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	-50.4K	100%	$1.76	-$88.7K
Net	-50.4K	-100%		-$88.7K

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

Class	Num Shares	Value	Price $	Transaction Date	Ownership	Underlying Class	Underlying Amount
Common Stock	116K	$205K	$1.76	Sep 12, 2024	Direct
Restricted Stock Unit	44.3K	$120K	$2.71	Jan 15, 2024	Direct	Common Stock
Restricted Stock Unit	500K			Sep 11, 2024	Direct	Common Stock
Stock Option (Right to Buy)	199K			Jan 15, 2024	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.