This company has been marked as potentially delisted and may not be actively trading. NASDAQ:RTTR Ritter Pharmaceuticals (RTTR) Stock Price, News & Analysis Add Compare Share Share Stock Analysis Stock Analysis About Ritter Pharmaceuticals Stock (NASDAQ:RTTR) Get Ritter Pharmaceuticals alerts:Sign Up Key Stats Today's Range$1.25▼$1.3450-Day Range$0.45▼$4.0952-Week Range$0.15▼$1.27Volume28,860 shsAverage Volume14.23 million shsMarket Capitalization$61.85 millionP/E RatioN/ADividend YieldN/APrice TargetN/AConsensus RatingN/A Company Overview Ritter Pharmaceuticals, Inc. develops and sells novel therapeutic products that modulate the human gut microbiome to treat gastrointestinal diseases. Its lead product candidate is RP-G28, a novel microbiome modulator, which has completed Phase 2b clinical trial for the reduction of symptoms associated with lactose intolerance. The company's product, RP-G28 is designed to stimulate the growth of lactose-metabolizing bacteria in the colon, thereby adapting the gut microbiome to assist in digesting the lactose that reaches the large intestine. The company was formerly known as Ritter Natural Sciences, LLC and changed its name to Ritter Pharmaceuticals, Inc. in September 2008. Ritter Pharmaceuticals, Inc. was founded in 2004 and is headquartered in Los Angeles, California. Read More Receive RTTR Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Ritter Pharmaceuticals 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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Behind the scenes, Executive Order 14241 is orchestrating what analyst Porter Stansberry calls a total U.S. money reset, bypassing conventional legal channels under the guise of national security. The last time America reset its currency - under Nixon in the 1970s - it created an average of 1,300 new millionaires a day for over 50 years. Stansberry has identified three asset categories connected to Trump's initiative that could surge, plus his single top investment move.August 28 at 1:00 AM | Porter & Company (Ad)Kristen RitterSeptember 15, 2023 | health.usnews.comDr. Harold K. RitterJuly 8, 2023 | health.usnews.comDenver Business Journal welcomes new tech reporterJuly 1, 2023 | bizjournals.comJason Ritter and Drew Barrymore's raw conversation on her show may matter more than you thinkApril 10, 2023 | usatoday.comRitter Pharmaceuticals Changing the Game With Lactose Intolerance TreatmentMarch 29, 2023 | thestreet.comSee More Headlines RTTR Stock Analysis - Frequently Asked Questions How were Ritter Pharmaceuticals' earnings last quarter? Ritter Pharmaceuticals Inc (NASDAQ:RTTR) issued its earnings results on Friday, May, 1st. The biotechnology company reported ($0.05) earnings per share for the quarter, missing the consensus estimate of ($0.04) by $0.01. When did Ritter Pharmaceuticals' stock split? Ritter Pharmaceuticals shares reverse split on Friday, March 23rd 2018.The 1-10 reverse split was announced on Thursday, March 22nd 2018. The number of shares owned by shareholders was adjusted after the market closes on Thursday, March 22nd 2018. An investor that had 100 shares of stock prior to the reverse split would have 10 shares after the split. When did Ritter Pharmaceuticals IPO? Ritter Pharmaceuticals (RTTR) raised $20 million in an IPO on Wednesday, June 24th 2015. The company issued 4,000,000 shares at a price of $5.00 per share. Aegis Capital Corp and Chardan Capital Markets acted as the underwriters for the IPO and Barrington Research was co-manager. What other stocks do shareholders of Ritter Pharmaceuticals own? Based on aggregate information from My MarketBeat watchlists, some other companies that Ritter Pharmaceuticals investors own include Chipotle Mexican Grill (CMG), APA (APA), Charles Schwab (SCHW), Genocea Biosciences (GNCA) and Hudson Technologies (HDSN). Company Calendar Last Earnings5/01/2020Today8/28/2026Get Stock AlertsIndustry, Sector and Symbol Stock ExchangeNASDAQ SectorTechnology Industry Software Sub-IndustryApplication Software Current SymbolNASDAQ:RTTR CIK1460702 Webwww.ritterpharmaceuticals.com Phone310-203-1000FaxN/AEmployees7Year FoundedN/AProfitability EPS (Trailing Twelve Months)N/A Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income-$10.13 million Net MarginsN/A Pretax MarginN/A Return on EquityN/A Return on Assets-162.05% Debt Debt-to-Equity RatioN/A Current Ratio3.67 Quick Ratio3.67 Sales & Book Value Annual SalesN/A Price / SalesN/A Cash FlowN/A Price / Cash FlowN/A Book Value$0.10 per share Price / Book13.40Miscellaneous Outstanding Shares46,153,000Free FloatN/AMarket Cap$61.85 million OptionableNot Optionable Beta-0.43 10 Stocks Powering The Next AI Boom The AI boom is creating opportunities across semiconductors, cloud computing, enterprise software, infrastructure, cybersecurity, and automation. Inside this report, you’ll find 10 companies positioned to benefit as artificial intelligence moves from hype to real-world deployment and becomes a core growth driver for corporate America.Get This Free Report This page (NASDAQ:RTTR) was last updated on 8/28/2026 by MarketBeat.com Staff. From Our PartnersSam Altman’s $4 Trillion IPO WaveReuters calls it a combination without precedent in U.S. market debuts. 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