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Mersana Therapeutics Inc Stock Price, News & Analysis

MRSN Nasdaq

Welcome to our dedicated page for Mersana Therapeutics news (Ticker: MRSN), a resource for investors and traders seeking the latest updates and insights on Mersana Therapeutics stock.

Mersana Therapeutics Inc (MRSN) is a clinical-stage biopharmaceutical pioneer developing antibody-drug conjugates (ADCs) through its proprietary Fleximer platform. This page serves as the definitive source for verified news and regulatory updates about their innovative cancer therapies.

Investors and researchers will find timely updates on clinical trial progress, partnership announcements, and scientific advancements across MRSN's ADC platforms. Our curated feed includes press releases about Dolasynthen payload optimization, Immunosynthen immune activation studies, and strategic collaborations advancing oncology pipeline candidates.

All content undergoes strict verification to ensure accuracy in reporting trial phases, regulatory milestones, and business developments. Bookmark this page for centralized access to MRSN's latest ADC research breakthroughs, presented with context for both professional investors and therapeutic area specialists.

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Mersana Therapeutics (Nasdaq: MRSN) announced the appointment of Chuck Miller as Senior Vice President of Regulatory Affairs. With over 25 years of experience, Miller has previously held leadership roles at TESARO and Cubist. He was integral in the regulatory approval of significant products like ZEJULA and ZERBAXA. As Mersana focuses on advancing its clinical pipeline, including XMT-1536 for ovarian cancer and XMT-1592, Miller's expertise is expected to be crucial. His appointment aligns with the company’s ongoing commitment to improving outcomes for cancer patients.

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Mersana Therapeutics (NASDAQ:MRSN) reported promising interim data from its XMT-1536 Phase 1 study, showcasing a 35% objective response rate in ovarian cancer patients. The company initiated a Phase 1 study for its Dolasynthen ADC, XMT-1592. Financially, Mersana raised $240 million in gross proceeds, providing funding for over two years. Despite a net loss of $19.8 million in Q2 2020, an increase in collaboration revenue to $0.8 million was noted. Mersana plans to further disclose data at ESMO and anticipates updates on its clinical programs.

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Mersana Therapeutics, Inc. (NASDAQ: MRSN) announced its participation in two investor conferences in August 2020. The company focuses on developing antibody-drug conjugates (ADCs) to treat cancers with significant unmet medical needs. Key events include:

  • BTIG Virtual Biotechnology Conference - August 11, 2020, 1:00 p.m. ET (Fireside Chat)
  • Wedbush PacGrow Healthcare Virtual Conference - August 12, 2020, 1:45 p.m. ET (Presentation)

Webcasts will be available on Mersana's website, with archived replays for 90 days.

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Mersana Therapeutics (NASDAQ:MRSN) announced an upcoming conference call on August 7, 2020, at 8:00 a.m. ET to discuss its financial results for Q2 2020, ending June 30. The company specializes in developing antibody-drug conjugates (ADCs) for high unmet medical needs in cancer treatment. Mersana's lead candidate, XMT-1536, is advancing through clinical trials for ovarian cancer and non-small cell lung cancer (NSCLC). The company is also progressing with XMT-1592, targeting NaPi2b-expressing tumors. More information is available on their website.

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Mersana Therapeutics (NASDAQ: MRSN) presented promising preclinical data on XMT-1592, an antibody-drug conjugate (ADC) targeting NaPi2b, and its Immunosynthen STING-agonist ADC platform at AACR 2020. Key findings include excellent activity, tolerability, and pharmacokinetics of XMT-1592, which is undergoing a Phase 1 study for non-small cell lung cancer and ovarian cancer. Additionally, Immunosynthen demonstrated complete tumor regressions in preclinical models with robust immune memory.

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Mersana Therapeutics (MRSN) has closed an underwritten registered public offering of 9,200,000 shares of common stock at $19.00 per share, raising approximately $174.8 million in gross proceeds. The offering involved the exercise of underwriters' options for additional shares. The funds will support Mersana's pipeline of antibody-drug conjugates targeting cancer, including ongoing clinical trials for its lead candidate, XMT-1536. Cowen and SVB Leerink acted as joint bookrunning managers.

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Mersana Therapeutics (NASDAQ:MRSN) announced that CEO Anna Protopapas will present at the Jefferies Virtual Global Healthcare Conference on June 3 at 9:00 a.m. ET. The presentation will be available via live webcast on Mersana's website, with an archived replay accessible for 90 days post-event.

Mersana is focused on developing antibody-drug conjugates (ADCs) for cancer treatment. Their leading candidate, XMT-1536, is in a Phase 1 study for ovarian cancer and NSCLC adenocarcinoma. Another ADC, XMT-1592, targets NaPi2b-expressing tumors and is in dose escalation stages.

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Mersana Therapeutics (Nasdaq:MRSN) announced plans for an underwritten public offering of 5 million shares of common stock, with a 30-day option for underwriters to purchase an additional 15%. The proceeds will fund clinical development of XMT-1536 and XMT-1592, advance new ADC candidates into Phase 1 trials, and cover general corporate expenses. The offering is conditional and dependent on market conditions. The shares are offered under an effective shelf registration statement filed with the SEC.

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Mersana Therapeutics (NASDAQ:MRSN), a clinical-stage biopharmaceutical company, will present preclinical data for its ADC candidate XMT-1592 and its Immunosynthen STING-agonist ADC platform at the AACR 2020 Virtual Annual Meeting from June 22 to June 24, 2020. Key presentations include:

  • XMT-1592: Targeting NaPi2b in ovarian cancer and lung adenocarcinoma (Abstract 7067, Poster 2894)
  • STING Agonist ADC: Promoting anti-tumor immune responses (Abstract 6258, Poster 6706)

This reflects Mersana's commitment to developing innovative cancer therapies.

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Mersana Therapeutics (NASDAQ:MRSN) announced the start of patient dosing for its Phase 1 dose escalation study of XMT-1592, an antibody-drug conjugate targeting NaPi2b. This study aims to establish the maximum tolerated dose in patients with non-small cell lung cancer (NSCLC) adenocarcinoma and ovarian cancer. XMT-1592 has shown promising preclinical efficacy, particularly a four-fold increase in efficacy over its predecessor, XMT-1536. This advancement marks a significant milestone in Mersana's pipeline development.

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FAQ

What is the current stock price of Mersana Therapeutics (MRSN)?

The current stock price of Mersana Therapeutics (MRSN) is $0.3533 as of May 21, 2025.

What is the market cap of Mersana Therapeutics (MRSN)?

The market cap of Mersana Therapeutics (MRSN) is approximately 44.6M.
Mersana Therapeutics Inc

Nasdaq:MRSN

MRSN Rankings

MRSN Stock Data

44.64M
122.65M
1.4%
85.51%
8.28%
Biotechnology
Pharmaceutical Preparations
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United States
CAMBRIDGE