Mohan Bala - 13 Jan 2025 Form 4 Insider Report for Mersana Therapeutics, Inc. (MRSN)

Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
15 Jan 2025, 21:16:15 UTC
Prior SEC filing
29 Oct 2024
Next SEC filing
17 Jan 2025
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Alejandra Carvajal, Attorney-in-Fact

Key filing fact

Mohan Bala filed Form 4 for Mersana Therapeutics, Inc. (MRSN) on 15 Jan 2025.

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.

Change

  • Previous filing in this sequence was filed on 29 Oct 2024.
  • Current net transaction value: -$2,147.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MRSN transaction

Common Stock

Options Exercise

Transaction value
$0
Shares
+8,750
Change %
+16%
Price
$0.000000
Shares after
63,481
Date
13 Jan 2025
Ownership
Direct
Footnotes
F1
MRSN transaction

Common Stock

Sale

Transaction value
$2,147
Shares
-3,253
Change %
-5.1%
Price
$0.6600
Shares after
60,228
Date
14 Jan 2025
Ownership
Direct
Footnotes
F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

MRSN transaction Derivative

Restricted Stock Unit

Options Exercise

Transaction value
$0
Shares
-8,750
Change %
-33%
Price
$0.000000
Shares after
17,500
Date
13 Jan 2025
Ownership
Direct
Underlying class
Common Stock
Underlying amount
8,750
Exercise price
Footnotes
F3, F4
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

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).

Explanation of responses 4 footnotes

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.

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