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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, a clinical-stage biopharmaceutical company focused on antibody-drug conjugates, has announced multiple abstracts accepted for presentation at the 2023 ASCO Annual Meeting in Chicago from June 2-6, 2023.

The key presentations include:

  • XMT-1660: A phase 1b trial targeting breast and ovarian cancers (Abstract Number: TPS3154), presented by Erika Hamilton, MD on June 3.
  • Correlating NaPi2b and FRa: Study on ovarian cancer (Abstract Number: 5545), presented by Debra Richardson, MD on June 5.
  • UP-NEXT: A study of upifitamab rilsodotin in recurrent ovarian cancer (Abstract Number: TPS5614), also by Debra Richardson, MD on June 5.
  • UPGRADE-A: Phase 1 trial of UpRi with carboplatin in high-grade serous ovarian cancer (Abstract Number: TPS5613), presented by John Hays, MD on June 5.

These presentations highlight Mersana's ongoing commitment to developing innovative cancer therapies.

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Mersana Therapeutics (NASDAQ:MRSN), a clinical-stage biopharmaceutical company, announced on April 3, 2023, that its Board of Directors granted stock options and restricted stock units (RSUs) to 10 new employees. The awards consist of stock options for 77,550 shares and RSUs for 132,925 shares, incentivizing new talent joining the company in March 2023. The stock options have an exercise price of $4.25 per share, matching the closing price on the grant date. These options will vest over four years, starting with 25% on the one-year employment anniversary. RSUs will vest annually over four years. This initiative aligns with Nasdaq Listing Rule 5635(c)(4) and aims to enhance employee retention and growth as Mersana continues its focus on developing novel antibody-drug conjugates targeting cancer.

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Mersana Therapeutics, Inc. (NASDAQ: MRSN) has announced that the U.S. FDA has placed a clinical hold on the Phase 1 trial of XMT-2056 due to a Grade 5 (fatal) serious adverse event (SAE) related to the drug. The hold follows Mersana's voluntary suspension of the trial after the SAE was reported in the second patient during the initial dose level phase. The incident is currently under investigation, and no new patients will be enrolled during the hold. Despite this setback, Mersana remains focused on their other clinical trials, including UpRi and XMT-1660, which are not affected by this situation.

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Mersana Therapeutics (NASDAQ: MRSN) provided an update on its capital resources on March 10, 2023. A minimal amount of the company’s resources is held in a checking account at Silicon Valley Bank (SVB), while most is secured in a custodial account and money market funds with other institutions. The company has borrowed $25 million from a loan agreement with Oxford Finance LLC and SVB, with an additional $15 million available. The recent closure of SVB does not trigger repayment under the loan agreement. Mersana is focused on developing antibody-drug conjugates (ADCs) to treat cancers with significant unmet needs.

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Mersana Therapeutics (NASDAQ:MRSN), a clinical-stage biopharmaceutical company, announced on March 1, 2023, that it granted inducement awards consisting of restricted stock unit awards (RSUs) for 44,930 shares to four new employees who joined in February 2023. These awards are part of the terms set by the Compensation Committee and comply with Nasdaq Listing Rule 5635(c)(4). The RSUs will vest in equal annual installments over four years, contingent on the employees' continued service. Mersana is advancing its pipeline of antibody-drug conjugates (ADCs) aimed at improving the lives of cancer patients, with several clinical trials underway.

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Mersana Therapeutics (NASDAQ: MRSN) announced key developments in its clinical and business strategies during a conference call on February 28, 2023. The company initiated the dose expansion phase of the UPGRADE-A trial for UpRi in combination with carboplatin and began patient dosing for its lead candidate, XMT-2056. Significant collaborations include a commercial agreement with Merck KGaA, with an upfront fee of $30 million. Mersana anticipates topline data from the UPLIFT trial in mid-2023 and plans a potential Biologics License Application (BLA) submission by year-end. Financially, the company reported a net loss of $44.9 million in Q4 2022, with cash reserves of $280.7 million as of December 31, 2022.

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Mersana Therapeutics, a clinical-stage biopharmaceutical company focused on antibody-drug conjugates (ADCs) for cancer treatment, announced plans to report its financial results for Q4 and full year 2022 on February 28, 2023. The company will host a conference call at 8:00 a.m. ET, accessible via domestic and international dial-in numbers. Mersana is developing multiple ADCs, including UpRi, which targets platinum-resistant ovarian cancer and is currently in several clinical trials. The company’s innovative ADC platforms are also in use by partners to advance their own drug pipelines.

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Mersana Therapeutics (NASDAQ:MRSN) has granted inducement awards of stock options for 42,000 shares and restricted stock units (RSUs) for 97,665 shares to 10 new employees starting January 2023. The stock options have an exercise price of $6.72 per share, matching the stock's closing price on February 1, 2023. Vesting for options occurs over four years, while the RSUs will vest annually over four years. This grant aligns with Nasdaq Listing Rule 5635(c)(4) and emphasizes Mersana's commitment to enhancing its workforce as it develops its pipeline of antibody-drug conjugates for cancer treatment.

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Mersana Therapeutics (NASDAQ: MRSN), a clinical-stage biopharmaceutical company, will present at several upcoming investor conferences in February and March 2023. Key events include:

  • Guggenheim Oncology Conference: Feb 8, 2023, at 2:10 p.m. ET
  • SVB Securities Global Biopharma Conference: Feb 15, 2023, at 1:00 p.m. ET
  • Cowen 43rd Annual Health Care Conference: Mar 8, 2023, at 9:10 a.m. ET
  • Oppenheimer 33rd Annual Healthcare Conference: Mar 14, 2023, at 12:00 p.m. ET

Live webcasts will be available on Mersana’s website, with archived replays for 90 days.

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FAQ

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

The current stock price of Mersana Therapeutics (MRSN) is $0.3189 as of May 9, 2025.

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

The market cap of Mersana Therapeutics (MRSN) is approximately 49.6M.
Mersana Therapeutics Inc

Nasdaq:MRSN

MRSN Rankings

MRSN Stock Data

49.57M
122.75M
1.4%
85.51%
8.28%
Biotechnology
Pharmaceutical Preparations
Link
United States
CAMBRIDGE