Arkolith/Insider Trading/MRSN/Form 4

Huber Martin H. Jr.

President, CEO, DirectorMersana Therapeutics, Inc. (MRSN) · full profile →Form 4 · filed Sep 15, 2025
Net Selling
Open-Market Buys
$0
Open-Market Sells
$15K
Net Open-Market Flow
-$15K
Transactions
3
2 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Sep 12, 2025Sell(S)2K$7.31$15K10K
Sep 11, 2025Option exercise(M)7K—$012K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Sep 11, 2025Option exercise(M)7K—$013K

Transaction Codes

S
Open-market sale
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001104659-25-090026) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML

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