Mersana Therapeutics, Inc. — Director's Dealing 2021

Jun 4, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Mersana Therapeutics, Inc. (MRSN)
CIK: 0001442836
Period of Report: 2021-06-01

Reporting Person: Alleva Lawrence M (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-06-01	Common Stock	P	1035	$14.38	Acquired	2120	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	0	Direct

Footnotes

F1: In a Form 4 filed on June 3, 2020, the reporting person reported direct beneficial ownership of 1,085 shares of the Company's common stock. Such shares are held directly by the Lawrence M. Alleva Revocable Trust and the nature of the reporting person's interest in such shares is indirect.

F2: The securities are held directly by the Lawrence M. Alleva Revocable Trust.