This company has been marked as potentially delisted and may not be actively trading. NASDAQ:PTI Proteostasis Therapeutics (PTI) Stock Price, News & Analysis Add Compare Share Share Stock Analysis Stock AnalysisTrendsBuy This Stock About Proteostasis Therapeutics Stock (NASDAQ:PTI) 30 days 90 days 365 days Advanced Chart Remove Ads Get PTI alerts:Sign Up Key Stats Today's Range N/A50-Day Range$1.00▼$22.4252-Week Range N/AVolume9,405 shsAverage Volume1.04 million shsMarket Capitalization$37.57 millionP/E RatioN/ADividend YieldN/APrice TargetN/AConsensus RatingN/A Company OverviewProteostasis Therapeutics, Inc., a clinical stage biopharmaceutical company, engages in the discovery and development of novel therapeutics to treat cystic fibrosis. The company's lead product candidates for the treatment of CF include PTI-801, a cystic fibrosis transmembrane conductance regulator (CFTR) corrector agent; PTI-808, a CFTR potentiator; and PTI-428, a CFTR amplifier. It has collaboration agreements with Cystic Fibrosis Foundation, Inc. to research, develop, and commercialize products for the treatment of CF, non-classical CF, and other pulmonary diseases in the United States or the European Union; and Genentech, Inc. for licensing the technology and materials relating to therapeutic small molecule modulators. The company was formerly known as Proteoguard, Inc. and changed its name to Proteostasis Therapeutics, Inc. in September 2007. Proteostasis Therapeutics, Inc. was founded in 2006 and is headquartered in Boston, Massachusetts.Read More… Remove Ads Receive PTI Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Proteostasis Therapeutics and its competitors with MarketBeat's FREE daily newsletter. Email Address PTI Stock News HeadlinesUnlocking proteostasis: A new frontier in the fight against neurodegenerative diseases like Alzheimer'sJanuary 3, 2025 | msn.comHarness Therapeutics Appoints Seasoned Biopharmaceutical Leader, Ms. Meenu Chhabra Karson, as Board ChairApril 24, 2024 | globenewswire.comTrump to unlock 15-figure fortune for America (May 3rd) ?We were shown this map by former Presidential Advisor, Jim Rickards, one of the most politically connected men in America. Rickards has spent his fifty-year career in the innermost circles of the U.S. government and banking. And he believes Trump could soon release this frozen asset to the public. April 4, 2025 | Paradigm Press (Ad)Greensboro joins incentive offers for $55M Honda expansion at PTI; Guilford County up nextJuly 20, 2023 | bizjournals.comFederal Police Summons India Minister in Bribery Probe, PTI SaysMarch 13, 2023 | bloomberg.com7 years later, probation and PTI for pair in North Bergen low-show/no-show job schemeOctober 6, 2022 | nj.comImplied Volatility Surging for Proteostasis Therapeutics (PTI) Stock OptionsOctober 26, 2021 | finance.yahoo.comSee More Headlines PTI Stock Analysis - Frequently Asked Questions How were Proteostasis Therapeutics' earnings last quarter? Proteostasis Therapeutics, Inc. (NASDAQ:PTI) posted its quarterly earnings results on Monday, November, 16th. The company reported ($0.16) earnings per share (EPS) for the quarter, beating the consensus estimate of ($0.17) by $0.01. When did Proteostasis Therapeutics IPO? Proteostasis Therapeutics (PTI) raised $51 million in an initial public offering (IPO) on Thursday, February 11th 2016. The company issued 3,900,000 shares at $12.00-$14.00 per share. Leerink Partners and RBC Capital Markets acted as the underwriters for the IPO and Baird and H.C. Wainwright & Co. were co-managers. What other stocks do shareholders of Proteostasis Therapeutics own? Based on aggregate information from My MarketBeat watchlists, some other companies that Proteostasis Therapeutics investors own include BHP Group (BHP), Idera Pharmaceuticals (IDRA), OPKO Health (OPK), Sorrento Therapeutics (SRNE), Bristol-Myers Squibb (BMY), Rite Aid (RAD) and Company Calendar Last Earnings11/16/2020Today4/04/2025Get Stock AlertsIndustry, Sector and Symbol Stock ExchangeNASDAQ SectorMedical Industry Pharmaceutical Preparations Sub-IndustryN/A Current SymbolNASDAQ:PTI CIK1445283 Webwww.proteostasis.com Phone617-225-0096FaxN/AEmployees44Year FoundedN/AProfitability EPS (Most Recent Fiscal Year)($1.16) Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income$-59,130,000.00 Net MarginsN/A Pretax MarginN/A Return on Equity-75.39% Return on Assets-55.04% Debt Debt-to-Equity RatioN/A Current Ratio6.69 Quick Ratio6.69 Sales & Book Value Annual Sales$5 million Price / Sales0.00 Cash FlowN/A Price / Cash FlowN/A Book Value$1.22 per share Price / BookN/AMiscellaneous Outstanding Shares52,185,000Free FloatN/AMarket Cap$37.57 million OptionableNot Optionable Beta1.16 Investing Strategies To Help Grow Your Retirement IncomeNeed to stretch out your 401K or Roth IRA plan? 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