Mersana Therapeutics, Inc. — Director's Dealing 2021

Jan 7, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Mersana Therapeutics, Inc. (MRSN)
CIK: 0001442836
Period of Report: 2021-01-04

Reporting Person: Mandelia Ashish (VP, Controller)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-01-04	Common Stock	S	247	$26.76	Disposed	0	Direct

Footnotes

F1: Transaction effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 11, 2020.

F2: These shares were acquired under the Issuer's 2017 Employee Stock Purchase Plan on December 31, 2020.