EcoR1 Capital, LLC - 10%+ Owner at Mersana Therapeutics, Inc.

Insider Transactions and Holdings

Entity Type: Company
Role: 10%+ Owner
Stock Symbol: MRSN on Nasdaq
Industry: Pharmaceutical Preparations
All Insider Reports: All Insider Reports

There are no Buy or Sell transactions made by EcoR1 Capital, LLC since 10/5/2023

Holdings reported by EcoR1 Capital, LLC for Mersana Therapeutics, Inc.

Class	Num Shares	Value	Price $	Transaction Date	Ownership	Underlying Class	Underlying Amount
Common Stock	19.4M	$52.5M	$2.71	Jul 27, 2023	Indirect

There are no transactions reported by EcoR1 Capital, LLC for Mersana Therapeutics, Inc.