Alejandra Carvajal - 26 Apr 2022 Form 4 Insider Report for Mersana Therapeutics, Inc. (MRSN)

Role
Chief Legal Officer
Signature
/s/Alejandra Carvajal
Issuer symbol
MRSN
Transactions as of
26 Apr 2022
Net transactions value
-$14,568
Form type
4
Filing time
28 Apr 2022, 17:23:55 UTC
Previous filing
19 Jan 2022
Next filing
18 Jan 2023
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MRSN Common Stock Options Exercise $0 +13,250 $0.000000 13,250 26 Apr 2022 Direct F1
transaction MRSN Common Stock Sale $14,568 -3,948 -30% $3.69 9,302 26 Apr 2022 Direct F2

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 Restricted stock unit Options Exercise $0 -13,250 -50% $0.000000 13,250 26 Apr 2022 Common Stock 13,250 Direct F3, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents shares of common stock received upon the vesting of a portion of the restricted stock units ("RSUs") awarded to the Reporting Person on April 26, 2021.
F2 Represents the sale of shares of common stock to satisfy the Reporting Person's tax withholding obligations in connection with the service-based vesting and settlement of the RSUs.
F3 Each RSU represents the contingent right to receive one share of common stock of the Issuer.
F4 The RSUs vested as to 50% of the shares on April 26, 2022 and will vest as to 50% of the shares on April 26, 2023, subject to the Reporting Person's continued service to the Issuer on such date.

Remarks:

Exhibit 24 - Power of Attorney