Arvin Yang - Jan 14, 2022 Form 4 Insider Report for Mersana Therapeutics, Inc. (MRSN)

Role
Chief Medical Officer
Signature
/s/ Brian DeSchuytner, as Attorney-in-Fact
Stock symbol
MRSN
Transactions as of
Jan 14, 2022
Transactions value $
$0
Form type
4
Date filed
1/19/2022, 04:59 PM
Previous filing
Dec 2, 2021
Next filing
Dec 2, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding MRSN Common Stock 13K Jan 14, 2022 Direct

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 +128K $0.00 128K Jan 14, 2022 Common Stock 128K $6.28 Direct F1
transaction MRSN Restricted Stock Units Award $0 +28.3K $0.00 28.3K Jan 14, 2022 Common Stock 28.3K Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The option vests in equal quarterly installments over the first four years after the vesting commencement date, January 14, 2022.
F2 Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock upon vesting.
F3 The restricted stock units vest in equal annual installments over the first four years after the vesting commencement date, January 14, 2022.