Lawrence M. Alleva - Jan 3, 2022 Form 4 Insider Report for Mersana Therapeutics, Inc. (MRSN)

Role
Director
Signature
Brian DeSchuytner, as Attorney-in-Fact
Stock symbol
MRSN
Transactions as of
Jan 3, 2022
Transactions value $
$0
Form type
4
Date filed
1/5/2022, 04:04 PM
Previous filing
Jul 6, 2021
Next filing
Jun 10, 2022

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction MRSN Stock Option (right to buy) Award $0 +13.7K $0.00 13.7K Jan 3, 2022 Common Stock 13.7K $6.44 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The option becomes exercisable in equal quarterly installments on the last day of each calendar quarter of 2022.