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Insider · CIK 0001347582

Anna Protopapas

director

Files at MRSN (Mersana Therapeutics, Inc.), NUVL (Nuvalent, Inc.). First filing -, latest -.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 0
$0 bought, $0 sold

Signals

This insider’s open-market buys and sells, scored.

No scored open-market trades yet.

Transactions

Every row this insider has filed, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Jun 18, 2025NUVL
Nuvalent, Inc.
AGrant or award
Class A Common Stock
+2,647$0.00$05,146Jun 20, 2025
Jun 18, 2025NUVL
Nuvalent, Inc.
AGrant or award
Stock Option (Right to Buy)derivative
+4,147$0.00$04,147Jun 20, 2025
Jun 12, 2025MRSN
Mersana Therapeutics, Inc.
AGrant or award
Stock Option (right to buy)derivative
+61,500$0.00$061,500Jun 13, 2025

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Anna Protopapas: insider trades and track record | InsiderTell