Mersana Therapeutics, Inc. — Director's Dealing 2021

Jan 21, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Mersana Therapeutics, Inc. (MRSN)
CIK: 0001442836
Period of Report: 2021-01-15

Reporting Person: Hege Kristen (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-01-15	Stock Option (right to buy)	$21.09	A	2547	Acquired	2031-01-15	Common Stock (2547)	Direct

Footnotes

F1: The option becomes exercisable in equal quarterly installments on the last day of each calendar quarter of 2021.