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 Volume4,000 shsMarket CapitalizationN/AP/E RatioN/ADividend YieldN/APrice TargetN/AConsensus RatingN/A Company Overview Sienna 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 HeadlinesSNNAQ Sienna Biopharmaceuticals, Inc.June 19, 2025 | seekingalpha.comSienna Announces Change of timing to Third Quarter 2024 Conference CallNovember 4, 2024 | markets.businessinsider.comElon’s BIGGEST warning yet?Tesla's About to Prove Everyone Wrong... Again Back in 2018, when Jeff Brown told everyone to buy Tesla… The "experts" said Elon was finished and Tesla was headed for bankruptcy. Now they're saying the same thing, but Jeff has uncovered Tesla's next breakthrough.August 2 at 2:00 AM | Brownstone Research (Ad)The fashion house Kamala Harris and Sienna Miller have in commonSeptember 26, 2024 | msn.comBoho'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.ukMSienna 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 23, 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 Today8/02/2025Fiscal Year End12/31/2025Get Stock AlertsIndustry, Sector and Symbol Stock ExchangeOTCMKTS SectorMedical Industry MED - BIOMED/GENE Sub-IndustryPharmaceutical Products Current SymbolOTCMKTS:SNNAQ CIK1656328 Webwww.siennabio.com Phone(818) 629-2256FaxN/AEmployees60Year 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 Beta0.41 Metaverse Stocks And Why You Can't Ignore ThemThinking about investing in Meta, Roblox, or Unity? Enter your email to learn what streetwise investors need to know about the metaverse and public markets before making an investment.Get This Free Report This page (OTCMKTS:SNNAQ) was last updated on 8/2/2025 by MarketBeat.com Staff From Our PartnersChina just unlocked Nvidia’s AI chips—what that means for youTired of Missing Big AI Moves Like Nvidia? You’re not the problem—your trading system is. Tim’s XGPT system...Timothy Sykes | SponsoredMan Who Called Nvidia at $1.10 Says Buy This Now...In 2004, one man called Nvidia before just about anyone knew it existed. Now, this same guy says a new comp...The Oxford Club | SponsoredIs Elon's empire crumbling?The Tesla Shock Nobody Sees Coming While headlines scream "Tesla is doomed"... 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Bezos says he now spends 95% ...Stansberry Research | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added ten 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. 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