Where is Mersana’s corporate headquarters?
Mersana’s headquarters are located at 840 Memorial Dr, Cambridge, MA 02139. The main office number is 617-498-0020.
When did Mersana go public? What was the price?
On June 28, 2017 at a price of $15 per share.
How is Mersana’s stock traded?
Mersana is traded on the NASDAQ Global Select Market under the ticker symbol MRSN, and its CUSIP number is 59045L 106.
When is Mersana’s fiscal year end?
Our fiscal year ends on December 31st.
Who is Mersana’s transfer agent?
Questions regarding lost certificates, transfers of stock, and address changes should be directed to:

Computershare Trust Company, N.A.
250 Royall Street
Canton, MA 02021
www.computershare.com
US Phone: +1 800 962 4284
International Phone: +1 781 575 312
Who is Mersana's independent auditor?
Ernst & Young LLP, 200 Clarendon St, Boston, MA 02116
Who is Mersana's legal counsel?
Ropes & Gray LLP, 800 Boylston Street, Boston, MA 02199
Where can I get the latest corporate news releases and financial reports?
Corporate news releases can be found under Press Releases on our Investors webpage. Quarterly and annual reports, as well as other SEC filings, can be found in the Financial Information section of our Investors webpage or directly from the SEC at www.sec.gov.
Whom should I contact regarding further inquiries?
You can reach Mersana’s investor relations team at ir@mersana.com.