Form4insider filings, from the source

Company · CIK 0001936258 · SIC 2834 — Pharmaceutical Preparations · Nasdaq

NewAmsterdam Pharma Co N.V. · NAMS

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $227k · 1sales $41k · 1net $186k
$10k$10k$100k$100k$1M$1MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 18Sep 23Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 14, 2026 PForm 4 →Sep 15, 4:30 pm EDTMichael H. DavidsonChief Executive Officer, Director10,000$22.65$226,500792,923+1.28%
Sep 4, 2026 SForm 4 →Sep 9, 4:30 pm EDTJohn W SmitherDirector1,600$25.32$40,5128,760−15.4%
Sep 1, 2026 AForm 4 →Sep 3, 4:30 pm EDTRobert William GunningVice President, Controller3,200——3,200—

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 1, 2026 AForm 4 →Sep 3, 4:30 pm EDTRobert William GunningVice President, Controller14,000——14,000—