Mersana Therapeutics, Inc. (MRSN) Research

Mersana Therapeutics, Inc. is a clinical-stage biopharmaceutical company dedicated to pioneering novel antibody-drug conjugates (ADCs) for cancer patients with pressing unmet medical needs. Their flagship product candidate, XMT-1592, a Dolasynthen ADC engineered to target NaPi2b-expressing tumor cells, is presently undergoing Phase I clinical evaluation for the treatment of ovarian cancer and NSCLC adenocarcinoma. The company's development pipeline also includes XMT-1660, a B7-H4-targeted Dolasynthen ADC candidate, and XMT-2056, an Immunosynthen development candidate. Additionally, Mersana maintains strategic research and development collaborations with Merck KGaA and Asana BioSciences, LLC for the creation of ADC product candidates, leveraging its Fleximer technology. Incorporated in 2001, the company initially operated as Nanopharma Corp. before rebranding as Mersana Therapeutics, Inc. in November 2005, and is headquartered in Cambridge, Massachusetts.

Market snapshot

Symbol
MRSN
Price
$29.08
Day change
0.00%
Market cap
$145.4M
P/E ratio
-2.07x
52-week range
5.21-30.39
Sector
Healthcare
Industry
Biotechnology
Analyst price target
$10.00

Peer companies

  • Aligos Therapeutics, Inc. (ALGS)
  • BioAtla, Inc. (BCAB)
  • Barinthus Biotherapeutics plc (BRNS)
  • FibroGen, Inc. (FGEN)
  • INmune Bio, Inc. (INMB)
  • Kezar Life Sciences, Inc. (KZR)
  • OnKure Therapeutics, Inc. (OKUR)
  • Tempest Therapeutics, Inc. (TPST)

Recent insider activity

  • Hack Andrew A. F. — D-Return (2460 shares) on 2026-01-06
  • Hack Andrew A. F. — D-Return (1000 shares) on 2026-01-06
  • Hack Andrew A. F. — D-Return (368 shares) on 2026-01-06
  • Hack Andrew A. F. — D-Return (1800 shares) on 2026-01-06
  • Hack Andrew A. F. — D-Return (2088 shares) on 2026-01-06

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