Mersana Therapeutics Inc.
MRSN | NASDAQ
$29.08
$0 (0.00%)
At close: Jan 6, 2026, 4:00 PM ET
Company Profile
Mersana Therapeutics, Inc., a clinical stage biopharmaceutical company, develops antibody drug conjugates (ADC) for cancer patients with unmet need. It develops XMT-1592, a Dolasynthen ADC targeting NaPi2b-expressing tumor cells, which is in phase I clinical trial for the treatment of ovarian cancer and NSCLC adenocarcinoma. The company also develops XMT-1660, a B7-H4-targeted Dolasynthen ADC candidate; and XMT-2056, an immunosynthen development candidate. It has a strategic research and development partnerships with Merck KGaA and Asana BioSciences, LLC for the development of ADC product candidates utilizing Fleximer. The company was formerly known as Nanopharma Corp. and changed its name to Mersana Therapeutics, Inc. in November 2005. Mersana Therapeutics, Inc. was incorporated in 2001 and is headquartered in Cambridge, Massachusetts.
Key Executives
| Name | Position |
|---|---|
| Martin H. Huber | President, Chief Executive Officer & Director |
| Alejandra Veronica Carvajal | Senior VP, Secretary & Chief Legal Officer |
| Brian C. DeSchuytner | Senior Vice President, Chief Financial Officer & Chief Operating Officer |
| Ashish Mandelia | VP & Chief Accounting Officer |
| Chuck Miller | Senior Vice President of Regulatory Affairs |
| Jason Fredette | Senior Vice President of Investor Relations & Corporate Communications |
| Marc Damelin | Exe. Director and Head of Biology, Oncology, Antibody-Drug Conjugate ADC Discovery & Develop. |
| Mikhail Papisov | Co-Founder |
| Mohan Bala | Senior VP & Chief Development Officer |
| Timothy Lowinger | Senior VP and Chief Science & Technology Officer |
Latest SEC Filings
| Date | Type | Title |
|---|---|---|
| Dec 29, 2025 | SC 14D9/A | [Amend] Filing |
| Dec 29, 2025 | SC TO-T/A | [Amend] Filing |
| Dec 05, 2025 | SC 14D9 | Filing |
| Dec 05, 2025 | SC TO-T | Filing |
| Dec 04, 2025 | SC TO-C | Filing |
| Nov 24, 2025 | SC 13G | Statement of acquisition of beneficial ownership b... |
| Nov 14, 2025 | SC 13G | Statement of acquisition of beneficial ownership b... |
| Nov 14, 2025 | SC TO-C | Filing |
| Nov 14, 2025 | 10-Q | Quarterly Report |
| Nov 14, 2025 | SC14D9C | Filing |
Mersana Therapeutics Inc.
| Country | United States |
| IPO Date | Jun 27, 2017 |
| Industry | Biotechnology |
| Sector | Healthcare |
| Employees | 102 |
| CEO | Martin H. Huber |
Contact Details
840 Memorial Drive Cambridge,
Massachusetts 02139 United States
Stock Details
| Ticker Symbol | MRSN |
| Exchange | NASDAQ |
| Fiscal Year | January - December |
| Reporting Currency | USD |
| CIK Code | 0001442836 |
| CUSIP Number | 59045L205 |
| ISIN Number | US59045L2051 |
| SIC Code | 2834 |
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