NewAmsterdam Pharma Co N.V.

Ownership Transactions Reported by 20 Insiders

Symbol
NAMS, NAMSW on Nasdaq
Location
Gooimeer 2 35, Narrden, Netherlands

Insiders trading volume in the past year

NewAmsterdam Pharma Co N.V. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
ForGrowth NAP B.V. 10%+ Owner $272M -$30M -9.94% Dec 30, 2024
Bain Capital Life Sciences Investors, LLC 10%+ Owner $239M +$40M +20.1% Dec 13, 2024
James N. Topper Director $164M +$405K +0.25% Sep 15, 2025
Michael H. Davidson Chief Executive Officer, Director $9.76M Mar 26, 2025
Johannes Jacob Pieter Kastelein Chief Scientific Officer, Director $1.77M -$2.47M -58.3% Aug 21, 2025
William Jones Chief Commercial Officer $1.1M Jan 7, 2025
Michael F. Marino III Chief Legal Officer and Corporate Secretary $1.04M Jun 1, 2025
Douglas F. Kling Chief Operating Officer $928K -$4.03M -81.3% Jul 15, 2025
Louis G. Lange Director $533K Jun 1, 2025
Juliette Berangere Audet Chief Strategy and Business Officer $386K May 1, 2025
Louise Kooij Chief Accounting Officer $376K -$7.59M -95.3% Sep 9, 2025
Mayur Ian Somaiya Chief Financial Officer $352K Jan 27, 2025
Adele M. Gulfo Director $244K Apr 15, 2025
John W. Smither Director $178K Jan 6, 2025
Mark C. McKenna Director $178K Jan 6, 2025
William Lewis Director $178K Jan 6, 2025
Hilde Johanna van der Kamp Director $178K Jan 6, 2025
Hugo Alexander Slootweg Director Dec 29, 2023
Wouter Joustra Director Jul 16, 2024
Nicholas Downing Director Dec 29, 2023

Recent Insider Transactions by Companies or Individuals for NewAmsterdam Pharma Co N.V.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.