Stocks · Health care · Pharmaceutical Preparations

NewAmsterdam Pharma Co N.V.

NAMS Clue Score25
Netherlands Fiscal year ends December CIK 0001936258 Results filed 5 Aug 2026

What the insiders did No buying or selling

By person

17 insiders · 0 transactions
Insider
Role
Bought
Sold
Net
Holding
Worth
Change
NAP B.V. ForGrowth
10% owner
—
—
—
10,656,172
$266.72M
−9.9%
James N Topper
Director
—
—
—
3,028,524
$75.80M
+0.7%
Michael H. Davidson
Chief Executive Officer
—
—
—
1,078,638
$27.00M
+31.8%
Johannes Jacob Pieter Kastelein
Chief Scientific Officer
—
—
—
192,104
$4.81M
+177.2%
Mayur Ian Somaiya
Chief Financial Officer
—
—
—
58,382
$1.46M
—
Michael F Marino III
See Remarks
—
—
—
55,000
$1.38M
—
Douglas F Kling
Chief Operating Officer
—
—
—
44,000
$1.10M
—
William A Jones Jr
Chief Commercial Officer
—
—
—
43,000
$1.08M
—
Louise Frederika Kooij
Chief Accounting Officer
—
—
—
24,353
$609.56K
—
Juliette Berangere Audet
See Remarks
—
—
—
15,104
$378.05K
+1,268%
Adele M. Gulfo
Director
—
—
—
14,260
$356.93K
—
William Lewis
Director
—
—
—
10,360
$259.31K
—
Mark C. McKenna
Director
—
—
—
10,360
$259.31K
—
Louis G Lange
Director
—
—
—
10,360
$259.31K
−58.4%
der Kamp Hilde Johanna van
Director
—
—
—
10,360
$259.31K
—
John W Smither
Director
—
—
—
8,760
$219.26K
—
Robert William Gunning
Vice President, Controller
—
—
—
3,200
$80.10K
—

No percentages here. These insiders hold more than one class of share between them, and the share count on file covers one of them rather than all. Dividing the two would compare different things.