NAMSNewAmsterdam Pharma Co N.V.
Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-09-09.
Insider buys (90d)
$0.00
Insider sells (90d)
$7.80M
Net flow
$-7.80M
Filings
5
Buy transactions
0
Sell transactions
7
Distinct insiders
4
Last close (cached)
$22.80
as of 2026-09-11
1d return
+4.3%
5d return
-11.8%
1m return
-18.1%
Top insiders trading NAMS (90d)
Recent transactions (13)
| Filed | Txn date | Insider | Code | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-09 | 2026-09-04 | Smither John W | Sale | 1,600 | $25.32 | $40.5K | open → |
| 2026-09-03 | 2026-09-01 | Gunning Robert William | Grant | 3,200 | $0.00 | $0.00 | open → |
| 2026-08-25 | 2026-08-24 | Kastelein Johannes Jacob Pieter | Sale | 125,000 | $26.91 | $3.36M | open → |
| 2026-08-25 | 2026-08-24 | Kastelein Johannes Jacob Pieter | Exer. | 125,000 | $0.00 | $0.00 | open → |
| 2026-07-22 | 2026-07-20 | Kooij Louise Frederika | Sale | 2,915 | $31.71 | $92.4K | open → |
| 2026-07-22 | 2026-07-20 | Kooij Louise Frederika | Sale | 31,885 | $31.05 | $990.0K | open → |
| 2026-07-22 | 2026-07-20 | Kooij Louise Frederika | Sale | 70,200 | $29.96 | $2.10M | open → |
| 2026-07-22 | 2026-07-20 | Kooij Louise Frederika | Exer. | 80,000 | $11.17 | $893.6K | open → |
| 2026-07-22 | 2026-07-20 | Kooij Louise Frederika | Exer. | 25,000 | $11.90 | $297.5K | open → |
| 2026-06-24 | 2026-06-22 | Kooij Louise Frederika | Sale | 300 | $30.73 | $9.2K | open → |
| 2026-06-24 | 2026-06-22 | Kooij Louise Frederika | Sale | 39,700 | $30.20 | $1.20M | open → |
| 2026-06-24 | 2026-06-22 | Kooij Louise Frederika | Exer. | 15,000 | $11.90 | $178.5K | open → |
| 2026-06-24 | 2026-06-22 | Kooij Louise Frederika | Exer. | 25,000 | $10.90 | $272.5K | open → |
Other tickers these insiders trade
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