Martin H. Huber Jr. - Apr 3, 2023 Form 4 Insider Report for Mersana Therapeutics, Inc. (MRSN)

Role
Director
Signature
/s/Alejandra Carvajal, Attorney-in-Fact
Stock symbol
MRSN
Transactions as of
Apr 3, 2023
Transactions value $
$0
Form type
4
Date filed
4/5/2023, 05:15 PM
Previous filing
Feb 3, 2023
Next filing
Jun 12, 2023

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 +3.38K $0.00 3.38K Apr 3, 2023 Common Stock 3.38K $4.25 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This stock option was granted in connection with the Reporting Person's election to receive the Reporting Person's quarterly retainer for director services in the form of stock options rather than cash. The options were granted to the Reporting Person pursuant to the Issuer's Amended & Restated Non-Employee Director Compensation Policy in lieu of retainer fees of $11,000 for the quarter ended March 31, 2023.
F2 Fully vested as of the date of grant