Key facts
- This page summarizes Mohan Bala's Form 4 filing for Mersana Therapeutics, Inc. (MRSN).
- 3 reported transactions and 1 derivative row are listed below.
- Accepted by SEC: 15 Jan 2025, 21:16.
Key filing fact
Ownership activity is grounded in SEC Form 4 disclosures.
Shares, units, or other non-derivative securities reported in this filing.
Options Exercise
Sale
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
Options Exercise
Additional SEC filing notes
Rule 10b5-1 trading plan
These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.
Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).
Footnote F1
Represents shares of common stock received upon vesting of a portion of the restricted stock units ("RSUs") awarded to the Reporting Person on January 13, 2023.
Footnote 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 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.
Footnote F3
Each RSU represents the contingent right to receive one share of common stock of the Issuer.
Footnote F4
25% of the total number of RSUs granted vested on January 13, 2025, and the remainder shall vest thereafter in equal annual installments over the next two years.