Regulation FD Disclosure Form 8 K

On January 10, 2025, Mersana Therapeutics, Inc. (the "Company") posted an updated corporate presentation on the Company's website. To access the presentation, investors should visit the "Events & Presentations" page under the "Investors & Media" section of the Company's website at ir.mersana.com.

The information furnished in this Item 7.01 shall not be deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall such information be deemed to be incorporated by reference in any filing by the Company with the Securities and Exchange Commission under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language contained in such a filing, except as expressly set forth by specific reference in such a filing.