|4Oct 28, 4:10 PM ET

Bala Mohan 4

4 · Mersana Therapeutics, Inc. · Filed Oct 28, 2025

Insider Transaction Report

Form 4
Period: 2025-10-25
Bala Mohan
SVP, Chief Development
Transactions
  • Exercise/Conversion

    Common Stock

    2025-10-25+2502,999 total
  • Exercise/Conversion

    Restricted Stock Unit

    2025-10-252500 total
    Common Stock (250 underlying)
  • Sale

    Common Stock

    2025-10-27$9.90/sh77$7622,922 total
Footnotes (5)
  • [F1]Represents shares of common stock received upon vesting of the restricted stock units ("RSUs") awarded to the Reporting Person on October 25, 2021.
  • [F2]Amounts reported in this Form 4 reflect the one-for-twenty-five reverse stock split effected by the Issuer on July 25, 2025.
  • [F3]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 pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 10, 2023. The sale was effected through an automatic "sell to cover" transaction that did not represent a discretionary trade by the Reporting Person.
  • [F4]Each RSU represents the contingent right to receive one share of common stock of the Issuer.
  • [F5]Fully vested as of October 25, 2025.

Documents

1 file
  • 4
    tm2529633-1_4seq1.xmlPrimary

    OWNERSHIP DOCUMENT