Martin H. Huber Jr. - Oct 2, 2023 Form 4 Insider Report for Mersana Therapeutics, Inc. (MRSN)

Signature
/s/ Alejandra Carvajal, Attorney-in-Fact
Stock symbol
MRSN
Transactions as of
Oct 2, 2023
Transactions value $
$0
Form type
4
Date filed
10/4/2023, 04:31 PM
Previous filing
Sep 13, 2023
Next filing
Jan 17, 2024

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 +9.1K $0.00 9.1K Oct 2, 2023 Common Stock 9.1K $1.26 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 non-employee 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 $9,557.69 for service as a non-employee director between July 1, 2023 and September 10, 2023 in the quarter ended September 30, 2023.
F2 Fully vested as of the date of grant.