OTCMKTS:SNNAQ Sienna Biopharmaceuticals (SNNAQ) Stock Price, News & Analysis Add Compare Share Share Stock Analysis Stock AnalysisChartHeadlinesSEC FilingsShort InterestBuy This Stock About Sienna Biopharmaceuticals Stock (OTCMKTS:SNNAQ) 30 days 90 days 365 days Advanced Chart Get SNNAQ alerts:Sign Up Key Stats Today's Range N/A50-Day Range N/A52-Week Range N/AVolumeN/AAverage Volume60 shsMarket Capitalization$2,000.00P/E RatioN/ADividend YieldN/APrice TargetN/AConsensus RatingN/A Company OverviewSienna Biopharmaceuticals, Inc., a clinical-stage biopharmaceutical company, focuses on the development of drugs in various therapeutic areas. It develops therapies in immunology and inflammation that target select pathways in tissues, such as skin. The company's lead product candidates include SNA-120, a first-in-class inhibitor of tropomyosin receptor kinase A, which is in a Phase IIb clinical trial for the treatment of psoriasis and associated pruritus; and SNA-125, a topical dual Janus kinase 3 inhibitor that is in Phase I/II clinical trials for the treatment of atopic dermatitis, psoriasis, and pruritus. It also develops SNA-001, a topical suspension of silver particles, which is in pivotal clinical trials for the treatment of acne, as well as for the reduction of light-pigmented hair, including white, gray, blonde, light brown, and light red hair. The company was formerly known as Sienna Labs, Inc. and changed its name to Sienna Biopharmaceuticals, Inc. in February 2016. Sienna Biopharmaceuticals, Inc. was founded in 2010 and is headquartered in Westlake Village, California. On December 18, 2019, Sienna Biopharmaceuticals, Inc. filed a voluntary petition for reorganization under Chapter 11 was converted to Chapter 7. It had filed for Chapter 11 bankruptcy on September 16, 2019.Read More… Receive SNNAQ Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Sienna Biopharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. Email Address SNNAQ Stock News HeadlinesSienna Announces Change of timing to Third Quarter 2024 Conference CallNovember 4, 2024 | markets.businessinsider.comThe fashion house Kamala Harris and Sienna Miller have in commonSeptember 26, 2024 | msn.comElon Set to Shock the World by May 1st ?Tech legend Jeff Brown recently traveled to the industrial zone of South Memphis to investigate what he believes will be Elon’s greatest invention ever… Yes, even bigger than Tesla or SpaceX.April 26, 2025 | Brownstone Research (Ad)Boho's back! Sienna Miller and Kate Middleton set autumn's fashion mood (think: ruffle dresses and leathers)September 26, 2024 | msn.com'I found the perfect Sienna Miller-inspired boho style dress in M&S this weekend'September 25, 2024 | mirror.co.ukSienna Almost Doubles Acreage of Case Lake West Cesium and Spodumene Pegmatite Project in OntarioSeptember 25, 2024 | msn.comHollyoaks spoilers: BIG DAY! Sienna Blake and Ethan have exciting wedding plans!September 24, 2024 | msn.comWhy Princess Beatrice's daughter Sienna didn't receive tributes on 3rd birthday from family membersSeptember 19, 2024 | msn.comSee More Headlines SNNAQ Stock Analysis - Frequently Asked Questions How do I buy shares of Sienna Biopharmaceuticals? Shares of SNNAQ 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. Company Calendar Today4/26/2025Fiscal Year End12/31/2025Get Stock AlertsIndustry, Sector and Symbol Stock ExchangeOTCMKTS SectorMedical Industry Pharmaceutical preparations Sub-IndustryPharmaceutical Products Current SymbolOTCMKTS:SNNAQ CIK1656328 Webwww.siennabio.com Phone(818) 629-2256FaxN/AEmployees60Year FoundedN/AProfitability EPS (Most Recent Fiscal Year)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 Shares22,927,000Free FloatN/AMarket Cap$2,000.00 OptionableNot Optionable Beta1.21 The Best High-Yield Dividend Stocks for 2025Discover the 10 Best High-Yield Dividend Stocks for 2025 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:SNNAQ) was last updated on 4/26/2025 by MarketBeat.com Staff From Our PartnersTrump’s tariffs just split the AI market in twoTrump’s tariff just split the AI market – among others – in two. One group of AI companies—the ones relying...Traders Agency | SponsoredWarning: “DOGE Collapse” imminentElon Strikes Back You may already sense that the tide is turning against Elon Musk and DOGE. Just this week...Altimetry | SponsoredTrump’s treachery Forget what the media tells you. Trump’s inner circle may be pushing a financial reset that mirrors moves from...Porter & Company | SponsoredURGENT: Someone's Moving Gold Out of London...People who don’t understand the gold market are about to lose a lot of money. Unfortunately, most so-called “g...Golden Portfolio | SponsoredTrump Orders 'National Digital Asset Stockpile'‘Digital Asset Reserve’ for THIS Coin??? Get all the details before this story gains even more tractionCrypto 101 Media | SponsoredAltucher: Turn $900 into $108,000 in just 12 months?We are entering the final Trump Bump of our lives. But the biggest returns will not be in the stock market.Paradigm Press | SponsoredHere’s How to Claim Your Stake in Elon’s Private Company, xAII predict this single breakthrough could make Elon the world’s first trillionaire — and mint more new milliona...Brownstone Research | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added five stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Sienna Biopharmaceuticals, Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share Sienna Biopharmaceuticals With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.