NAMSNewAmsterdam Pharma Co N.V.

Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-10-02.

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Insider buys (90d)
$226.5K
Insider sells (90d)
$4.66M
Net flow
$-4.44M
Filings
5
Buy transactions
1
Sell transactions
3
Distinct insiders
4
Last close (cached)
$20.06
as of 2026-10-30
1d return
-3.4%
5d return
+1.8%
1m return
-17.0%

Top insiders trading NAMS (90d)

Recent transactions (7)

FiledTxn dateInsiderCodeSharesPriceValueFiling
2026-10-022026-09-30Kastelein Johannes Jacob Pieter
Sale50,246$25.03$1.26Mopen →
2026-10-022026-09-30Kastelein Johannes Jacob Pieter
Exer.50,246$0.00$0.00open →
2026-09-152026-09-14Davidson Michael H.
Buy10,000$22.65$226.5Kopen →
2026-09-092026-09-04Smither John W
Sale1,600$25.32$40.5Kopen →
2026-09-032026-09-01Gunning Robert William
Grant3,200$0.00$0.00open →
2026-08-252026-08-24Kastelein Johannes Jacob Pieter
Sale125,000$26.91$3.36Mopen →
2026-08-252026-08-24Kastelein Johannes Jacob Pieter
Exer.125,000$0.00$0.00open →

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NAMS Insider Trading & Form 4 Activity · Watch4Insider