This company has been marked as potentially delisted and may not be actively trading. NASDAQ:SESN Sesen Bio (SESN) Stock Price, News & Analysis Add Compare Share Share Stock Analysis Stock AnalysisBuy This Stock About Sesen Bio Stock (NASDAQ:SESN) 30 days 90 days 365 days Advanced Chart Get Sesen Bio alerts:Sign Up Key Stats Today's Range N/A50-Day Range$0.63▼$12.9952-Week Range N/AVolume93,330 shsAverage Volume1.07 million shsMarket Capitalization$2.56 billionP/E RatioN/ADividend YieldN/APrice TargetN/AConsensus RatingN/A Company OverviewSesen Bio, Inc. engages in designing, engineering, and developing targeted protein therapeutics. It offers Vicineum and Proxinium, which target tumor cell surface antigens that allow for rapid internalization into the targeted cancer cell and also have limited expression on normal cells. The company was founded by Reza Dana, K. Christopher Garcia, Gregory L. Verdine, Casey T. Weaver and K. Dane Wittrup on February 25, 2008 and is headquartered in Cambridge, MA.Read More… Receive SESN Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Sesen Bio and its competitors with MarketBeat's FREE daily newsletter. Email Address SESN Stock News HeadlinesTrey MewesApril 10, 2024 | startribune.comSesen Bio (NASDAQ: SESN)August 4, 2023 | fool.com[No Brainer Gold Play]: “Show me a better investment.”A Historic Gold Announcement Is About to Rock Wall Street? For months, sharp-eyed analysts have watched the quiet buildup behind the scenes. Now, in just days, the floodgates are set to open. The greatest investor of all time could validate what Garrett Goggin has been saying for months: Gold is entering a once-in-a-generation mania. Front-running Buffett has never been more urgent — and four tiny miners could be your ticket to 100X gains.June 22, 2025 | Golden Portfolio (Ad)After revisions, Philadelphia-based Carisma Therapeutics poised to close merger with Sesen BioMarch 6, 2023 | bizjournals.comSesen Bio wins shareholder approval for Carisma mergerMarch 2, 2023 | msn.comSesen Bio Stockholders Approve Merger with Carisma TherapeuticsMarch 2, 2023 | finance.yahoo.comSesen Bio Reports Fourth Quarter and Full-Year 2022 Financial ResultsFebruary 28, 2023 | finance.yahoo.comSHAREHOLDER ALERT: Weiss Law Reminds SESN, MLVF, VLON, and SHBI Shareholders About Its Ongoing InvestigationsFebruary 24, 2023 | benzinga.comSee More Headlines SESN Stock Analysis - Frequently Asked Questions How were Sesen Bio's earnings last quarter? Sesen Bio, Inc. (NASDAQ:SESN) issued its quarterly earnings results on Sunday, November, 7th. The company reported $7.20 earnings per share (EPS) for the quarter, topping analysts' consensus estimates of ($1.40) by $8.60. When did Sesen Bio's stock split? Sesen Bio's stock reverse split before market open on Wednesday, March 8th 2023. The 1-20 reverse split was announced on Wednesday, March 8th 2023. The number of shares owned by shareholders was adjusted after the closing bell on Wednesday, March 8th 2023. An investor that had 100 shares of stock prior to the reverse split would have 5 shares after the split. What other stocks do shareholders of Sesen Bio own? Based on aggregate information from My MarketBeat watchlists, some other companies that Sesen Bio investors own include Predictive Oncology (POAI), Ford Motor (F), Zomedica (ZOM), NIO (NIO), Bank of America (BAC), Wells Fargo & Company (WFC) and OPKO Health (OPK). Company Calendar Last Earnings11/07/2021Today6/21/2025Fiscal Year End12/31/2025Get Stock AlertsIndustry, Sector and Symbol Stock ExchangeNASDAQ SectorMedical Industry Pharmaceutical preparations Sub-IndustryN/A Current SymbolNASDAQ:SESN CIK1485003 Webwww.sesenbio.com Phone(617) 444-8550Fax617-858-0911Employees35Year FoundedN/AProfitability EPS (Most Recent Fiscal Year)($0.10) Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income-$19.88 million Net MarginsN/A Pretax Margin-59.40% Return on Equity6.70% Return on Assets5.41% Debt Debt-to-Equity RatioN/A Current Ratio6.10 Quick Ratio6.10 Sales & Book Value Annual Sales$40 million Price / Sales0.00 Cash FlowN/A Price / Cash Flow3.39 Book Value$0.78 per share Price / BookN/AMiscellaneous Outstanding Shares203,490,000Free Float196,980,000Market Cap$2.56 billion OptionableOptionable Beta0.83 7 Stocks to Buy And Hold ForeverEnter your email address and we'll send you MarketBeat's list of seven stocks and why their long-term outlooks are very promising. Get This Free Report This page (NASDAQ:SESN) was last updated on 6/22/2025 by MarketBeat.com Staff From Our Partners[No Brainer Gold Play]: “Show me a better investment.”A Historic Gold Announcement Is About to Rock Wall Street? For months, sharp-eyed analysts have watched the...Golden Portfolio | SponsoredMarket Panic: Trump Just Dropped a Bomb on Your Stockstock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tarif...American Alternative | SponsoredWhen This Happens, You Don’t Wait. 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