OTCMKTS:PTEO Proteo (PTEO) Stock Price, News & Analysis $0.09 0.00 (0.00%) As of 09/27/2022 Add Compare Share Share Stock Analysis Stock AnalysisBuy This Stock About Proteo Stock (OTCMKTS:PTEO) Get Proteo alerts:Sign Up Key Stats Today's Range$0.09▼$0.0950-Day Range$0.09▼$0.0952-Week Range$20.00▼$698.00VolumeN/AAverage Volume11 shsMarket CapitalizationN/AP/E RatioN/ADividend YieldN/APrice TargetN/AConsensus RatingN/A Company Overview Proteo, Inc., a clinical stage drug development company, intends to develop, promote, and market pharmaceuticals and other biotech products. The company focuses on the development of pharmaceuticals based on Elafin, a human protein that naturally occurs in human skin, lungs, and mammary glands for use in the treatment of post-surgery damage to tissue; complications resulting from organ transplantation; pulmonary hypertension; and injuries caused by accidents, cardiac infarction, and other diseases. It has a license and collaboration agreement with ARTES Biotechnology GmbH to produce Elafin by using the sublicensed yeast HANSENULA POLYMORPHA. The company was founded in 1992 and is based in Irvine, California. Read More Receive PTEO Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Proteo 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. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy. PTEO Stock News HeadlinesProteo (PTEO)June 8, 2026 | es.investing.comAcciones Proteo hoy | Cotización OTC:PTEO - Investing.comJune 26, 2025 | es.investing.comA huge SpaceX error just led one stock to 3X move!SPCE surged roughly 300% in a single week after investors hunting SpaceX exposure piled into the wrong ticker. That window has closed - but the next opportunity may still be open. Trader Lance Ippolito has released a free SpaceX Investing Blackbook covering pre-IPO positioning plays, the space stock Goldman Sachs, BlackRock, and Morgan Stanley are loading up on, and the chip supplier Starlink satellites depend on.June 18 at 1:00 AM | InvestPub (Ad)Hoy cumpliría 12 años Proteo, el perro rescatista que murió ayudando en el terremoto de TurquíaJune 17, 2025 | msn.comProteo: Ejército Mexicano recuerda con honor al perro rescatista que falleció en TurquíaFebruary 12, 2025 | msn.comProteo, el perro rescatista, sigue en el corazón de México a dos años de su última misión en TurquíaFebruary 12, 2025 | msn.comLTHO Legacy Technology Holdings, Inc.October 26, 2024 | seekingalpha.comITONF Ito En, Ltd. Class A Preferred SharesSeptember 28, 2024 | seekingalpha.comSee More Headlines PTEO Stock Analysis - Frequently Asked Questions How have PTEO shares performed this year? Proteo's stock was trading at $0.0899 at the beginning of 2026. Since then, PTEO stock has increased by 0.0% and is now trading at $0.0899. How do I buy shares of Proteo? Shares of PTEO 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 Proteo own? Based on aggregate information from My MarketBeat watchlists, some other companies that Proteo investors own include ASAP (WTRH), Trigon Metals (TM), SoundThinking (SSTI), PagSeguro Digital (PAGS), Kaya (KAYS) and Energizer (ENR). Industry, Sector and Symbol Stock ExchangeOTCMKTS SectorMedical Industry Biotechnology Sub-IndustryPharmaceutical Products Current SymbolOTCMKTS:PTEO CIK1063104 Webproteo.us Phone+1-949-2534616FaxN/AEmployees5Year 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 BetaN/A 5G Stocks: The Path Forward is ProfitableClick the link to see MarketBeat's guide to investing in 5G and which 5G stocks show the most promise. Get This Free Report This page (OTCMKTS:PTEO) was last updated on 6/18/2026 by MarketBeat.com Staff. From Our PartnersHopeless About Retirement? 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