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Lowinger Timothy B's Form 4 filing

Mersana Therapeutics, Inc. (MRSN) · filed Jul 2, 2021

Accession no.
0001104659-21-088914
Filed
Jul 2, 2021
Trade date
Jul 1, 2021
Filing delay
1 day
Rule 10b5-1 plan
Not on the form (before 2023)

This filing lists 3 non-derivative transactions and 2 derivative transactions. Open-market sales total $25.6K. It was filed 1 day after the trade.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Lowinger Timothy BCIK 0001709775Officer (CS & Technology Officer)

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Jul 1, 2021Common StockMOption exerciseAcquired+1,877$3.51+$6,588.2733,321Direct
Jul 1, 2021Common StockMOption exerciseAcquired+9$6.16+$55.4433,330Direct
Jul 1, 2021Common StockSSaleDisposed−1,886$13.60−$25,649.631,444Direct

Derivative securities (Table II)

Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.

Derivative transactions
Trade dateSecurityTransactionUnderlying sharesUnit priceValueHeld afterOwnershipFlags
Jul 1, 2021Common StockMOption exerciseDisposed−1,877$0.00$010,303Direct
Jul 1, 2021Common StockMOption exerciseDisposed−9$0.00$081,638Direct

Footnotes and remarks

Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.

No transaction price on this filing refers to a footnote.

Read the full filing on SEC EDGAR (opens in a new tab)