AlphaYouLF
Insider selling
Louise Frederika Kooij sold $2.3M of NewAmsterdam Pharma Co N.V. (NAMS) stock
Louise Frederika Kooij, Chief Accounting Officer of NewAmsterdam Pharma Co N.V. (NAMS), sold 65,000 shares of NAMS stock worth $2.3M, per an SEC Form 4 filed May 27, 2026.
The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.
The trade happened on May 26, 2026, 1 day before it was made public.
NAMS has moved -40.3% since the trade date, from $36.11 to $21.57 (Oct 9, 2026 close).
- Traded
- May 26, 2026
- Disclosed
- May 27, 2026
- Filing delay
- 1 day
- Price since
- -40.3%
- Role
- Chief Accounting Officer
- Source
- SEC Form 4
More NAMS insider and Congress trades
- SellNAMS · Johannes Jacob Pieter Kastelein$1.3MOct 2, 2026
- BuyNAMS · Michael H. Davidson$227KSep 15, 2026
- SellNAMS · John W Smither$41KSep 9, 2026
- SellNAMS · Johannes Jacob Pieter Kastelein$3.4MAug 25, 2026
- SellNAMS · Louise Frederika Kooij$3.2MJul 22, 2026
- SellNAMS · Louise Frederika Kooij$1.2MJun 24, 2026
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.