DeSchuytner Brian

SVP, COO & CFOMersana Therapeutics, Inc. (MRSN) · full profile →Form 4 · filed Jan 17, 2025
Net Selling
Open-Market Buys
$0
Open-Market Sells
$5K
Net Open-Market Flow
-$5K
Transactions
7
3 non-derivative · 4 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Jan 16, 2025Sell(S)8K$0.58$5K121K
Jan 15, 2025Option exercise(M)15K$0130K
Jan 15, 2025Option exercise(M)6K$0115K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Jan 15, 2025Option exercise(M)6K$00
Jan 15, 2025Option exercise(M)15K$044K
Jan 15, 2025Grant(A)281K$0281K
Jan 15, 2025Grant(A)63K$063K

Transaction Codes

S
Open-market sale
M
Option exercise / conversion
A
Grant / award

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001104659-25-004592) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

Build

Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.