Mersana Therapeutics, Inc. (MRSN)

NASDAQ

$--

(--)

After-Hours

Mersana Therapeutics, Inc. (MRSN) Live Price Chart

Last updated: ⁦2026-10-20 22:15:20⁩. Prices reflect the latest after-hours trading data. Stock price data is sourced from Massive.

Summary

Mersana Therapeutics, Inc. (MRSN) operates in the PHARMACEUTICAL PREPARATIONS sector and is listed on NASDAQ. The stock is currently priced at --, with a market capitalization of -- and a P/E ratio of --. Over the past 52 weeks, its price has ranged from -- to --. This page covers its latest market performance, valuation, price trends and company information.

Key Market Data

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Mersana Therapeutics, Inc. (MRSN) After-Hours Stock Price

Mersana Therapeutics, Inc. (MRSN) is trading at $-- in after-hours trading as of --, -- from the regular-session close of $--.

After-hours trading shows how investors are pricing MRSN after the regular session closes. The current after-hours price is -- the regular-session close, indicating -- after-hours sentiment.

Mersana Therapeutics, Inc. (MRSN) 7-Day Stock Price Change

Over the past seven days, Mersana Therapeutics, Inc. (MRSN) moved from $29.01 to $29.08, representing a gain of 0.25% ($0.07).

The stock traded between $28.11 and $30.39 during the period. The latest price is near the middle of the 7-day range, indicating range-bound.

The average daily volume was 220.01 thousand shares, up versus the previous seven-day period, indicating higher trading activity.

What is Mersana Therapeutics, Inc. (MRSN)?

Mersana Therapeutics Inc is a clinical-stage biopharmaceutical company focused on developing antibody-drug conjugates (ADCs) that offer a clinically meaningful benefit for cancer patients with unmet needs. The Company's next-generation ADC platforms include Dolasynthen, which delivers a proprietary auristatin payload, and Immunosynthen, which delivers a proprietary stimulator of interferon genes (STING) agonist payload. Its pipeline includes Emi-Le (XMT-1660), XMT-2056, XMT-2068, and XMT-2175.

Mersana Therapeutics, Inc. Information

Industry	PHARMACEUTICAL PREPARATIONS
Employees	102
Exchange	NASDAQ
Company Website	https://www.mersana.com

How to Buy Mersana Therapeutics, Inc. (MRSN) Stock on MEXC

Eligible investors can buy real shares of Mersana Therapeutics, Inc. (MRSN) through MEXC RealStocks. Follow these three steps to open a RealStocks account, transfer USDT, and place a US stock order.

Step 1: Open and Verify Your RealStocks Account

Log in to the MEXC App, go to Trade → RealStocks, and select Open Account. Complete the required account-opening and identity verification process with MEXC's partner licensed broker.

Step 2: Transfer USDT to Your RealStocks Account

Go to Wallets → RealStocks and transfer USDT from your Spot Account to your RealStocks Account. RealStocks are quoted in USD, while account funding can be completed using USDT.

Step 3: Search for MRSN and Place Your Order

Open the RealStocks trading page and search for MRSN. Select a market or limit order, enter the price and quantity as required, review the order details, and submit your order. Once filled, the corresponding real shares will be held in your RealStocks Account.

Frequently Asked Questions (FAQ)

1.What is Mersana Therapeutics, Inc. (MRSN) stock price today?

Mersana Therapeutics, Inc. (MRSN) is currently trading at --, -- from the previous close of --. Intraday prices update in real time during regular trading hours.

2.Is MRSN stock going up or down today?

As of --, MRSN is trading at --, -- from its previous close of --. The stock has traded between -- and -- during today’s regular session. Past price movements do not guarantee future results.

3.What is MRSN pre-market price?

As of --, MRSN is trading at -- in pre-market trading, -- from the previous close of --. Pre-market prices reflect trading activity before the regular session opens and may experience lower liquidity and higher volatility.

4.What is MRSN after-hours price?

As of --, MRSN is trading at -- in after-hours trading, -- from the regular-session close of --. After-hours prices may differ from the regular session’s opening price due to lower liquidity and wider bid-ask spreads.

5.Is MRSN stock trading now?

MRSN trades on the NASDAQ exchange during regular hours, Monday through Friday, 9:30 AM to 4:00 PM ET, excluding public holidays. Pre-market and after-hours trading are also available through select brokers outside these hours.

6.Where does MRSN sit relative to its 52-week high and low?

Over the past 52 weeks, MRSN has traded between a low of -- and a high of --. At --, the stock is positioned --% of the way from its 52-week low to its 52-week high, providing context for its current price within the one-year trading range.

7.What sector is Mersana Therapeutics, Inc. in?

Mersana Therapeutics, Inc. (MRSN) operates in the PHARMACEUTICAL PREPARATIONS sector. Sector classification helps investors compare it with companies exposed to similar market trends and competitive conditions.

8.What is Mersana Therapeutics, Inc.'s market capitalization and where is it listed?

Mersana Therapeutics, Inc. is listed on the NASDAQ exchange with a market capitalization of --. Market cap reflects the total market value of all outstanding shares and is commonly used to classify stocks by size.

9.How is MRSN valued in terms of P/E ratio and EPS?

MRSN trades at a P/E ratio of --, based on trailing-twelve-month EPS of --. P/E ratio compares the stock price to earnings per share and is a common starting point for assessing valuation relative to peers.

10.Does Mersana Therapeutics, Inc. pay a dividend?

Mersana Therapeutics, Inc. pays an indicated annual cash dividend of -- per share, with a current dividend yield of --% based on the latest share price. Dividend policies are subject to change at the board's discretion.