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Mersana Therapeutics, Inc. - Common Stock (MRSN)

27.78
-0.14 (-0.50%)
NASDAQ · Last Trade: Nov 17th, 1:26 PM EST
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Detailed Quote

Previous Close27.92
Open27.60
Bid27.78
Ask27.85
Day's Range27.54 - 28.05
52 Week Range5.210 - 70.73
Volume99,359
Market Cap1.99B
PE Ratio (TTM)6.710
EPS (TTM)4.1
Dividend & YieldN/A (N/A)
1 Month Average Volume205,366

Chart

About Mersana Therapeutics, Inc. - Common Stock (MRSN)

Mersana Therapeutics is a biotechnology company focused on the development of innovative treatments for cancer. The company specializes in advancing antibody-drug conjugates (ADCs), which are targeted therapies designed to deliver potent cytotoxic agents directly to cancer cells while minimizing damage to healthy tissue. Mersana is dedicated to improving patient outcomes through its proprietary technology platform, which enables the design of highly effective treatments aimed at addressing various types of tumors. With a strong emphasis on research and development, the company is committed to bringing novel therapies to market that address unmet medical needs in the oncology space. Read More

News & Press Releases

Mersana Therapeutics Investor Alert By The Former Attorney General Of Louisiana: Kahn Swick & Foti, LLC Investigates Adequacy of Price and Process in Proposed Sale of Mersana Therapeutics, Inc. - MRSN
Former Attorney General of Louisiana Charles C. Foti, Jr., Esq. and the law firm of Kahn Swick & Foti, LLC (“KSF”) are investigating the proposed sale of Mersana Therapeutics, Inc. (NasdaqGS: MRSN) to Day One Biopharmaceuticals, Inc. Under the terms of the proposed transaction, shareholders of Mersana will receive $25.00 per share in cash plus one non-tradable contingent value right (CVR) per share to receive certain potential milestone payments of up to $30.25 per CVR in cash, for total consideration of up to $55.25 per share in cash. KSF is seeking to determine whether this consideration and the process that led to it are adequate, or whether the consideration undervalues the Company.
By Kahn Swick & Foti, LLC · Via Business Wire · November 16, 2025
BRODSKY & SMITH SHAREHOLDER UPDATE: Notifying Investors of the Following Investigations: Cidara Therapeutics, Inc. (Nasdaq - CDTX), Mersana Therapeutics, Inc. (Nasdaq - MRSN), TreeHouse Foods Inc. (NYSE - THS), Gulf Island Inc. (Nasdaq - GIFI)
BALA CYNWYD, Pa., Nov. 14, 2025 (GLOBE NEWSWIRE) -- Brodsky & Smith reminds investors of the following investigations. If you own shares and wish to discuss the investigation, contact Jason Brodsky (jbrodsky@brodskysmith.com) or Marc Ackerman (mackerman@brodskysmith.com) at 855-576-4847. There is no cost or financial obligation to you.
By Brodsky & Smith LLC · Via GlobeNewswire · November 14, 2025
An Overview of Mersana Therapeutics's Earningsbenzinga.com
Via Benzinga · May 14, 2025
Mersana Therapeutics Inc (NASDAQ:MRSN) Reports Mixed Q3 2025 Results Amid Acquisition Newschartmill.com
Mersana Therapeutics reported mixed Q3 2025 results but the key news is its acquisition by Day One Biopharmaceuticals for $25.00 per share.
Via Chartmill · November 14, 2025
Halper Sadeh LLC Encourages MRSN, THS, HBAN Shareholders to Contact the Firm to Discuss Their Rights
Shareholders should contact the firm immediately as there may be limited time to enforce your rights
By Halper Sadeh LLC · Via GlobeNewswire · November 14, 2025
Mersana Therapeutics Stock Explodes Over 200% To Notch Best Day Ever As $285M Buyout Trumps Analyst Downgrades: Retail Cheers ‘Very Good Bargain’stocktwits.com
Mersana surged even as multiple firms downgraded the stock following Day One’s acquisition agreement.
Via Stocktwits · November 14, 2025
Stay updated with the stocks that are on the move in today's after-hours session.chartmill.com
Let's have a look at what is happening on the US markets after the closing bell on Thursday. Below you can find the top gainers and losers in today's after hours session.
Via Chartmill · November 13, 2025
Earnings Scheduled For November 14, 2025benzinga.com
Via Benzinga · November 14, 2025
12 Health Care Stocks Moving In Thursday's Intraday Sessionbenzinga.com
Via Benzinga · November 13, 2025
Dow Dips Over 400 Points; JD.com Posts Upbeat Q3 Resultsbenzinga.com
Via Benzinga · November 13, 2025
Mersana Therapeutics Earnings Previewbenzinga.com
Via Benzinga · November 13, 2025
Day One Biopharma Expands Oncology Pipeline With $285 Million Mersana Buyoutbenzinga.com
Day One Biopharmaceuticals plans to acquire Mersana Therapeutics in a deal worth up to $285 million to expand its cancer drug portfolio.
Via Benzinga · November 13, 2025
Nasdaq Down Over 150 Points; Disney Shares Fall After Q4 Resultsbenzinga.com
Via Benzinga · November 13, 2025
Mersana Catapults 200% On Day One Bio's Surprise Buyoutinvestors.com
Shares of Mersana Therapeutics catapulted early Thursday after Day One Biopharmaceuticals agreed to buy it.
Via Investor's Business Daily · November 13, 2025
MRSN Stock Alert: Halper Sadeh LLC is Investigating Whether the Sale of Mersana Therapeutics, Inc. is Fair to Shareholders
Halper Sadeh LLC, an investor rights law firm, is investigating whether the sale of Mersana Therapeutics, Inc. (NASDAQ: MRSN) to Day One Biopharmaceuticals, Inc. is fair to Mersana shareholders. Under the terms of the proposed transaction, Mersana shareholders will receive $25.00 per share in cash plus one non-tradable contingent value right (CVR) per share to receive certain potential milestone payments of up to $30.25 per CVR in cash, for total consideration of up to $55.25 per share in cash.
By Halper Sadeh LLC · Via Business Wire · November 13, 2025
12 Health Care Stocks Moving In Thursday's Pre-Market Sessionbenzinga.com
Via Benzinga · November 13, 2025
MRSN Stock Soars Over 200% Pre-Market After Day One Acquisition Dealstocktwits.com
The upfront purchase price of $25 alone represents a premium of 182% from Mersana’s closing price on Wednesday.
Via Stocktwits · November 13, 2025
Mersana Misses Fiscal Q2 Revenue Targetfool.com
Via The Motley Fool · August 13, 2025
A Look at Mersana Therapeutics's Upcoming Earnings Reportbenzinga.com
Via Benzinga · August 12, 2025
What's going on in today's sessionchartmill.com
Let's have a look at what is happening on the US markets in the middle of the day on Thursday. Below you can find the top gainers and losers in today's session.
Via Chartmill · July 24, 2025
Earnings Scheduled For August 13, 2025benzinga.com
Via Benzinga · August 13, 2025
Thursday's session: gap up and gap down stockschartmill.com
Today's session on Thursday is marked by notable gaps in various stocks. Stay informed with the gap up and gap down stocks in today's session.
Via Chartmill · July 24, 2025
12 Health Care Stocks Moving In Monday's After-Market Sessionbenzinga.com
Via Benzinga · June 30, 2025
Top movers in Thursday's after hours sessionchartmill.com
The regular session of the US market on Thursday is now over, but let's get a preview of the after-hours session and explore the top gainers and losers driving the post-market movements.
Via Chartmill · April 24, 2025
Earnings Scheduled For May 15, 2025benzinga.com
Via Benzinga · May 15, 2025