Skip to content

Louise Frederika Kooij, Chief Accounting Officer at NewAmsterdam Pharma, sold NAMS on Jul 20, 2026

Data as of Oct 16

▼ SELL$92.4K2,915 shares at $31.71Louise Frederika Kooij Chief Accounting OfficerNAMS NewAmsterdam Pharma Co N.V.
Watch NAMS
Traded
Jul 20, 2026
Disclosed
Jul 22, 2026
Filed
2 days after the trade

Form 4s are due within two business days.

Official filing (SEC Form 4) ↗

The price around the disclosure

Louise Frederika Kooij, Chief Accounting Officer at NewAmsterdam Pharma, sold NAMS on Jul 20, 2026TRADEDDISCLOSED
NAMSSimilar stocks (XLV — its sector index fund), rebased to NAMS's price on the disclosure day
NAMS since disclosure
−37.4%
after the sale
Similar stocks (XLV) since disclosure
+10.8%
XLV — its sector index fund

Change in closing price from Jul 22, 2026 (the first trading day on or after disclosure) to Oct 16, 2026. Dividends excluded. Not a return anyone earned.

Our take

None of our tested rules fired on this trade.

Other trades in the same filing

  1. ▼ SELLLouise Frederika Kooij Chief Accounting OfficerNAMS NewAmsterdam Pharma Co N.V.$2.1Mdisclosed Jul 22 · filed 2 days after the trade
  2. ▼ SELLLouise Frederika Kooij Chief Accounting OfficerNAMS NewAmsterdam Pharma Co N.V.$990Kdisclosed Jul 22 · filed 2 days after the trade

See every trade on NAMS →