biopharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. Submit View SMS TermsSMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. 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In fact, options can give you up to 12 times the leverage of stocks — with a fraction of the capital tied up. This free guide lays it all out in plain English — from A to Z, with step-by-step examples you can follow in your own account.May 21 at 1:00 AM | Profits Run (Ad)Regenerx Biopharm In (RGRXD)October 30, 2023 | investing.comLIB Therapeutics and Hasten Biopharmaceutical Company Announce $325 Million Strategic Collaboration to Develop and Commercialize Lerodalcibep in Greater ChinaSeptember 21, 2023 | businesswire.comRGRX RegeneRx Biopharmaceuticals, Inc.August 26, 2023 | seekingalpha.comRegeneRx Effects Reverse Stock Split and Terminates SEC Reporting ObligationsAugust 15, 2023 | finance.yahoo.comRegeneRx Receives Stockholder Approval for Reverse Stock SplitAugust 8, 2023 | finance.yahoo.comSee More Headlines RGRX Stock Analysis - Frequently Asked Questions How have RGRX shares performed this year? RegeneRx Biopharmaceuticals' stock was trading at $0.0003 at the beginning of the year. Since then, RGRX stock has increased by 66.7% and is now trading at $0.0005. When did RegeneRx Biopharmaceuticals' stock split? RegeneRx Biopharmaceuticals shares reverse split on Monday, August 14th 2023.The 1-100 reverse split was announced on Monday, August 14th 2023. The number of shares owned by shareholders was adjusted after the closing bell on Monday, August 14th 2023. An investor that had 100 shares of stock prior to the reverse split would have 1 shares after the split. How do I buy shares of RegeneRx Biopharmaceuticals? Shares of RGRX stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services. What other stocks do shareholders of RegeneRx Biopharmaceuticals own? Based on aggregate information from My MarketBeat watchlists, some other companies that RegeneRx Biopharmaceuticals investors own include Fulcrum Therapeutics (FULC), OPKO Health (OPK), VBI Vaccines (VBIV), Company Calendar Today5/21/2026Fiscal Year End12/31/2026Get Stock AlertsIndustry, Sector and Symbol Stock ExchangeOTCMKTS SectorMedical Industry MED - BIOMED/GENE Sub-IndustryPharmaceutical Products Current SymbolOTCMKTS:RGRX Previous SymbolOTC:RGRX CIK707511 Webwww.regenerx.com Phone(301) 208-9191Fax301-280-1996Employees3Year FoundedN/AProfitability EPS (Trailing Twelve Months)N/A Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet IncomeN/A Net MarginsN/A Pretax MarginN/A Return on EquityN/A Return on AssetsN/A Debt Debt-to-Equity RatioN/A Current RatioN/A Quick RatioN/A Sales & Book Value Annual SalesN/A Price / SalesN/A Cash FlowN/A Price / Cash FlowN/A Book ValueN/A Price / BookN/AMiscellaneous Outstanding SharesN/AFree FloatN/AMarket CapN/A OptionableNot Optionable Beta171.84 The 10 Best High-Yield Dividend Stocks for 2026Discover the 10 Best High-Yield Dividend Stocks for 2026 and secure reliable income in uncertain markets. Download the report now to identify top dividend payers and avoid common yield traps.Get This Free Report This page (OTCMKTS:RGRX) was last updated on 5/21/2026 by MarketBeat.com Staff. 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