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Kastelein Johannes Jacob Pieter
Chief Scientific Officer at NewAmsterdam Pharma Co N.V. Filing since 26 Mar 2024.
CIK 0002000389
Company
Date
Role
Action
Shares
Amount
Of holding
NAMS
NewAmsterdam Pharma Co N.V.
30 Sep 2026
Chief Scientific Officer
Sold on a plan
50,246
$1.26M
42.0%
NAMS
NewAmsterdam Pharma Co N.V.
24 Aug 2026
Chief Scientific Officer
Sold on a plan
125,000
$3.36M
64.3%
NAMS
NewAmsterdam Pharma Co N.V.
9 Mar 2026
Chief Scientific Officer
Sold on a plan
101,409
$3.07M
59.4%
NAMS
NewAmsterdam Pharma Co N.V.
6 Mar 2026
Chief Scientific Officer
Sold on a plan
94,124
$2.85M
57.6%
NAMS
NewAmsterdam Pharma Co N.V.
5 Mar 2026
Chief Scientific Officer
Sold on a plan
104,467
$3.17M
60.1%
NAMS
NewAmsterdam Pharma Co N.V.
20 Feb 2026
Chief Scientific Officer
Sold at will
45,481
$1.61M
45.9%
NAMS
NewAmsterdam Pharma Co N.V.
5 Jan 2026
Chief Scientific Officer
Sold on a plan
6,000
$199.50K
7.5%
NAMS
NewAmsterdam Pharma Co N.V.
22 Aug 2025
Chief Scientific Officer
Sold at will
50,000
$1.26M
41.9%
NAMS
NewAmsterdam Pharma Co N.V.
21 Aug 2025
Chief Scientific Officer
Sold at will
50,000
$1.21M
29.5%
NAMS
NewAmsterdam Pharma Co N.V.
26 Mar 2024
Chief Scientific Officer
Sold at will
190,476
$4.10M
100%
10 decisions on file.
