Ownership

Martin H. Huber Jr. - President, CEO, Director at Mersana Therapeutics, Inc.

Insider Transactions and Holdings

Entity Type: Individual
Role: President, CEO, Director
Stock Symbol: MRSN on Nasdaq
Industry: Pharmaceutical Preparations
All Insider Reports: All Insider Reports

Martin H. Huber Jr. - trading volume in the past year for Mersana Therapeutics, Inc.

	Shares	%	Avg Price	Total $
Buys
Sells	-54.9K	100%	$1.66	-$91.4K
Net	-54.9K	-100%		-$91.4K

Holdings reported by Martin H. Huber Jr. for Mersana Therapeutics, Inc.

Security	Num Shares	Value	Price $	Transaction Date	Ownership	Underlying Class	Underlying Amount
Restricted Stock Unit	44.3K	$120K	$2.71	Jan 15, 2024	Direct	Common Stock
Restricted Stock Unit	181K	$105K	$0.58	Jan 15, 2025	Direct	Common Stock
Common Stock	123K	$71.3K	$0.58	Jan 16, 2025	Direct
Stock Option (Right to Buy)	816K			Jan 15, 2025	Direct	Common Stock

Transactions reported by Martin H. Huber Jr. for Mersana Therapeutics, Inc.

Sym	Class	Transaction	%	Value $	* Price $	Shares	Shares After	Date	Ownership

* An asterisk sign (*) next to the price indicates that the price is likely invalid.