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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 upcoming presentation of Phase 1 clinical data for emiltatug ledadotin (Emi-Le) at ESMO Breast Cancer 2025 Annual Congress in Munich. The presentation will focus on clinical activity in patients with triple negative breast cancer (TNBC) who received prior topoisomerase-1 inhibitor ADC treatment.

Initial clinical data from December 13, 2024, showed Emi-Le was generally well-tolerated with a differentiated safety profile. The B7-H4-directed Dolasynthen ADC demonstrated confirmed objective responses across all enrolled tumor types. The FDA has granted two Fast Track designations for Emi-Le: one for advanced/metastatic TNBC and another for advanced/metastatic breast cancer in patients with HER2-low or HER2-negative disease who received prior topo-1 ADC.

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Mersana Therapeutics (NASDAQ: MRSN) has reported its Q4 and full year 2024 financial results, highlighting significant progress in its clinical development programs. The company announced positive initial Phase 1 data for Emi-Le, its B7-H4-targeting ADC candidate, and received an additional Fast Track designation from the FDA.

Key financial metrics for Q4 2024:

  • Cash position: $134.6 million as of December 31, 2024
  • Collaboration revenue: $16.4 million (up from $10.7 million in Q4 2023)
  • Net loss: $14.1 million ($0.11 per share)
  • R&D expenses: $22.3 million
  • G&A expenses: $8.9 million

For full year 2024, the company reported collaboration revenue of $40.5 million and a net loss of $69.2 million ($0.56 per share). Mersana expects its current capital resources to support operations into 2026.

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Mersana Therapeutics (NASDAQ: MRSN), a clinical-stage biopharmaceutical company focused on developing antibody-drug conjugates (ADCs) for cancer treatment in areas of high unmet medical need, has announced its participation in two upcoming investor conferences.

Management will present at the TD Cowen 45th Annual Health Care Conference on Tuesday, March 4, 2025, at 1:50 p.m. Eastern Time in a presentation/fireside chat format. Additionally, they will participate in a fireside chat at the Leerink Global Healthcare Conference on Tuesday, March 11, 2025, at 1:40 p.m. Eastern Time.

Both events will be available via live webcasts on the Investors & Media section of Mersana's website (www.mersana.com), with archived replays accessible for approximately 90 days after the events.

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Mersana Therapeutics (NASDAQ: MRSN), a clinical-stage biopharmaceutical company specializing in antibody-drug conjugates (ADCs) for cancer treatment, has announced its upcoming fourth quarter and full year 2024 financial results conference call. The event is scheduled for Monday, March 3, 2025, at 8:00 a.m. Eastern Time.

The company will present business updates and financial performance for the period ending December 31, 2024. Interested parties can join via phone by dialing 833-255-2826 (domestic) or 412-317-0689 (international). A live webcast will be available on the Investors & Media section of www.mersana.com, with a replay accessible for approximately 90 days following the presentation.

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Mersana Therapeutics (NASDAQ:MRSN) has announced an inducement grant under Nasdaq Listing Rule 5635(c)(4). The company's Compensation Committee approved a restricted stock unit (RSU) award for one new employee who joined in January 2025. The grant consists of RSUs to acquire 20,610 shares of common stock.

The RSU award will vest in equal annual installments over four years, beginning February 15, 2025, contingent upon the employee's continued service with Mersana. The grant is subject to Mersana's 2022 Inducement Stock Incentive Plan and the terms of an RSU agreement.

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Mersana Therapeutics (NASDAQ: MRSN), a clinical-stage biopharmaceutical company specializing in antibody-drug conjugates (ADCs) for cancer treatment, has announced its participation in the upcoming Guggenheim SMID Cap Biotech Conference. The company's management will engage in a fireside chat scheduled for February 6, 2025, at 1:30 p.m. ET.

Investors and interested parties can access a live webcast of the presentation through Mersana's website (www.mersana.com) in the Investors & Media section. The recorded session will remain available for approximately 90 days after the event.

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Mersana Therapeutics (NASDAQ: MRSN) announced that the FDA granted an additional Fast Track designation to XMT-1660, now named emiltatug ledadotin (Emi-Le). The new designation covers advanced or metastatic breast cancer treatment in patients with HER2 low or HER2-negative disease, including triple-negative breast cancer (TNBC), who have received prior topoisomerase-1 inhibitor ADC treatment.

This adds to the previous Fast Track designation for treating adult patients with advanced or metastatic recurrent TNBC. The FDA's Fast Track program could enable benefits like more frequent FDA communications and potential Accelerated Approval. The company is also announcing initial Phase 1 clinical data for Emi-Le, with results being discussed in a separate conference call.

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Mersana Therapeutics (NASDAQ: MRSN) announced positive initial clinical data from Phase 1 trial of emiltatug ledadotin (Emi-Le), targeting B7-H4 in cancer treatment. The trial enrolled 130 patients with advanced/metastatic cancers, including triple-negative breast cancer (TNBC).

Key findings show Emi-Le was generally well-tolerated with no Grade 4 or 5 treatment-related adverse events. At intermediate doses (38.1-67.4 mg/m2), confirmed objective response rate was 23% across B7-H4 high tumors and TNBC patients previously treated with topo-1 ADCs. The company has initiated expansion in TNBC patients at 67.4 mg/m2 dose.

Notable safety profile includes no dose-limiting treatment-related neutropenia, neuropathy, ocular toxicity, or thrombocytopenia. Common treatment-related adverse events included AST increase (38%), proteinuria (31%), nausea (29%), and fatigue (28%).

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Mersana Therapeutics (NASDAQ: MRSN) reported Q3 2024 financial results and provided business updates. The company ended Q3 with $155.2 million in cash, expecting to fund operations into 2026. Q3 revenue was $12.6 million, up from $7.7 million in Q3 2023. Net loss decreased to $11.5 million ($0.09 per share) from $41.7 million ($0.35 per share) year-over-year. The company plans to announce initial clinical data for XMT-1660 by year-end 2024 and is advancing Phase 1 trials for both XMT-1660 and XMT-2056. Mersana achieved milestone payments of $8 million from Johnson & Johnson and $1 million from Merck KGaA collaborations.

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Mersana Therapeutics (NASDAQ: MRSN), a clinical-stage biopharmaceutical company developing antibody-drug conjugates for cancer treatment, has scheduled its Q3 2024 financial results and business updates conference call for November 13, 2024 at 8:00 a.m. Eastern Time. Investors can access the call via domestic (833-255-2826) or international (412-317-0689) dial-in numbers. A webcast will be available on the company's website, with a replay accessible for approximately 90 days following the presentation.

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FAQ

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

The current stock price of Mersana Therapeutics (MRSN) is $7.66 as of August 28, 2025.

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

The market cap of Mersana Therapeutics (MRSN) is approximately 38.2M.
Mersana Therapeutics Inc

Nasdaq:MRSN

MRSN Rankings

MRSN Stock Data

38.18M
4.91M
1.46%
62.48%
8.01%
Biotechnology
Pharmaceutical Preparations
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United States
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