This company has been marked as potentially delisted and may not be actively trading. NYSE:AMAM Ambrx Biopharma (AMAM) Stock Price, News & Analysis Add Compare Share Share Stock Analysis Stock AnalysisBuy This Stock About Ambrx Biopharma Stock (NYSE:AMAM) Get Ambrx Biopharma alerts:Sign Up Key Stats Today's Range$28.00▼$28.0050-Day Range$27.70▼$28.0052-Week Range$6.55▼$28.15VolumeN/AAverage Volume2.12 million shsMarket Capitalization$1.77 billionP/E RatioN/ADividend YieldN/APrice TargetN/AConsensus RatingN/A Company Overview Ambrx Biopharma Inc., a clinical stage biopharmaceutical company, focuses on discovering and developing antibody drug conjugates (ADCs) and other engineered therapies to modulate the immune system. It focuses on portfolio of clinical and preclinical programs designed to optimize efficacy and safety in multiple cancer indications, including ARX517, its proprietary antibody-drug conjugate (ADC) targeting the prostate-specific membrane antigen (PSMA) and ARX788, its proprietary ADC targeting HER2. The company also has preclinical and clinical collaborations with multiple partners on drug candidates using Ambrx technology. The company was incorporated in 2003 and is headquartered in La Jolla, California. Read More Receive AMAM Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Ambrx Biopharma and its competitors with MarketBeat's FREE daily newsletter. Submit View SMS TermsBy 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. AMAM Stock News HeadlinesSunlands Technology (NYSE:STG) Stock Quotes, Forecast and News SummaryOctober 4, 2024 | benzinga.comCormorant Global Healthcare Master Fund, LP's Net WorthAugust 31, 2024 | benzinga.comShots officially fired…Elon Musk just declared war on the wireless giants with a $17 billion spectrum deal that gives SpaceX the rights to deliver direct-to-cell service nationwide — a move tech analyst Jeff Brown says could shape the backbone of the coming space economy and create fortunes on a scale not seen since the rise of NVIDIA.October 22 at 2:00 AM | Brownstone Research (Ad)14 Day AMERIBOR Average Rate (^AMBRX)May 24, 2024 | finance.yahoo.comLatest News for Johnson & Johnson Stock (NYSE:JNJ)April 5, 2024 | benzinga.comAmbrx Biopharma Inc.: Ambrx Shareholders Approve Acquisition by Johnson & JohnsonMarch 7, 2024 | finanznachrichten.deJohnson & Johnson Buys Ambrx Biopharma In $2 Bln Cash DealMarch 7, 2024 | markets.businessinsider.comAmbrx Shareholders Approve Acquisition by Johnson & JohnsonMarch 6, 2024 | globenewswire.comSee More Headlines AMAM Stock Analysis - Frequently Asked Questions When did Ambrx Biopharma IPO? Ambrx Biopharma (AMAM) raised $126 million in an initial public offering (IPO) on Friday, June 18th 2021. The company issued 7,000,000 shares at a price of $17.00-$19.00 per share. Goldman Sachs, BofA Securities and Cowen acted as the underwriters for the IPO. What other stocks do shareholders of Ambrx Biopharma own? Based on aggregate information from My MarketBeat watchlists, some other companies that Ambrx Biopharma investors own include NVIDIA (NVDA), Broadcom (AVGO), Arista Networks (ANET), Jabil (JBL), e.l.f. Beauty (ELF), Disc Medicine (IRON) and Adobe (ADBE). Company Calendar Today10/22/2025Fiscal Year End12/31/2025Get Stock AlertsIndustry, Sector and Symbol Stock ExchangeNYSE SectorMedical Industry Biological products, except diagnostic Sub-IndustryN/A Current SymbolNYSE:AMAM CIK1836056 Webambrx.com Phone858-875-2400FaxN/AEmployees87Year Founded2003Profitability 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 Ratio13.28 Quick Ratio13.28 Sales & Book Value Annual Sales$7.40 million Price / Sales238.95 Cash FlowN/A Price / Cash FlowN/A Book Value$3.05 per share Price / Book9.18Miscellaneous Outstanding Shares63,150,000Free Float62,746,000Market Cap$1.77 billion OptionableOptionable Beta-1.92 Social Links A Guide To High-Short-Interest StocksMarketBeat's analysts have just released their top five short plays for November 2025. Learn which stocks have the most short interest and how to trade them. Enter your email address to see which companies made the list.Get This Free Report This page (NYSE:AMAM) was last updated on 10/22/2025 by MarketBeat.com Staff From Our PartnersNEW LAW: Congress Approves Setup For Digital Dollar?Trump Ally Says Congress Approved the Setup for a Digital Dollar 2.0 But according to Rep. Marjorie Taylor ...Goldco Precious Metals | SponsoredTrump cannot stop this trainThe Nobel Committee just confirmed what free-market thinkers have long argued — that true wealth isn’t built t...Porter & Company | SponsoredA Worldwide Gold Lockdown Is Now UnderwayCentral banks around the world are hoarding gold at one of the fastest rates in history — and former Goldman S...Stansberry Research | SponsoredIf You Keep Cash In A U.S. Bank Account… Read This NOWThe Treasury Department just issued a stunning warning: U.S. banks could lose up to $6.6 trillion of custom...Banyan Hill Publishing | SponsoredThe End of Elon Musk…?While headlines point to collapsing sales and fading tax credits, tech analyst Jeff Brown says Tesla is on the...Brownstone Research | SponsoredNext opportunity for crypto millionsThe floodgates have opened. Bitcoin and Ethereum ETFs are seeing record-breaking inflows, the biggest since...Crypto 101 Media | SponsoredBitcoin is dead?Bitcoin’s historic run may be ending — and Weiss Ratings’ Juan Villaverde, who’s nailed every major crypto bul...Weiss Ratings | Sponsored$15 Fund: Turn Gold Boom into Real IncomeIf you've been watching gold's historic run and wondering if it's too late… I've got good news. Because the...Investors Alley | 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 Ambrx Biopharma Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share Ambrx Biopharma 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.
