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Insider · CIK 0001657434

Andrew A. F. Hack

director

Files at MRSN (Mersana Therapeutics, Inc.), NUVL (Nuvalent, Inc.). First filing Dec 13, 2024, latest Dec 13, 2024.

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 / 1
$0 bought, $110M sold

Signals

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

ScoreCompanyValueHoldingsPrice contextFiled
65Notable
NUVLsell 4
Nuvalent, Inc.
$110M
1,250,000 shares
-46%-

Transactions

Every row this insider has filed, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Jun 12, 2025MRSN
Mersana Therapeutics, Inc.
AGrant or award
Stock Option (right to buy)derivative
+61,500$0.00$061,500Jun 13, 2025
Dec 11, 2024NUVL
Nuvalent, Inc.
SOpen-market sale
Class A Common Stockindirect: See footnotes
-1,250,000$88.00$110M1,447,267Dec 13, 2024

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.

Andrew A. F. Hack: insider trades and track record | InsiderTell